Gallery of Iowa Bridges


"Flying" Bridge
Chickasaw County

100th Street Bridge
Hardin County

10th Avenue Bridge
Benton County

10th Avenue Lincoln Highway Bridge
Linn County

110th Avenue Overpass
Clarke County

110th St. Willow Creek Bridge
Iowa County

110th Street Bridge
Kossuth County

110th Street Bridge
Humboldt County

110th Street Bridge
Iowa County

110th Street Bridge
Dickinson County

118th Street Bridge
Iowa County

120th Street Bridge
Muscatine County

120th Street Bridge
Van Buren County

128th Avenue Bridge
Winneshiek County

130th Street Bridge
Clay County

130th Street Bridge
Washington County

130th Street Bridge
Buchanan County

137th Trail Overpass
Lucas County

13th Avenue Bridge
Benton County

13th Street Overpass
Scott County

13th Street South Skunk River Bridge
Story County

140th Avenue Bedstead Bridge
Clay County

140th Street Bridge
Iowa County

140th Street Honey Creek Bridge
Iowa County

145th Avenue Bridge
Kossuth County

14th Avenue Bridge
Benton County

150th Street Bridge
Story County

150th Street Bridge
Cedar County

150th Street Culvert
Muscatine County

155th Street Bridge
Cedar County

15th Avenue Bridge
Benton County

15th Street Viaduct
Webster County

160th Street Bridge
Iowa County

160th Street timber bridge
Kossuth County

165th Street Bridge
Humboldt County

16th Avenue Bridge (Old)
Linn County

16th Avenue Bridge (Oldest)
Linn County

16th Street Bridge
Story County

16th Street bridge
Page County

170th Street Bridge
Story County

170th Street Culvert
Muscatine County

180th Avenue Bridge
Winneshiek County

180th Avenue Bridge
Keokuk County

180th Street Bridge
Clinton County

180th Street Bridge
Dickinson County

180th Street Bridge
Carroll County

180th Street Bridge
Story County

181st Street Culvert
Muscatine County

18th Avenue Bridge
Benton County

18th Street Bridge
Black Hawk County

18th Street Bridge
Polk County

18th Street Culvert
Linn County

19th Street Bridge
Benton County

1st Avenue Bridge
Linn County

1st Avenue Bridge
Dubuque County

1st Avenue Bridge (Old)
Linn County

1st Street Bridge
Floyd County

200th Avenue Bridge
Clay County

200th Avenue Overpass
Lucas County

200th Street Bridge
Howard County

20th Street Overpass
Poweshiek County

210th Street Bridge
Cedar County

210th Street Bridge
Boone County

218th Street Bridge
Delaware County

220th Avenue Bridge
Kossuth County

220th Street Bridge
Guthrie County

220th Street Bridge
Adams County

220th Street Bridge
Marshall County

22nd Avenue Bridge
Benton County

22nd Avenue Bridge
Benton County

230th Street Bridge
Marshall County

230th Street Linn Creek Tributary Bridge
Marshall County

240th Street Bridge
Humboldt County

245th Street Bridge
Fayette County

25th Avenue Bridge
Jones County

25th street Upper Iowa River Bridge
Howard County

260th street bridge
Humboldt County

260th Street bridge over drainage ditch
Humboldt County

265th Street Bridge
Butler County

270th Street Bridge
Cedar County

270th Street Bridge
Iowa County

270th Street Bridge #2
Cedar County

280th Street Bridge
Butler County

280th Street Bridge
Buchanan County

280th Street Bridge
Story County

285th Avenue Overpass
Appanoose County

288th Avenue Overpass
Clarke County

28th Street Bridge
Wapello County

290th Street Bridge
Clay County

295th Street Bridge
Cerro Gordo County

2nd Avenue Bridge
Polk County

2nd Avenue Bridge
Linn County

2nd Avenue Bridge
Lyon County

2nd Avenue Overpass
Polk County

2nd Street Bridge
Buchanan County

2nd Street Bridge (Old)
Muscatine County

2nd Street Bridge (Older)
Muscatine County

3 Rivers Trail - 1st Avenue Overpass
Humboldt County

3 Rivers Trail - East Fork Des Moines River Bridge
Humboldt County

3 Rivers Trail - Gotch Park Bridge
Humboldt County

3 Rivers Trail - IA-3 Overpass
Humboldt County

3 Rivers Trail - Keystone Bridge
Pocahontas County

3 Rivers Trail Overpass
Humboldt County

300th Street Bridge
Butler County

300th Street Bridge
Delaware County

305th Street Drainage Bridge
Buchanan County

305th Street Drainage Bridge #2
Buchanan County

305th Street Lime Creek Bridge
Buchanan County

320th Street Bridge
Cedar County

320th Street Bridge
Story County

320th Street Bridge
Clay County

320th Street Bridge
Cedar County

325th Street Bridge
Harrison County

325th Street Bridge
Story County

325th Street Bridge
Delaware County

32nd Street SE Bridge
Polk County

32nd Street Viaduct
Dubuque County

330th Street Bridge
Clay County

330th Street Bridge
Cedar County

340th Street Bridge
Clay County

340th Street Creek Bridge
Polk County

340th Street Drainage Bridge
Polk County

347th Street Bridge on Bulger Creek
Dallas County

347th Street Overpass
Dallas County

34th Street Overpass
Polk County

35th Street Overpass
Lee County

360th Street Bridge
Winneshiek County

370th Street Bridge
Clay County

370th Street Bridge
Mills County

370th Street Bridge (Older)
Calhoun County

380th Street Salt Creek Bridge
Tama County

3rd Avenue Bridge
Linn County

3rd Avenue Bridge (Original)
Linn County

3rd Avenue Iowa River Bridge
Marshall County

3rd Avenue Linn Creek Bridge (Older)
Marshall County

3rd Avenue Rainbow Arch Bridge
Marshall County

3rd Street Bridge
Osceola County

3rd Street Bridge
Bremer County

410th Street Bridge
Sioux County

430th Street Bridge
Clay County

465th Street Bridge
Pocahontas County

485th Avenue Bridge
Palo Alto County

485th Street Bridge
Clay County

4th Avenue Bridge
Dallas County

4th Street Arch Bridge
Black Hawk County

4th Street Bridge
Emmet County

4th Street Bridge
Benton County

4th Street Bridge (Oldest)
Black Hawk County

4th Street Footbridge
Muscatine County

4th Street Salt Creek Bridge
Tama County

4th Ward Culvert
Story County

500th Street Bridge
Johnson County

540th Street Overpass
Appanoose County

55th Avenue Bridge
Warren County

57th Street Trail Bridge
Benton County

5th Avenue Overpass
Union County

5th Street Arch Bridge
Black Hawk County

5th Street Bridge
Linn County

5th Street Bridge (Older)
Muscatine County

6th Avenue Bridge
Linn County

6th Avenue Bridge
Polk County

6th Avenue Bridge
Cerro Gordo County

6th Avenue Bridge (Old)
Polk County

6th Street Bridge
Story County

6th Street Culvert
Story County

6th Street West Pony Truss
Plymouth County

6th Street West Through Truss
Plymouth County

76th Avenue Bridge
Linn County

7th Avenue Bridge
Cerro Gordo County

7th Street Bridge (Old)
Lee County

86th Street Overpass
Polk County

8th Avenue Bridge
Linn County

8th Avenue Bridge (Old)
Linn County

8th Avenue SW Bridge
Buchanan County

8th Street Bridge
Benton County

9th Avenue SW Bridge
Buchanan County

9th Street Culvert
Sac County

A Avenue Overpass
Montgomery County

A Avenue Viaduct
Linn County

Abandoned C&NW - 13th Street Overpass
Cerro Gordo County

Abandoned C&NW - Elm Drive Overpass
Cerro Gordo County

Abandoned C&NW - Willow Creek Bridge
Cerro Gordo County

Abandoned C&NW - Winnebago River Bridge
Cerro Gordo County

Abandoned CBQ - Branch Red Oak Creek Arch Bridge
Montgomery County

Abandoned CNW - Indian Creek Bridge
Pottawattamie County

Abandoned CNW - State Street Overpass
Cerro Gordo County

Abandoned DM&E - Short Creek Bridge
Louisa County

Abandoned IC - 7th Street S Overpass
Webster County

Abandoned Lincoln Highway West Beaver Creek Bridge
Greene County

Abandoned MILW - Prairie Creek Bridge
Linn County

Abandoned MILW - Prairie Creek Bridge #2
Linn County

Abandoned MILW- Indian Creek Bridge
Pottawattamie County

Abandoned Mud Creek Pony Truss
Polk County

Abandoned Pony Truss
Wright County

Abandoned Prairie Creek Bridge
Jackson County

Abandoned RI - Indian Creek Bridge
Pottawattamie County

Abandoned RI - Indian Creek Bridge #2
Pottawattamie County

Abandoned RI - Stone Culvert
Linn County

Abandoned RI - Stone Culvert
Linn County

Abandoned UP - Bailey Creek Bridge
Cerro Gordo County

Abandoned UP - Cheslea Creek Trestle
Cerro Gordo County

Abandoned Wabash - Indian Creek Bridge
Pottawattamie County

Adair Viaduct
Adair County

Adair Viaduct (Old)
Adair County

Adams Parkway Bridge
Bremer County

Adel Bridge
Dallas County

Adelphi RFD 1 Bridge
Polk County

Adkins Bridge
Greene County

Afton Overpass
Union County

Ak-Sar-Ben Bridge
Pottawattamie County

Akron Bridge
Plymouth County

Albany Bridge
Fayette County

Albright Bridge
Hamilton County

Alden Bridge
Hardin County

Alden Bridge (Old)
Hardin County

Amana Farms Millrace Bridge
Iowa County

Amana Road Bridge
Johnson County

Ames Creek Bridge
Clinton County

Anamosa Bridge
Jones County

Anderson Bridge
Lyon County

Anderson Canoe Access Bridge
Story County

Ankeny Luten Arch
Polk County

APNC - 243rd Avenue Overpass
Appanoose County

APNC - 645th Avenue Overpass
Monroe County

APNC - Chariton River Bridge
Appanoose County

APNC - IA2 Overpass
Appanoose County

APNC - Moulton Junction Bridge
Appanoose County

APNC - North 8th Street Overpass
Monroe County

APNC/BNSF Overpass
Monroe County

Apple Creek Bridge
Linn County

Armstrong Gravel Pit Bridge
Emmet County

Army Post Road Bridge
Polk County

Arsenal Bridge
Scott County

Arsenal Bridge Temporary Lifting Span
Scott County

Ash Street Overpass
Des Moines County

Asher Creek Bridge
Marshall County

Atherton Trail Culvert
Johnson County

ATSF - Des Moines River Bridge (N, Old)
Lee County

Avon RFD 1 Overpass
Polk County

B Avenue Overpass
Tama County

B&C - Lytle Creek Bridge
Dubuque County

B&C - Otter Creek Bridge
Dubuque County

B&SV - Bass Point High Bridge
Boone County

B&SV - Des Moines River Bridge
Boone County

Backbone Bridge
Madison County

Backbone Park Bridge
Delaware County

Backbone State Park Maquoketa River Bridge
Delaware County

Backbone State Park Pedestrian Bridges
Delaware County

Backbone Street Arch Bridge
Delaware County

Backbone Street Bridge
Delaware County

Badger Creek Bridge
Madison County

Badger Creek Bridge
Madison County

Baldwin Creek Bridge
Cedar County

Ballard Creek Bridge
Story County

Ballards' Bridge
Iowa County

Bank Street Bridge
Hamilton County

Bass Point Creek Bridge
Boone County

Baughmans Creek Bridge
Cass County

Bear Creek Bridge
Wapello County

Bear Creek Bridge
Poweshiek County

Bear Creek Bridge
Buchanan County

Bear Creek Bridge
Poweshiek County

Bear Creek Bridge
Van Buren County

Bear Creek Bridge
Story County

Bear Creek Bridge
Jasper County

Bear Creek Bridge
Wapello County

Beaver Channel Parkway Bridge
Clinton County

Beaver Creek Bridge
Polk County

Beaver Creek Bridge
Crawford County

Beaver Creek Bridge
Dallas County

Beaver Creek Bridge
Humboldt County

Beaver Creek Bridge
Butler County

Beaver Creek Bridge
Pocahontas County

Beaver Creek Bridge
Dallas County

Beaver Creek Bridge
Butler County

Beaver Creek Bridge
Dallas County

Beaver Creek Bridge
Boone County

Beaver Creek Bridge (Old)
Polk County

Beaver Creek Bridge (Older)
Polk County

Bell Creek Bridge
Fayette County

Bell's Mill Bridge
Hamilton County

Bellefountain Bridge
Mahaska County

Belleville Bridge
Hamilton County

Bellevue Bridge
Mills County

Bennett Viaduct
Webster County

Bennington Bridge
Marion County

Benton Street Bridge (Old)
Johnson County

Benton Street Bridge (Older)
Johnson County

Benton-Iowa Road Overpass
Benton County

Bentonsport Bridge
Van Buren County

Bergfeld Pond Bridge
Dubuque County

Berkheimer Bridge
Humboldt County

Bertram Road Bridge
Linn County

Berwick Drive Overpass
Polk County

Bever Park Arch Bridge
Linn County

Bevington Bridge
Madison County

BHFO Warehouse Bridge
Linn County

Big Bear Creek Bridge
Iowa County

Big Bear Creek Bridge
Iowa County

Big Creek Bridge
Boone County

Big Creek Road Bridge
Linn County

Big Indian Creek Bridge
Van Buren County

Bigler Creek Bridge
Benton County

Birdland Park Drive Bridge
Polk County

Black Bridge
Tama County

Black Hawk Bridge
Allamakee County

Black Hawk Creek Bridge
Grundy County

Black Hawk Creek Bridge
Black Hawk County

Blackford Bridge
Kossuth County

Blackhawk Bridge (East Channel)
Wapello County

Blackhawk Bridge (West Channel)
Wapello County

Blaine's Crossing
Linn County

Blair Bridge
Harrison County

Blockton Bridge
Taylor County

Blood Run Bridge
Humboldt County

Blood Run Creek Bridge
Lyon County

Blood Run Creek Bridge
Lyon County

Bloomington Road (Lincoln Highway) Bridge
Linn County

BM&NW - Iowa River Bridge
Louisa County

BN - Sioux City High Bridge
Woodbury County

BNSF - 288th Avenue Overpass
Clarke County

BNSF - 320th Street Overpass
Carroll County

BNSF - 8th Street Overpass
Montgomery County

BNSF - Big Sioux River Bridge
Woodbury County

BNSF - Bridge #399.22
Adams County

BNSF - Bridge #441.93
Montgomery County

BNSF - Bridge #442.12
Montgomery County

BNSF - Brush Creek Bridge
Des Moines County

BNSF - Brush Creek Bridge
Clarke County

BNSF - Burlington Bridge
Des Moines County

BNSF - Burlington Bridge (New)
Des Moines County

BNSF - Bush Creek West Crossing
Lucas County

BNSF - Butcher Creek Bridge #2
Marion County

BNSF - Coal Creek Bridge (S)
Monroe County

BNSF - Crow Creek Bridge
Jefferson County

BNSF - Des Moines River Bridge
Polk County

BNSF - Des Moines River Bridge (N)
Lee County

BNSF - Des Moines River Bridge (S)
Lee County

BNSF - Drainage Bridge
Polk County

BNSF - Fillmore Street Overpass
Clarke County

BNSF - Floyd River Bridge (N)
Woodbury County

BNSF - Floyd River Bridge (S)
Woodbury County

BNSF - Fork Creek Bridge
Lee County

BNSF - Four Mile Bridge (New)
Wapello County

BNSF - Grand River Bridge
Union County

BNSF - I35 Overpass (Osceola)
Clarke County

BNSF - IA-14 Overpass
Lucas County

BNSF - IA1 Overpass
Jefferson County

BNSF - IA25 Overpass
Guthrie County

BNSF - IA25 Overpass
Union County

BNSF - IA5 Overpass
Monroe County

BNSF - Indian Creek Bridge
Mills County

BNSF - Kansas Street Overpass
Clarke County

BNSF - Lincoln Street Overpass
Clarke County

BNSF - Manning Viaduct
Carroll County

BNSF - May Street Overpass
Carroll County

BNSF - Mosquito Creek Bridge #10
Pottawattamie County

BNSF - Mosquito Creek Bridge #4
Pottawattamie County

BNSF - Mosquito Creek Bridge #5
Pottawattamie County

BNSF - Mosquito Creek Bridge #6
Pottawattamie County

BNSF - Mosquito Creek Bridge #7
Pottawattamie County

BNSF - Mud Creek Bridge
Polk County

BNSF - N 3rd Street Overpass
Henry County

BNSF - N avenue Bridge
Montgomery County

BNSF - Nutmeg Avenue Bridge
Jefferson County

BNSF - Penitentiary Creek Bridge
Lee County

BNSF - Platte River Bridge
Union County

BNSF - Plattsmouth Rail Bridge (New)
Mills County

BNSF - Robin Avenue Overpass
Carroll County

BNSF - Seven Mile Creek Viaduct
Clarke County

BNSF - Sioux City Bridge
Woodbury County

BNSF - Skunk River Bridge
Des Moines County

BNSF - Skunk River Bridge
Henry County

BNSF - Sugar Creek Bridge
Lee County

BNSF - Tarkio River Bridge
Montgomery County

BNSF - Timber Avenue Overpass
Carroll County

BNSF - Tulip Avenue Bridge
Adams County

BNSF - Twelvemile Creek Bridge
Union County

BNSF - US-34 Overpass
Lucas County

BNSF - Vetch Boulevard Overpass
Jefferson County

BNSF - Waubonsie Creek Bridge
Fremont County

BNSF - West Branch Floyd River Bridge
Sioux County

BNSF - White Breast Creek Bridge
Marion County

BNSF/UP Overpass
Lucas County

BNSF/Wabash Trace Overpass
Mills County

Bob Kerrey Pedestrian Bridge
Pottawattamie County

Bobtown Bridge
Webster County

Bolson Bridge
Winneshiek County

Bonaparte Bridge
Van Buren County

Bonnie Doon Crossing
Lyon County

Boone Bridge
Boone County

Boone River Bridge
Wright County

Bormann Bridge
Humboldt County

Bos Landen Golf Course Bridge
Marion County

Boyer River Bridge
Sac County

Boyleston Bridge
Henry County

Bradford Street Bridge
Floyd County

Branch Clear Creek Bridge
Cedar County

Branch Des Moines River Bridge
Van Buren County

Branch Des Moines River Bridge
Van Buren County

Branch Des Moines River Bridge
Van Buren County

Branch Des Moines River Bridge
Van Buren County

Branch Fabius Creek Bridge
Davis County

Branch Fabius Creek Bridge
Davis County

Branch Middle Fork English River Bridge
Iowa County

Branch Mud Creek Bridge
Benton County

Branch North Timber Creek Bridge
Marshall County

Branch of Old Man Creek Bridge
Johnson County

Branch Old Man's Creek Bridge
Iowa County

Branch Patterson Creek Bridge
Allamakee County

Branch Raccoon River Bridge
Buena Vista County

Branch South Otter Creek Bridge
Lucas County

Branch Whitebreast Creek Bridge
Lucas County

Branch Wolf Creek M Avenue Bridge
Tama County

Branch Yellow River Bridge
Allamakee County

Brandon Diagonal Boulevard Bridge
Buchanan County

Brantingham Street Bridge
Floyd County

Bremer Avenue Bridge (Old)
Bremer County

Bridge Near Mitchellville
Polk County

Bridgeport Bridge
Des Moines County

Briggs Bridge
Hamilton County

Brighton Bridge
Washington County

Brighton Bridge (Old)
Washington County

Broadhorn Creek Bridge
Warren County

Broadway Line - Indian Creek Bridge
Pottawattamie County

Broadway Street Bridge (Old)
Linn County

Brooke Creek Bridge
Buena Vista County

Brookside Park Suspension Bridge
Story County

Brown Bridge
Cerro Gordo County

Browns Bridge
Palo Alto County

Browns Bridge
Clinton County

Brummett Bridge
Page County

Brummett Bridge (Old)
Page County

Brush Creek Bridge
Marshall County

Brush Creek Bridge
Lucas County

Brush Creek Bridge
Wapello County

Brush Creek Bridge
Marshall County

Brush Creek Bridge
Marshall County

Brush Creek Tributary Bridge
Lucas County

Brushy Creek Bridge
Guthrie County

Brushy Creek Bridge
Carroll County

Brushy Creek Bridge
Guthrie County

Brushy Creek Bridge
Guthrie County

Brushy Fork Creek Bridge
Carroll County

Buck Creek Bridge
Audubon County

Buck Creek Bridge
Crawford County

Buffalo Creek Bridge
Jones County

Buffalo Creek Marsh Arch Bridge
Kossuth County

Buffalo Road Bridge
Linn County

Bulger Creek Bridge
Dallas County

Bunker Mill Bridge
Washington County

Burlingham Road Bridge
Linn County

Burlington Street Bridge
Johnson County

Burr Oak Bridge
Clay County

Butler Bridge (Old)
Johnson County

Butler's Landing Bridge
Johnson County

Byron Railroad Bridge
Union County

C Avenue Beaver Creek Bridge
Boone County

C Avenue Beaver Creek Tributary Bridge
Boone County

C&NW - US18 Overpass
Cerro Gordo County

Calhoun Creek Arch
Story County

Calhoun Creek Bridge
Marion County

Cambridge Arch Bridge
Story County

Cambridge Bridge
Story County

Camp Creek Bridge
Polk County

Camp Creek Bridge
Polk County

Camp Dodge Culvert
Polk County

Camp Dodge Road Bridge (Old)
Polk County

Canal Street Bridge
Harrison County

Canneff Bridge
Cerro Gordo County

Canoe Creek Bridge
Winneshiek County

Canyon Road Bridge
Boone County

Capitol Hill Tunnel
Polk County

Carters Creek Bridge
Davis County

Cascade Bridge
Des Moines County

Cass Street Bridge
Clayton County

Cass Street Bridge (Old)
Clayton County

Cassville Ferry
Clayton County

CB&Q - Big Creek Covered Bridge
Henry County

CB&Q - Chestnut Street Overpass
Henry County

CB&Q - Des Moines River Bridge
Van Buren County

CB&Q - Des Moines River Bridge (Iowa Power & Light Co.)
Polk County

CB&Q - Fox River Bridge
Van Buren County

CB&Q - Grand River Bridge
Decatur County

CB&Q - Little Tarkio Creek Bridge
Montgomery County

CB&Q/M&StL - Elm Street Railroad Bridge
Polk County

CBQ - Skunk River Bridge (Old)
Des Moines County

CBQ/CGW Overpass
Union County

CD&M - Camanche Flyover
Clinton County

CD&M - Mad Creek Bridge #1 (Old)
Muscatine County

CD&M - Mad Creek Bridge #4
Muscatine County

CD&M - Pine Creek Bridge
Muscatine County

Cedar Bluff Bridge
Cedar County

Cedar Covered Bridge (1883)
Madison County

Cedar Covered Bridge (2004)
Madison County

Cedar Creek Bridge
Wapello County

Cedar Memorial Arch Bridge #1
Linn County

Cedar Memorial Arch Bridge #2
Linn County

Cedar Rapids Country Club Bridge
Linn County

Cedar Rapids Country Club Suspension Bridge
Linn County

Cedar River Bridge
Floyd County

Cedar River Trail - Ely Road Overpass
Linn County

Cedar River Trail - Prairie Creek Bridge
Linn County

Cedar River Trail - Stone Culvert
Linn County

Cedar River Trail Foot Bridge
Linn County

Cedar Valley Nature Trail - Apple Creek Bridge
Linn County

Cedar Valley Nature Trail - East Branch Blue Creek Bridge
Linn County

Cedar Valley Nature Trail - East Otter Creek Bridge
Linn County

Cedar Valley Nature Trail - Evansdale Bridge
Black Hawk County

Cedar Valley Nature Trail - Fishel Road Overpass
Linn County

Cedar Valley Nature Trail - Lime Creek Bridge
Buchanan County

Cedar Valley Nature Trail - McFarlane Bridge
Black Hawk County

Cedar Valley Nature Trail - Troll Bridge
Linn County

Cedar Valley Nature Trail - West Otter Creek Bridge
Linn County

Cedar Valley Nature Trail - Wolf Creek Bridge
Black Hawk County

Cemetary Bridge
Story County

Centennial Bridge
Johnson County

Centennial Bridge
Scott County

Center Grove Viaduct
Dubuque County

Center Point Bridge
Linn County

Center Street Bridge
Polk County

Center Street Bridge
Marshall County

Center Street Bridge (Old)
Marshall County

Centerville Bridge (Old)
Boone County

Centerville Bridge (Older)
Boone County

Central Avenue Bridge
Linn County

CGW - Beaver Creek Bridge
Worth County

CGW - Bridge #F167
Marshall County

CGW - Bridge #F255
Polk County

CGW - Bridge #F262
Polk County

CGW - Bridge #F281
Polk County

CGW - Bridge #F383
Ringgold County

CGW - Cedar River Bridge (N, Old)
Bremer County

CGW - Clanton Creek Bridge (N)
Madison County

CGW - Clanton Creek Bridge (S)
Madison County

CGW - Des Moines River Bridge
Polk County

CGW - Elma Stone Culvert
Howard County

CGW - Grand River Bridge
Union County

CGW - Lincoln Highway Overpass (Old)
Carroll County

CGW - Main Street Overpass
Howard County

CGW - Mousehole
Marshall County

CGW - Osage Stone Arch
Mitchell County

CGW - Wapsipinicon River Bridge
Mitchell County

CGW - West Branch Beaverdam Creek Trestle
Cerro Gordo County

CGW - Wolf Creek Bridge
Tama County

CGW/CNW Overpass
Carroll County

Chain Lakes Bridge
Linn County

Chambers Ford Bridge
Tama County

Chariton River Bridge
Appanoose County

Charles Avenue Bridge
Cedar County

Charles City Suspension Bridge
Floyd County

Charley Western Trail - Cedar River Bridge
Floyd County

Chelsea Bridge (Older)
Tama County

Chelsea Lincoln Highway Bridge
Tama County

Chenelworth Bridge
Jackson County

Cherry Street Bridge
Butler County

Chestnut Ford Bridge
Dallas County

Chichaqua Bottoms Wagon Bridge
Polk County

Chichaqua Valley Trail - Drainage Ditch #38 Bridge
Polk County

Chichaqua Valley Trail - Fourmile Creek Bridge
Polk County

Chichaqua Valley Trail - Indian Creek Bridge
Jasper County

Chichaqua Valley Trail - Ira Stone Arch
Jasper County

Chichaqua Valley Trail - Santiago Creek Bridge
Polk County

Chichaqua Valley Trail - South Skunk River Bridge
Polk County

Chichaqua Valley Trail - Valaria Cattle Pass
Jasper County

Chichaqua Valley Trail - Valaria Stone Arch (N)
Jasper County

Chichaqua Valley Trail - Valaria Stone Arch (S)
Jasper County

Chicken Creek Bridge
Muscatine County

Chillicothe Bridge
Wapello County

Chimney Rock Bridge
Winneshiek County

Chippewa Creek Bridge
Wapello County

City Park Bridge
Johnson County

City Park Bridge
Taylor County

City Park Culvert
Johnson County

Clanton Creek Bridge
Madison County

Clanton Creek Bridge
Madison County

Clark's Bridge
Winneshiek County

Clear Creek Bridge
Allamakee County

Clear Creek Bridge
Iowa County

Clear Creek Bridge
Iowa County

Clemmons Creek Bridge
Washington County

Clive Greenbelt Trail - Walnut Creek Bridge
Polk County

Clover Hill Drive Bridge
Warren County

CN - 150th Avenue Overpass
Delaware County

CN - 300th Street Overpass
Delaware County

CN - 3rd Avenue Overpass
Dubuque County

CN - 7th Street Overpass
Webster County

CN - 8th Street Overpass
Webster County

CN - Arch Bridge
Sac County

CN - Beaver Creek Trestle (Prairie Bridges Park)
Franklin County

CN - Boone River Bridge
Hamilton County

CN - Boyer River Bridge #6
Harrison County

CN - Boyer River Bridge (Near Denison)
Crawford County

CN - Buffalo Branch Trestle
Buchanan County

CN - Buffalo Creek Bridge
Linn County

CN - Buffalo Creek Trestle
Buchanan County

CN - Catfish Creek Bridge
Dubuque County

CN - Cedar Lake Bridge
Linn County

CN - Cedar River Bridge
Chickasaw County

CN - Cedar River Bridge
Bremer County

CN - Cedar River Bridge
Black Hawk County

CN - Coffins Creek Trestle
Delaware County

CN - DeSoto Avenue Bridge
Pottawattamie County

CN - Drainage Bridge
Linn County

CN - Drainage Culvert
Buchanan County

CN - Drainage Ditch Bridge (N)
Harrison County

CN - Drainage Ditch Trestle
Buchanan County

CN - Dry Creek Bridge
Linn County

CN - Dry Creek Draingage Bridge
Linn County

CN - Dry Creek Trestle
Buchanan County

CN - Dubuque Bridge
Dubuque County

CN - I-680 Overpass
Pottawattamie County

CN - Independence Avenue Overpass
Black Hawk County

CN - Indian Creek Bridge (Creek Top)
Pottawattamie County

CN - Iowa Falls Rail Crossing
Hardin County

CN - Iowa River Bridge
Hardin County

CN - Lake Creek Bridge
Calhoun County

CN - Little Sioux River bridge
Cherokee County

CN - Lizard Creek Bridge
Webster County

CN - Loess Hills Trail Overpass
Harrison County

CN - Lone Pine Road Overpass
Dubuque County

CN - Loveland Rail Crossing
Pottawattamie County

CN - Low Land Bridge
Linn County

CN - Main Street Overpass (Central City)
Linn County

CN - Malone Creek Concrete Arch
Buchanan County

CN - Malone Creek Stone Arch
Buchanan County

CN - Malone Creek Trestle
Buchanan County

CN - Maquoketa River Bridge
Delaware County

CN - Maquoketa River Bridge
Dubuque County

CN - McCloud Run Bridge
Linn County

CN - McCloud Run Bridge
Linn County

CN - Oak Avenue Overpass
Hamilton County

CN - Old Boyer River Bridge
Pottawattamie County

CN - Old Highway Road Overpass #1
Dubuque County

CN - Old Highway Road Overpass #2
Dubuque County

CN - Old Highway Road Overpass #3
Dubuque County

CN - Old York Road Bridge
Harrison County

CN - Perry Trail Overpass
Harrison County

CN - Pine Creek Trestle
Buchanan County

CN - Prairie Creek Trestle
Buchanan County

CN - Railroad Street Overpass
Linn County

CN - Raymond Trestle
Black Hawk County

CN - Small Stream Bridge
Linn County

CN - Small Stream Trestle
Buchanan County

CN - South Beaver Creek Bridge
Butler County

CN - South Fork Catfish Creek Bridge (Older)
Dubuque County

CN - South Fork Iowa River Bridge
Hardin County

CN - Star Brewery Drive Bridge
Dubuque County

CN - Tiny Trestle
Black Hawk County

CN - US-65 Overpass
Hardin County

CN - Wapsipinicon River Bridge
Linn County

CN - Wapsipinicon River Bridge
Buchanan County

CN - White Fox Road Overpass
Hamilton County

CNW - 500th Avenue Overpass
Boone County

CNW - Big Bear Creek Bridge
Poweshiek County

CNW - Branch Dry Run Creek Bridge
Black Hawk County

CNW - Brenton Slough Bridge #1
Dallas County

CNW - Brenton Slough Bridge #2
Dallas County

CNW - Bridge
Linn County

CNW - Clinton Bridge (West Channel)
Clinton County

CNW - Des Moines River Bridge (Stratford)
Webster County

CNW - Euclid Avenue Overpass
Polk County

CNW - Grand Avenue Overpass (S)
Story County

CNW - Honey Creek Bridge
Boone County

CNW - Iowa River Bridge (Belle Plaine)
Benton County

CNW - Lincoln Highway Overpass
Boone County

CNW - Linwood Cemetery Arch Bridge
Boone County

CNW - Little Floyd River Bridge
Sioux County

CNW - Little Sioux River Bridge (Correctionville)
Woodbury County

CNW - Maple River Bridge (Old)
Ida County

CNW - Mill Creek Stone Arch
Boone County

CNW - Moingona Bridge
Boone County

CNW - Moingona Rail Bridge (Old)
Boone County

CNW - North Raccoon River Bridge
Greene County

CNW - North Raccoon River Bridge
Buena Vista County

CNW - Raccoon River Bridge
Calhoun County

CNW - South Fork Iowa River Bridge (Gifford)
Hardin County

CNW - Stange Road Overpass
Story County

CNW - Wapsipinicon River Bridge
Clinton County

CNW - Winnebago River Bridge
Winnebago County

CNW Overpass
Boone County

Coal Bank Hill Bridge
Hardin County

Coal Bank Hill Bridge (Original)
Hardin County

Coal Creek 245th Ave Bridge
Warren County

Coal Creek 25th Place Bridge
Marion County

Coal Creek Bridge
Warren County

Coggon Dam Bridge
Linn County

Cold Water Creek Bridge
Butler County

Coldwater Creek Bridge
Cerro Gordo County

Colfax Bridge (Old)
Jasper County

Combination Bridge
Woodbury County

Commerce Bridge
Polk County

Cone Lake Bridge
Muscatine County

Congress Street Bridge
Floyd County

Coon Creek 30th Place Bridge
Marion County

Coon Creek Bridge
Iowa County

Coon Creek Bridge
Tama County

Coon Rapids Bowstring
Carroll County

Cooper's Cove Keystone Arch Bridge
Pocahontas County

Copi Avenue Bridge
Johnson County

Corbett's Mill Bridge
Jones County

Cornelia Lake Bridge
Wright County

Cornerstone Park Nature Area Footbridge
Johnson County

Correctionville Bridge
Woodbury County

Corydon Bridge
Polk County

Cottage Grove Avenue WPA Bridge
Linn County

Cottonville Bridge
Jackson County

Coulee Creek Bridge
Fayette County

County Line Bridge
Louisa County

Court Avenue Bridge
Polk County

Court Avenue Bridge (3rd)
Polk County

Crab Apple Creek Bridge
Butler County

CRandIC - Cedar River Bridge
Linn County

CRandIC - Clear Creek Bridge
Johnson County

CRandIC - Coralville Lake Bridge
Johnson County

CRandIC - Iowa Avenue Overpass
Johnson County

CRandIC - Iowa River Bridge (Cou Falls)
Johnson County

CRandIC - Iowa River Bridge (N)
Johnson County

CRandIC - Iowa River Bridge (Near Amana)
Iowa County

CRandIC - Iowa River Bridge (S)
Johnson County

CRandIC - Mays Island Bridge
Linn County

CRandIC - Millrace Trestle
Iowa County

CRandIC - Muddy Creek Bridge
Johnson County

CRandIC - Packinghouse Bridge
Linn County

CRandIC - Prairie Creek Bridge
Linn County

CRandIC - Prairie Creek Bridge #2
Linn County

CRandIC - Ralston Creek Bridge
Johnson County

CRandIC - Ralston Creek Bridge (Nagle Lumber Spur)
Johnson County

CRandIC - Riverside Drive Overpass
Johnson County

CRandIC - Rocky Shore Drive Overpass
Johnson County

CRandIC - Small Stream Bridge
Linn County

CRandIC - Squaw Creek Bridge
Linn County

CRandIC - Stone Arch Bridge
Johnson County

CRandIC - Unnamed Stream Culvert
Johnson County

CRandIC/UP Overpass
Linn County

Crane Creek Bridge
Fayette County

Crane Creek Bridge
Black Hawk County

Crane Creek River Bridge
Chickasaw County

Crescent Bridge
Scott County

Crooked Creek Bridge
Cedar County

Crooked Creek Bridge
Washington County

Culvert on 250th St
Dallas County

Cunningham Bridge
Madison County

Curriers Mill Bridge
Mahaska County

Curtis Bridge
Johnson County

Cutler-Donahoe Covered Bridge
Madison County

Cutler-Donahue Stone Arch Bridge
Madison County

Czech Village Bridge
Linn County

D&ME/UP Overpass
Kossuth County

D&W - Charles Street Overpass
Fayette County

D&W - Wapsi Backwaters Trestle
Black Hawk County

D&W - Wapsipinicon River Bridge
Black Hawk County

DAIR - Big Sioux Crossing (Hawarden)
Sioux County

DAIR - Big Sioux River Bridge
Sioux County

DAIR - Canton Bridge
Lyon County

DAIR - Fairview Bridge
Sioux County

DAIR - Oak Ridge Bridge
Sioux County

Dakota City Bridge
Humboldt County

Dakota City Bridge (Older)
Humboldt County

Davenport Portable Bridge
Scott County

Davids Creek Bridge
Audubon County

Davids Creek Bridge
Audubon County

Davis Bridge
Howard County

Davison Bridge
Jackson County

DCI - Des Moines River Bridge
Polk County

Decatur Bridge
Monona County

Deep River Bridge
Iowa County

Deer Creek Bridge
Mitchell County

Deer Creek Bridge
Polk County

Delhi Dam
Delaware County

Delta Covered Bridge
Keokuk County

Des Moines River Bridge
Pocahontas County

Des Moines River Bridge
Wapello County

Des Moines River Bridge
Humboldt County

Devils Glen Road Bridge
Scott County

Devils Run Bridge
Iowa County

DeVoite Drive Bridge
Polk County

Diagonal Road Bridge
Poweshiek County

Dibble Creek Bridge
Fayette County

Dinkey Bridge
Story County

Dirty Face Creek Bridge
Johnson County

Division Creek Bridge
Jones County

DM&E - 115th Street Overpass
Clayton County

DM&E - 12th Street Overpass
Scott County

DM&E - 3rd Street Overpass
Washington County

DM&E - Beaver Creek Bridge
Cerro Gordo County

DM&E - Bloody Run Creek #2
Clayton County

DM&E - Bloody Run Creek #3
Clayton County

DM&E - Bloody Run Creek #4
Clayton County

DM&E - Bloody Run Creek #5
Clayton County

DM&E - Bloody Run Creek #6
Clayton County

DM&E - Bloody Run Creek Bridge #1
Clayton County

DM&E - Bridge #I-1110
Keokuk County

DM&E - Castalia Overpass
Winneshiek County

DM&E - Cedar River Bridge
Floyd County

DM&E - Clear Creek bridge
Allamakee County

DM&E - Columbus Junction Railroad Bridge
Louisa County

DM&E - Davis Road Overpass
Wayne County

DM&E - Deer Creek Bridge
Mitchell County

DM&E - Deer Creek Bridge
Clinton County

DM&E - Des Moines River Bridge (East Channel)
Wapello County

DM&E - Des Moines River Bridge (West Channel)
Wapello County

DM&E - Dogwood Avenue Overpass
Washington County

DM&E - Driftwood Avenue Overpass
Jefferson County

DM&E - Drive Overpass
Washington County

DM&E - Duck Creek Bridge
Jackson County

DM&E - Foster Viaduct #1
Monroe County

DM&E - Foster Viaduct #2
Monroe County

DM&E - Foster Viaduct #3
Monroe County

DM&E - G38 Overpass
Washington County

DM&E - Garfield Park Bridge
Scott County

DM&E - Goose Creek Bridge
Scott County

DM&E - Harrows Branch Bridge
Wapello County

DM&E - IA1/IA92 Overpass
Washington County

DM&E - Iowa River Bridge (Tyson Spur)
Louisa County

DM&E - Little Sioux River Bridge
Clay County

DM&E - Mad Creek Bridge
Muscatine County

DM&E - Maquoketa River Bridge
Jackson County

DM&E - Mill Creek Bridge
Jackson County

DM&E - Mill Creek Bridge
Clinton County

DM&E - Natural Stream Bridge
Muscatine County

DM&E - Natural Stream Bridge
Scott County

DM&E - Nora Junction Bridge
Floyd County

DM&E - Norris Park Bridge
Cerro Gordo County

DM&E - North Fork Long Creek Bridge
Washington County

DM&E - Outlet Bridge
Allamakee County

DM&E - Paint Creek Bridge
Allamakee County

DM&E - Panther Creek Bridge
Clayton County

DM&E - Pine Creek Bridge
Muscatine County

DM&E - Pleasant Creek Bridge
Jackson County

DM&E - Pool Slough Bridge
Allamakee County

DM&E - Red Bridge
Dubuque County

DM&E - Richland Creek Bridge #2
Keokuk County

DM&E - Richland Creek Bridge #4
Keokuk County

DM&E - Rock Creek Bridge
Muscatine County

DM&E - Sabula Bridge
Jackson County

DM&E - Shell Rock River Bridge
Cerro Gordo County

DM&E - South Avenue Overpass
Jackson County

DM&E - Turkey River Bridge
Clayton County

DM&E - Turkey River Overflow Bridge
Winneshiek County

DM&E - Upper Iowa River Bridge
Allamakee County

DM&E - US169 Overpass
Kossuth County

DM&E - Village Creek Bridge
Allamakee County

DM&E - Waterworks Trestle
Scott County

DM&E - West Fork Des Moines River Bridge
Palo Alto County

DM&E - Yellow River Bridge
Allamakee County

DMRy - Bridge to Nowhere
Polk County

DMRy - Merle Hay Road Trestle
Polk County

DMRy - Walnut Creek Trestle
Polk County

DMU - Raccoon River Bridge
Polk County

Dolliver Memorial State Park Low Water Crossing
Webster County

Doon Bridge
Lyon County

Douds Bridge
Van Buren County

Dougherty Bridge
Muscatine County

Dover Mills Bridge
Fayette County

Drainage Bridge
Iowa County

Drainage ditch #18 bridge
Humboldt County

Drainage ditch #18 bridge
Humboldt County

Drainage ditch #18 bridge
Humboldt County

Drainage ditch #18 timber bridge
Humboldt County

Drainage ditch #18 timber bridge
Humboldt County

Drainage Ditch #70 Culvert
Story County

Driveway Arch Bridge
Johnson County

Driveway Bridge
Linn County

Driveway Bridge
Delaware County

Driveway Bridge
Winneshiek County

Dry Creek Bridge
Linn County

Dry Run Bridge
Clayton County

Dry Run Creek Arch
Black Hawk County

Dry Run Creek Bridge
Fayette County

Dry Run Creek Bridge
Fayette County

Dry Run Creek Bridge (Older)
Black Hawk County

DSM River Trail - Unnamed Creek Trestle
Polk County

Dubuque Street NE Culvert #1
Johnson County

Dubuque Street NE Culvert #2
Johnson County

Dubuque Wagon Bridge
Dubuque County

Dubuque-Wisconsin Bridge
Dubuque County

Dumfries Avenue Bridge
Pottawattamie County

Dunham Ferry Bridge
Jackson County

Dunkerton Bridge
Black Hawk County

Durow Road Bridge
Linn County

Dutch Lane Road Bridge
Dubuque County

Dyersville Bridge
Dubuque County

Eagle Point Bridge
Dubuque County

East 14th Street Viaduct
Polk County

East Amana Bridge (Older)
Iowa County

East Branch Indian Creek Bridge
Story County

East Branch Indian Creek Bridge
Story County

East Branch Indian Creek Bridge
Story County

East Branch Salt Creek Bridge
Tama County

East Bridge
Winneshiek County

East Bridge
Sac County

East Bridge
Franklin County

East Bridge
Fayette County

East Bridge
Louisa County

East Bridge
Iowa County

East Buck Creek Bridge
Poweshiek County

East Line Street Bridge
Jackson County

East Nishnabotna River at Avenue D (Old)
Page County

East Nishnabotna River Bridge
Cass County

East Nishnabotna River Bridge
Montgomery County

East Nishnabotna River Bridge
Montgomery County

East Soldier River Bridge
Crawford County

East Soldier River Bridge
Crawford County

East Street Culvert
Dallas County

East Wapsinonoc Creek Bridge
Muscatine County

Ed Winkel Memorial Trail - Otter Creek Arch
Osceola County

Eddyville Bridge
Monroe County

Eden Valley County Refuge Bridge
Jackson County

Edna M. Griffin Memorial Bridge
Polk County

Egret Road Bridge
Clayton County

Eight Mile Bridge
Louisa County

Eight Street Viaduct
Polk County

Eisenhower Bridge
Van Buren County

Eldon Bridge
Wapello County

Eldora Bridge
Hardin County

Eldorado Bridge
Fayette County

Elgin Bridge
Fayette County

Elk Run Creek Bridge
Black Hawk County

Elkader Keystone Bridge
Clayton County

Elkader Truesdell Bridge
Clayton County

Elkport Covered Bridge
Clayton County

Elkport-Garber Bridge
Clayton County

Elliott Bridge
Montgomery County

Ellis Park Bridge
Linn County

Ellis Park Old Road Bridge
Linn County

Ellsworth Ranch Bridge
Emmet County

Ely Road Bridge
Linn County

Ely Street Bridge
Linn County

Ely's Stone Bridge
Jones County

Embassy Lane Overpass
Pottawattamie County

English Creek Bridge
Marion County

English Creek Bridge
Marion County

English River Bridge
Washington County

English River Bridge
Keokuk County

Estherville Suspension Bridge
Emmet County

Euclid Avenue Des Moines River Bridge
Polk County

Euclid Avenue Des Moines River Bridge (Old)
Polk County

Eureka Bridge
Greene County

Eureka Bridge
Winneshiek County

Eureka Mill Bridge
Greene County

Euritt Bridge
Decatur County

Eveland Bridge
Mahaska County

Evergreen Ave Bridge
Polk County

Everly Thatcher Bridge
Clay County

F Avenue Bridge
Linn County

F Avenue Bridge (Old)
Linn County

Fabius Creek Bridge
Davis County

Fabius Creek Bridge
Davis County

Fairmount Park Bridge #1
Pottawattamie County

Fairmount Park Bridge #2
Pottawattamie County

Farmington Bridge
Van Buren County

FDDM - Bass Point Creek Trestle
Boone County

FDDM - Bluff Creek Trestle
Boone County

FDDM - Bluff Creek Tributary Culvert #1
Boone County

FDDM - College Creek Bridge
Story County

FDDM - Des Moines River Bridge (Old)
Boone County

FDDM - Fourmile Creek Tributary Culvert
Polk County

FDDM - Lehigh Bridge
Webster County

FDDM - Shady Oak Bridge
Webster County

FDDM - Squaw Creek Bridge (Old)
Story County

FDDM - Zumwalt Station Trestle
Story County

Fertile Bridge (Older)
Worth County

Fertile Bridge (Oldest)
Worth County

Field Bridge
Fayette County

Field Bridge
Benton County

Field bridge
Iowa County

Field Bridge
Marshall County

Field Bridge
Cedar County

Field Bridge
Iowa County

Field Bridge
Pocahontas County

Field Bridge
Davis County

Field Entrance Bridge
Jones County

Finley Avenue Lime Creek Bridge
Buchanan County

Fir Avenue Overpass
Jefferson County

First Bridge
Scott County

First Street Overpass
Linn County

Fish Creek Bridge
Henry County

Fish Creek Bridge
Henry County

Fleur Drive Bridge
Polk County

Fleur Drive Overpass
Polk County

Flint River Bridge
Des Moines County

Flint River Trail - Flint River Bridge
Des Moines County

Flood Creek Bridge
Floyd County

Flood Creek Bridge
Floyd County

Flood Creek Bridge
Floyd County

Floyd Mill Bridge
Floyd County

Floyd River Bridge
Plymouth County

Floyd River Bridge
Sioux County

Fonda Bridge
Pocahontas County

Fontana Park Bridge
Buchanan County

Foreston Bridge
Howard County

Forestville Bridge
Delaware County

Fort Atkinson Bridge
Winneshiek County

Fort Dodge High Bridge
Webster County

Fort Madison Bridge
Lee County

Fort Madison Bridge (Old)
Lee County

Fountain Dale Bridge
Jackson County

Four Mile Creek Bridge
Polk County

Fourmile Creek Marsh Arch Bridge
Polk County

Fourmile Creek Tributary Bridge
Polk County

Fox Road Bridge
Fayette County

Fox Trail Bridge
Madison County

Fred Schwengel Memorial Bridge
Scott County

Frederika Bridge (Old)
Bremer County

Frederika Bridge (Older)
Bremer County

Freeport Bridge
Winneshiek County

Fremont Mill Bridge
Jones County

French Creek Bridge
Allamakee County

French Creek Bridge
Lee County

Frink Creek Bridge
Polk County

Froelich Culvert
Clayton County

Ft. Dodge Nature Trail - Lionel Bridge
Webster County

Fudge Creek Bridge
Wapello County

Furnace Bridge
Dubuque County

Galeton Bridge
Mahaska County

Garber Bridge
Clayton County

Garnavillo Township Bridge
Clayton County

Garnavillo Township Culvert
Clayton County

Garretson Outlet Bridge
Monona County

Gately Bridge
Mahaska County

Gates Bridge
Floyd County

Gateway Bridge
Clinton County

Gedney Lake Bridge
Muscatine County

Gehrkie Quarries Bridge
Hardin County

Geode Bridge
Henry County

George Washington Carver Bridge
Polk County

Gilbert Street Bridge
Floyd County

Gilbertville Bridge
Black Hawk County

Gilliece Bridge
Winneshiek County

Gilroy Rustic Park Arch Bridge
Clinton County

Gipple's Quarry Bridge
Louisa County

Given Creek Bridge
Tama County

Gladbrook Bridge
Tama County

Glovers Creek Bridge
Fayette County

Goldfield Bridge
Wright County

Goose Creek Bridge
Scott County

Gordon Avenue Viaduct
Woodbury County

Gotch Park Rd. Bridge
Humboldt County

Government Bridge
Scott County

Grace Hill Overpass
Washington County

Grand Avenue Bridge
Polk County

Grand Avenue Bridge
Clay County

Grand Avenue Bridge (Old)
Polk County

Grand Avenue Bridge (Older)
Polk County

Grand Avenue Bridge (Unbuilt)
Polk County

Grand Avenue Walnut Creek Bridge
Polk County

Grand River Bridge
Union County

Grand River Bridge
Adair County

Grand River Bridge
Madison County

Grant Street Bridge
Humboldt County

Grant Street South Bridge
Polk County

Grant Wood Trail - Simmons Creek Bridge
Linn County

Great Lake Spine Trail - Lake Okoboji Bridge
Dickinson County

Great River Bridge
Des Moines County

Great River Road Bridge
Fayette County

Great Western Trail - Frink Creek Bridge
Polk County

Green Bridge
Polk County

Green Bridge
Iowa County

Green Mill Ford Bridge
Bremer County

Green Road Bridge
Cedar County

Green Street Bridge
Jones County

Greencastle Avenue Bridge
Johnson County

Greene Bridge
Butler County

Greenfield Road Bridge
Adair County

Gunderson Bridge
Winneshiek County

Gypsum Mine Holiday Creek Bridge
Webster County

H Avenue Bridge
Iowa County

H Avenue Bridge
Iowa County

Haight Creek Bridge
Des Moines County

Hale Bridge
Jones County

Hammond Covered Bridge
Marion County

Hanging Rock Bridge
Johnson County

Hanley Bridge
Polk County

Hardin City Bridge
Hardin County

Hardin Street Bridge
Hardin County

Harmon Tunnel
Madison County

Hartley Drive Bridge
Allamakee County

Harts Mill Bridge
Clinton County

Hartwick Bridge
Delaware County

Harvey Island Road Bridge
Marion County

Hawaii Avenue Bridge
Humboldt County

Hawk Drive Bridge
Van Buren County

Hawkeye Avenue Bridge
Floyd County

Hawkeye Avenue Bridge
Webster County

Hawkeye Creek Bridge
Des Moines County

Hawkeye Highway Branch South Fork Catfish Creek Bridge
Dubuque County

Hawkeye Highway Little Sioux River Bridge
Cherokee County

Hawkeye-Dolbee Channel Bridge
Des Moines County

Hayes Street Bridge
Buchanan County

Hayward Avenue Culvert
Story County

Heart of Iowa Trail - Hoy Bridge
Marshall County

Heart of Iowa Trail - Mousehole
Story County

Heart of Iowa Trail - Rock Creek Arch Bridge
Story County

Heins Road Bridge
Linn County

Henderson Bridge
Linn County

Henry Bridge
Winneshiek County

Heritage Trail - Little Maquoketa River Bridge #1
Dubuque County

Heritage Trail - Little Maquoketa River Bridge #2 (Durango)
Dubuque County

Heritage Trail - Truss Bridge
Dubuque County

Herring Viaduct
Webster County

Herrold Bridge
Polk County

HH Avenue Old Mans Creek Bridge
Iowa County

High Bridge
Muscatine County

High Trestle Trail - Drainage Bridge
Polk County

High Trestle Trail - Field Road Overpass
Polk County

High Trestle Trail - Murphy Branch Culvert
Boone County

High Trestle Trail - Pasture Bridge
Polk County

High Trestle Trail - Prairie Creek Culvert
Boone County

High Trestle Trail - Rock Creek Bridge
Polk County

High Trestle Trail - Small Stream Bridge
Polk County

High Trestle Trail - Wolf Creek Bridge
Polk County

High Trestle Trail Bridge
Boone County

High Trestle Trail Culvert #1
Polk County

High Trestle Trail Culvert #3
Polk County

High Trestle Trail Culvert #4
Polk County

Highwater Road Bridge
Delaware County

Hill's Mill Bridge
Howard County

Hills Mill Bridge
Linn County

Hoben Bridge
Louisa County

Hockeys Slough Bridge
Muscatine County

Hog's Back Bridge
Winneshiek County

Hogback Bridge
Louisa County

Hogback Covered Bridge
Madison County

Holland's Ferry Bridge
Johnson County

Holliwell Covered Bridge
Madison County

Holy Family Lane Bridge
Dubuque County

Honey Creek Bridge
Marshall County

Honey Creek Bridge
Louisa County

Honey Creek Bridge
Iowa County

Honey Creek Bridge
Iowa County

Hoover Trail - 40th Street Overpass
Louisa County

Hoover Trail - Unamed Stream Stone Culvert
Linn County

Hoover Trail - Unnamed Branch of Honey Creek Bridge
Louisa County

Hopkinton Mill Bridge
Delaware County

Horn's Ferry Bridge
Marion County

Hubbell Arch Bridge
Polk County

Hubby Bridge
Boone County

Hudson Bridge
Sioux County

Humpback Bridge
Buchanan County

Huntzinger Bridge
Fayette County

Hurd Park Bridge
Worth County

Huttig Manufacturing Footbridge (Lower)
Muscatine County

Huttig Manufacturing Footbridge (Upper)
Muscatine County

I-380 5-in-1 Bridge
Linn County

I-74 Bridge
Scott County

I280 Bridge
Scott County

I29 Big Sioux River Bridge
Woodbury County

I80 Missouri River Bridge
Pottawattamie County

IA1 Culvert
Johnson County

IA1 Iowa River Bridge
Johnson County

IA1 Overpass
Van Buren County

IA117 South Skunk River Bridge
Jasper County

IA118 Pine Lake Dam Bridge
Hardin County

IA13 Wapsipinicon River Bridge
Linn County

IA136 Overpass
Clinton County

IA137 Des Moines River Bridge
Wapello County

IA14 Beaver Creek Bridge (Old)
Butler County

IA14 Brush Creek Bridge
Marion County

IA14 Iowa River Bridge
Marshall County

IA14 Overpass
Butler County

IA14 Red Rock Bridge
Marion County

IA14 Teter Creek Bridge
Marion County

IA14 White Breast Creek Bridge
Marion County

IA150 Cedar River Bridge
Benton County

IA150 Rock Cut Bridge (Old)
Fayette County

IA150 Wapsipinicon River Bridge
Buchanan County

IA17 Boone River Bridge (Old)
Hamilton County

IA17 Overpass
Boone County

IA175 Beaver Creek Bridge
Hardin County

IA175 Eldora Viaduct
Hardin County

IA175 South Skunk River Bridge (Old)
Hamilton County

IA2 Des Moines River Bridge
Van Buren County

IA2 Rock Creek Bridge
Van Buren County

IA21 Iowa River Bridge
Iowa County

IA22 Cedar River Bridge
Muscatine County

IA22 Natural Stream Bridge
Scott County

IA22 Wapsinonoc Creek Bridge
Muscatine County

IA24 Turkey River Overflow Bridge
Winneshiek County

IA3 East Fork Des Moines River Bridge
Humboldt County

IA3 West Fork Des Moines River Bridge
Humboldt County

IA3/Bremer Avenue Cedar River Bridge
Bremer County

IA31 Little Sioux River Deck Truss
Woodbury County

IA346 Cedar River Bridge
Chickasaw County

IA346 Little Cedar River Tributary Arch
Chickasaw County

IA394 Skunk River Bridge
Des Moines County

IA415 Overpass
Polk County

IA44 Middle Raccoon River Bridge (Old)
Guthrie County

IA46 Des Moines River Bridge
Polk County

IA57 Overpass
Franklin County

IA7 Cub Creek Bridge
Poweshiek County

IA7 Overpass
Pocahontas County

IA70 Iowa River Bridge
Louisa County

IA78 Skunk River Bridge
Jefferson County

IA9 Cedar River Bridge
Mitchell County

IA9 Des Moines River Bridge (Old)
Emmet County

IA9 Dry Run Bridge #3
Winneshiek County

IA9 Rock River Bridge (Old)
Lyon County

IA9 Wapsipinicon River Bridge (Old)
Mitchell County

IA92 Iowa River Bridge (Old)
Louisa County

IA92 Viaduct
Louisa County

IA920 Branch Blue Creek Bridge
Linn County

IA939 Wapsipinicon River Bridge
Buchanan County

IAIS - "Truck Eating Bridge"
Scott County

IAIS - 32nd Avenue Overpass
Jasper County

IAIS - 3rd Street Overpass
Scott County

IAIS - 4th Street Overpass
Scott County

IAIS - 555th Street Overpass
Cass County

IAIS - 80th Street Overpass
Polk County

IAIS - 8th Street Southwest Overpass
Polk County

IAIS - Alleyway Overpass #1
Scott County

IAIS - Alleyway Overpass #2
Scott County

IAIS - Ashworth Park Bridge
Polk County

IAIS - Big Bear Creek Bridge
Iowa County

IAIS - Branch Mud Creek Bridge
Cedar County

IAIS - Bridge #272.9
Iowa County

IAIS - Bridge #411.3
Guthrie County

IAIS - Bulger Breek North Bridge
Dallas County

IAIS - Bulger Breek South Bridge
Dallas County

IAIS - Bulger Creek Bridge
Dallas County

IAIS - Camp Creek Bridge
Polk County

IAIS - Camp Creek Tributary Bridge
Polk County

IAIS - Capitol Street Overpass
Johnson County

IAIS - Clear Creek Bridge
Johnson County

IAIS - Cub Creek Bridge
Poweshiek County

IAIS - Des Moines River Bridge
Polk County

IAIS - Drainage Culvert
Iowa County

IAIS - Drainage Ditch Arch
Guthrie County

IAIS - Drainage Trestle
Marion County

IAIS - Duck Creek Bridge
Scott County

IAIS - East Branch Wapsinonoc Creek Bridge
Muscatine County

IAIS - East Nishnabotna River Bridge
Cass County

IAIS - Filmore Street Overpass
Scott County

IAIS - Fourmile Creek Bridge
Polk County

IAIS - Franklin Avenue Overpass
Pottawattamie County

IAIS - Frink Creek Bridge
Polk County

IAIS - Gilbert Street Overpass
Johnson County

IAIS - Harrison Street Overpass
Scott County

IAIS - Hickman Road Overpass
Polk County

IAIS - Hilton Creek Bridge
Iowa County

IAIS - Homestead Arch
Iowa County

IAIS - I-280 Overpass
Scott County

IAIS - I80 Overpass
Dallas County

IAIS - IA163 Overpass
Marion County

IAIS - IA83 Overpass
Cass County

IAIS - Indian Creek Bridge
Pottawattamie County

IAIS - Iowa River Bridge
Johnson County

IAIS - Johnson Creek Bridge
Dallas County

IAIS - Ladora Bridge
Iowa County

IAIS - Little Bear Creek Bridge
Poweshiek County

IAIS - Little Fourmile Creek Bridge
Polk County

IAIS - Main Street Overpass
Scott County

IAIS - Marble Creek Bridge
Iowa County

IAIS - McPherson Avenue Overpass
Pottawattamie County

IAIS - Middle Branch Middle River Bridge
Guthrie County

IAIS - Middle River Bridge
Guthrie County

IAIS - Moscow Bridge
Muscatine County

IAIS - Mud Creek Trestle
Polk County

IAIS - Old US-6 Bridge (Menlo)
Guthrie County

IAIS - Perry Street Overpass
Scott County

IAIS - Quail Avenue Bridge
Guthrie County

IAIS - Raccoon River Bridge (Booneville)
Dallas County

IAIS - Raccoon River Bridge (Spur)
Polk County

IAIS - Raccoon River Park Bridge
Polk County

IAIS - Raccoon River Tributary Bridge
Polk County

IAIS - Raccoon River Tributary Bridge
Dallas County

IAIS - Raccoon River Tributary Culvert
Dallas County

IAIS - Ralston Creek Bridge
Johnson County

IAIS - Rhine Creek Bridge
Johnson County

IAIS - Rhine Creek Bridge #2
Johnson County

IAIS - Ripley Street Overpass
Scott County

IAIS - Severs Creek bridge
Jasper County

IAIS - Small Stream Culvert
Poweshiek County

IAIS - South Fork Middle River Tributary Bridge
Guthrie County

IAIS - South Fork Middle River Tributary Crossing
Guthrie County

IAIS - South Skunk River Bridge
Jasper County

IAIS - Sugar Creek Bridge
Dallas County

IAIS - Sugar Creek Tributary Bridge
Dallas County

IAIS - Tributary of Fourmile Creek Arch
Polk County

IAIS - Turkey Creek Bridge
Adair County

IAIS - Unnamed Tributary of Bulger Creek Culvert
Dallas County

IAIS - US-59 Overpass
Pottawattamie County

IAIS - US-6 Overpass
Pottawattamie County

IAIS - Van Meter Culvert #1
Dallas County

IAIS - Van Meter Culvert #2
Dallas County

IAIS - Van Meter Culvert #3
Dallas County

IAIS - Van Zante Creek Tributary Bridge
Marion County

IAIS - Walnut Creek bridge
Pottawattamie County

IAIS - Walnut Creek Bridge
Polk County

IAIS - Walnut Creek Bridge #2
Polk County

IAIS - Walnut Creek Tributary Bridge
Polk County

IAIS - Wisconsin Avenue Overpass
Scott County

IAIS - Yocum Connection Drainage Bridge
Iowa County

IAIS/BNSF Overpass
Pottawattamie County

IANR - 4th Avenue Overpass
Benton County

IANR - Backwater Bridge
Butler County

IANR - Bear Creek Bridge
Benton County

IANR - Bear Creek Bridge #2
Benton County

IANR - Bear Creek Bridge (DAEC Spur)
Linn County

IANR - Beaver Creek Bridge
Black Hawk County

IANR - Cedar River Bridge
Black Hawk County

IANR - Cedar River Bridge
Linn County

IANR - Culvert
Linn County

IANR - Drainage Tube Culvert
Linn County

IANR - Dry Creek Bridge
Linn County

IANR - Dry Run Creek Bridge
Black Hawk County

IANR - Flood Creek Bridge
Butler County

IANR - Hawkeye Avenue Overpass
Floyd County

IANR - Hinkle Creek Bridge
Benton County

IANR - Idaho Street Overpass
Black Hawk County

IANR - Mud Creek Stone Arch
Benton County

IANR - Oak Creek Bridge #1
Linn County

IANR - Oak Creek Bridge #3
Linn County

IANR - Oppossum Creek Bridge
Benton County

IANR - Oppossum Creek Bridge #2
Benton County

IANR - Pratt Creek Bridge
Benton County

IANR - River Street Overpass
Cerro Gordo County

IANR - Shell Rock River Bridge (Clarksville)
Butler County

IANR - Shell Rock River Bridge (Rockford)
Floyd County

IANR - Small Stream Arch
Black Hawk County

IANR - Small Stream Bridge
Black Hawk County

IANR - Spring Creek Stone Arch
Cerro Gordo County

IANR - Stone Arch
Benton County

IANR - West Fork Cedar River Bridge
Black Hawk County

IANR - West Fork Cedar River Bridge (New)
Black Hawk County

IANR - Wolf Creek Bridge
Black Hawk County

IANR/CN Overpass
Black Hawk County

IANR/DM&E - Winnebago River Bridge (Portland)
Cerro Gordo County

IANW - Little Sioux River Bridge
Dickinson County

IANW - West Fork Little Sioux River Bridge
Dickinson County

IARR - Albion River Bottoms Trestle
Marshall County

IARR - Drainage Ditch Bridge
Marshall County

IARR - Iowa River Bridge (Albion)
Marshall County

IARR - Iowa River Bridge (Steamboat Rock)
Hardin County

IARR - Iowa River Bridge (Union)
Hardin County

IARR - Natural Stream Bridge
Hardin County

IARR - Old Road Overpass
Hardin County

IARR - South Fork Trestle
Hardin County

IARR - Summit Street Overpass
Marshall County

IC - Boone River Bridge
Hamilton County

IC - Buffalo Creek Bridge
Linn County

IC - Cedar Creek Bridge
Pocahontas County

IC - Cedar River Bridge
Bremer County

IC - Des Moines River Bridge
Webster County

IC - East Omaha Swing Bridge
Pottawattamie County

IC - First Dubuque Bridge
Dubuque County

IC - Iowa River Bridge
Hardin County

IC - Little Sioux River Bridge
Cherokee County

IC - Little Sioux River Bridge #1
Cherokee County

IC - Little Sioux River Bridge #2
Cherokee County

IC - Little Sioux River Bridge #3
Woodbury County

IC - Little Sioux River Bridge #4
Woodbury County

IC - Maquoketa River Bridge
Delaware County

IC - Middle Fork Catfish Creek Bridge #10 (Old)
Dubuque County

IC - Wapsipinicon River Bridge
Buchanan County

IC - Wapsipinicon River Bridge
Linn County

IC/CNW Overpass
Sac County

IC/ITR Overpass
Floyd County

Illinois Avenue Bridge
Buchanan County

Imes Covered Bridge
Madison County

Immaculate Conception Church Overpass
Allamakee County

IMRL - Nora Junction Bridge
Floyd County

Indian Creek bridge
Humboldt County

Indian Creek Bridge
Polk County

Indian Creek Bridge
Polk County

Indian Creek Bridge
Humboldt County

Indian Creek bridge
Humboldt County

Indian Creek Bridge
Sac County

Indian Creek Bridge
Jasper County

Indiana Avenue Bridge
Lyon County

Ink Road Bridge
Linn County

Inter-Urban Trail Bridge
Polk County

Iowa Avenue Bridge
Johnson County

Iowa Central - Mississippi River Bridge
Louisa County

Iowa Falls Swinging Bridge
Hardin County

Iowa Memorial Union Footbridge
Johnson County

Iowa River Bridge
Hardin County

Iowa River Bridge
Iowa County

Iowa River E Avenue Bridge
Tama County

Iowa State Faigrounds Bridge
Polk County

Ironwood Road Bridge
Fayette County

Island Bridge
Hardin County

Island Park Low Water Crossing
Lyon County

Island Park Trail Bridge
Lyon County

ITR - 11th Street Overpass
Floyd County

ITR - Flood Creek Bridge
Floyd County

ITR - Little Cedar River Bridge
Floyd County

ITR - Sherman's Nursery Bridge (N)
Floyd County

ITR - Sherman's Nursery Bridge (S)
Floyd County

ITR/MILW Overpass
Floyd County

Ivanhoe Bridge (Older)
Linn County

J Avenue Bridge
Louisa County

J Avenue Overpass
Boone County

J Street Bridge
Winnebago County

Jackson Creek Bridge
Wayne County

Janesville Bridge
Black Hawk County

Janesville Bridge (N)
Bremer County

Jasper Avenue East Fork Wapsipinicon Bridge
Chickasaw County

Jay Avenue Bridge
Audubon County

Jefferson Bridge
Greene County

Jefferson Highway Grand River Bridge
Decatur County

Jefferson Highway Little River Bridge
Decatur County

Jefferson Street Viaduct
Wapello County

Jeldon Bridge
Clay County

JewEllsworth Trail - South Skunk River Bridge
Hamilton County

Jim Creek Bridge
Madison County

John Street Bridge
Delaware County

Johnson Street Bridge
Sioux County

Johnson Street Bridge
Johnson County

Johnson's Mill Bridge
Fayette County

Jordan Creek Bridge
Polk County

Julien Dubuque Bridge
Dubuque County

K Avenue Bridge
Tama County

Kalo Bridge
Webster County

Kate Shelley High Bridge
Boone County

Keigley Branch Bridge
Story County

Keigly Branch Suspension Bridge
Story County

Kellogg Bridge
Jasper County

Kendall Bridge (Old)
Carroll County

Kendallville Bridge
Winneshiek County

Kent Park Bowstring Arch Bridge
Johnson County

Kent Park Culvert
Johnson County

Kent Park Half-Hip Pony Truss Bridge
Johnson County

Kent Park High Truss Bridge
Johnson County

Kent Park Pony Truss Bridge
Johnson County

Kent Park Pony Truss Bridge
Johnson County

Kent Park Pratt Half-Hip Pony Truss Bridge
Johnson County

Kent Park Roof Truss Bridge
Johnson County

Kent Park Wood Truss
Johnson County

Kenyon Road North Viaduct
Webster County

Keokuk Bridge (Old)
Lee County

Keosauqua Bridge
Van Buren County

Keosauqua Bridge (Old)
Van Buren County

Kewash Trail - West Fork Crooked Creek Bridge
Washington County

Kilbourn Bridge
Van Buren County

Kincaid Avenue Bridge
Muscatine County

Kirby-Flynn Bridge
Palo Alto County

Kittyhawk Avenue Bridge
Carroll County

Kiwanis Bridge
Sioux County

Kiwanis Park Bridge
Johnson County

Klondike Bridge
Lyon County

Knoll Ridge Trail Bridge
Madison County

Knoll Road Bridge
Story County

Knoll Road Bridge (Old)
Story County

Kolonietrail Bike Bridge at Middle Amana
Iowa County

L Avenue Bridge
Boone County

La Porte City Bridge
Black Hawk County

Lacey-Keosauqua State Park Footbridge
Van Buren County

Lake City Bridge
Calhoun County

Lake Creek Bridge
Calhoun County

Lake Hendricks Bridge
Howard County

Lake McBride State Park Entrance Bridge
Johnson County

Lake McBride State Park Footbridge
Johnson County

Lake Peosota Access Arch
Dubuque County

Lakehurst Bridge
Jackson County

Lakeshore Drive Bridge #1
Dickinson County

Lakeshore Drive Bridge #2 (Old)
Dickinson County

Landis Road Bridge
Jones County

Lane Timber Bridge
Humboldt County

Langford Road Bridge
Marshall County

Lawrence Bridge
Winneshiek County

Le Grand Bridge
Marshall County

Leando-Douds Bridge
Van Buren County

Ledges Bridge
Boone County

Ledges State Park Low Water Crossings #1-6
Boone County

LeGrand Bridge
Marshall County

Lehigh Bridge (Old)
Webster County

Lenon Bridge
Guthrie County

Level B 320th Street Bridge
Cedar County

Lewis Access Bridge
Linn County

Lewis Street Bridge
Humboldt County

Liberty Centre Park Footbridge
Johnson County

Liberty Trail Bridge
Buchanan County

Lima Bridge
Fayette County

Lime Creek Bridge
Buchanan County

Lime Creek Bridge
Buchanan County

Lime Springs Bridge
Howard County

Lincoln Highway Buttricks Creek Bridge
Greene County

Lincoln Highway Calamus Creek Bridge
Clinton County

Lincoln Highway Culvert
Greene County

Lincoln Highway East Indian Creek Bridge
Story County

Lincoln Highway East Indian Creek Viaduct
Story County

Lincoln Highway Gladstone Overpass
Tama County

Lincoln Highway Head Memorial Bridge
Greene County

Lincoln Highway Mississippi River Bridge
Clinton County

Lincoln Highway Overpass
Marshall County

Lincoln Highway South Skunk River (Old Channel) Bridge
Story County

Lincoln Highway South Skunk River Bridge (Old)
Story County

Lincoln Highway South Skunk River Bridge (Older)
Story County

Lincoln Highway Wapsipinicon (Branch) Bridge
Clinton County

Lincoln Highway Wapsipinicon River Bridge
Clinton County

Lincoln Highway Wapsipinicon River Bridge (Old)
Clinton County

Lincoln Highway Wapsipinicon River Overflow Bridge
Clinton County

Lincoln Highway West Beaver Creek Bridge
Greene County

Lincoln Highway White Bridge
Tama County

Lincoln Highway/Jefferson Highway Colo Interchange
Story County

Lincoln Way Squaw Creek Bridge
Story County

Lincoln Way Squaw Creek Bridge (Old)
Story County

Lincoln Way Squaw Creek Bridge (Older)
Story County

Linden Street Bridge
Fayette County

Lindsey Bridge
Delaware County

Lingel Creek Bridge
Johnson County

Linn Creek Bridge
Marshall County

Linn Creek Bridge
Marshall County

Linn Creek Intersection Bridge
Marshall County

Linn Drive Bridge
Linn County

Linn Grove Dam Park Bridge
Buena Vista County

Little Bear Creek Bridge
Poweshiek County

Little Beaver Creek Bridge
Polk County

Little Beaver Creek Bridge
Polk County

LIttle Beaver Creek Lincoln Highway Bridge
Greene County

Little Big Creek Bridge
Linn County

Little Bridge Park
Dallas County

Little Cedar Creek Bridge
Van Buren County

Little Cedar River Bridge
Floyd County

Little Cedar River Bridge
Floyd County

Little Cedar River Bridge
Floyd County

Little Cedar River Bridge
Floyd County

Little Indian Creek Bridge
Audubon County

Little Otter Creek Bridge
Lyon County

Little Rock River Bridge
Lyon County

Little Sioux River Bridge
Buena Vista County

Little Sioux River Bridge
Woodbury County

Little Sioux River Bridge
Harrison County

Little Sioux River Pontoon Bridge
Cherokee County

Little Wapsipinicon River Bridge
Chickasaw County

Little Whitebreast Creek Bridge
Lucas County

Littleton Bridge
Buchanan County

Livermore Bridge
Humboldt County

Livermore Bridge (Old)
Humboldt County

Lizard Creek Bridge
Webster County

Lock & Dam 14
Scott County

Lock & Dam 16
Muscatine County

Lock and Dam 15
Scott County

Locust Street Bridge
Polk County

Locust Street Bridge (Old)
Polk County

Long Bridge
Cherokee County

Long Bridge
Ida County

Long Point Bridge
Tama County

Long Point Bridge (Old)
Tama County

Lost Branch Bridge
Lucas County

Lost Creek Bridge
Lee County

Lost Ledges State Park Bridge
Boone County

Lott's Creek bridge
Humboldt County

Lover's Lane Bridge
Floyd County

Lover's Leap Bridge
Louisa County

Lovers Lane Bridge
Buchanan County

Lowell Bridge
Henry County

Lower Ledges Road Bridge
Boone County

Lower Old Highway 6 Road NW Bridge
Johnson County

Lower Oxford Road Bridge
Johnson County

Lower Plymouth Rock Bridge
Winneshiek County

Lower Road Bridge
Jones County

Lucas Avenue Bridge
Humboldt County

Lucas Grove Road Lowe Run Bridge
Muscatine County

Lundy Bridge
Winneshiek County

Lundy Bridge
Warren County

Luzerne Street Overpass
Benton County

Lyons & Fulton Bridge
Clinton County

M&StL - Beaver Creek Bridge
Worth County

M&StL - Black Hawk Chute Bridge
Louisa County

M&StL - Des Moines River Bridge
Polk County

M&StL - Des Moines River Bridge (Tracy)
Mahaska County

M&StL - Eddyville Rail Bridge (Old)
Monroe County

M&StL - L Avenue Overpass
Louisa County

M&StL - Little Sioux River Bridge (Spencer)
Clay County

M&StL - M Avenue Overpass
Louisa County

M&StL - Mississippi River Bridge
Louisa County

M&StL - Sioux Rapids High Bridge
Buena Vista County

M&StL - Skunk River Bridge
Jefferson County

M&StL - Walnut Creek Bridge
Polk County

M&STL - Willow Creek Bridge
Cerro Gordo County

MacArthur Bridge
Des Moines County

Mackey Bridge
Boone County

Mad Creek Bridge
Muscatine County

Madrid Bridge
Boone County

Main Street Bridge
Wright County

Main Street Bridge
Jones County

Main Street Bridge
Jones County

Main Street Bridge
Cerro Gordo County

Main Street Bridge
Lyon County

Main Street Bridge
Sioux County

Main Street Bridge
Floyd County

Main Street Bridge
Linn County

Main Street Bridge
Fremont County

Main Street Bridge
Black Hawk County

Main Street Bridge
Clay County

Main Street Bridge (Old)
Linn County

Main Street Bridge (Old)
Fayette County

Main Street Bridge (Old)
Fayette County

Main Street Bridge (Old)
Cherokee County

Main Street Bridge (Old)
Delaware County

Main Street Bridge (Old)
Floyd County

Main Street Bridge (Old)
Linn County

Main Street Bridge (Older)
Tama County

Main Street Bridge (Older)
Jones County

Main Street Bridge (Older)
Buchanan County

Main Street Bridge (Oldest)
Lyon County

Main Street Overpass
Marion County

Main Street Overpass
Boone County

Main Street Overpass
Monroe County

Main Street Overpass
Story County

Main Street Stone Arch
Black Hawk County

Main Street Triple Bridge
Cerro Gordo County

Major Road Bridge
Fayette County

Major Road Bridge
Howard County

Malone Creek Bridge
Buchanan County

Manchester Fish Hatchery Bridge
Delaware County

Maple Mill Bridge
Washington County

Maple River Bridge
Woodbury County

Maquoketa River Bridge
Delaware County

Maquoketa River Bridge
Jackson County

Maquoketa River Bridge
Dubuque County

Maquoketa River Bridge (Old)
Delaware County

Maquoketa River Stone Arch
Dubuque County

Marble Rock Arch Bridge
Floyd County

Marble Rock Bowstring
Floyd County

Marengo Iowa River Bridge
Iowa County

Marion Street Bridge
Delaware County

Marion-Springville Road Bridge
Linn County

Mark N. Norris Bridge
Clinton County

Market Street Bridge
Wapello County

Marquette-Prairie Bridge
Clayton County

Marsh Arch Bridge
Emmet County

Marsh Rainbow Arch Bridge
Jasper County

Martin Luther King Jr. Parkway Bridge
Polk County

Martin Luther King Jr. Parkway Bridge over Raccoon River
Polk County

Marysville Covered Bridge
Marion County

Matsell Bridge
Linn County

McBride Covered Bridge
Madison County

McCaffrey Bridge
Winneshiek County

McCloud Run Bridge
Linn County

McIntyre Bridge
Poweshiek County

McKeown Bridge
Muscatine County

McKeown Bridge (Old)
Muscatine County

McKinley Lake Bridge
Union County

Mederville Bridge
Clayton County

Medford Avenue Bridge
Harrison County

Mehaffey Bridge (Old)
Johnson County

Mehaffey Bridge (Older)
Johnson County

Melan Bridge
Lyon County

Meredith Willson "The Music Man" Footbridge
Cerro Gordo County

Mid South Creek Bridge
Warren County

Middle Avery Creek Bridge
Monroe County

Middle Creek Bridge
Mahaska County

Middle Fork Little Maquoketa River Bridge
Dubuque County

Middle Nodaway River Bridge
Adams County

Middle River Bridge
Madison County

Middle River Bridge
Adair County

Middle River Bridge
Madison County

Mile Long Bridge
Polk County

Military Road Bridge (Old)
Woodbury County

Military Road Bridge (Older)
Woodbury County

Mill Creek Bridge
Cherokee County

Mill Creek Bridge
Clinton County

Mill Creek Bridge
Cherokee County

Mill Creek Bridge
Cedar County

Mill Race Bridge
Fayette County

Mill Rock Bridge
Jackson County

Mill Slough Covered Bridge
Dallas County

Mill Street Bridge
Tama County

Miller Bridge
Madison County

Millertown Bridge
Jackson County

Millrace Bridge
Iowa County

Millville Road Bridge
Clayton County

MILW - 1st Avenue Overpass
Benton County

MILW - 280th Avenue Overpass
Clay County

MILW - 7th Street Overpass
Linn County

MILW - Adel Bridge (Old)
Dallas County

MILW - Cedar River Bridge
Linn County

MILW - Cedar River Bridge (Original)
Linn County

MILW - Charlotte No. 1 Overpass
Clinton County

MILW - Cone Lake Bridge
Muscatine County

MILW - Cone Lake Bridge (Old)
Muscatine County

MILW - Copper Creek Trestle
Jackson County

MILW - County Road W66 Overpass
Louisa County

MILW - Dry Run Bridge #3
Winneshiek County

MILW - Floyd River Bridge
Woodbury County

MILW - Goose Creek Bridge (E)
Louisa County

MILW - Goose Creek Bridge (W)
Louisa County

MILW - Granger High Bridge
Dallas County

MILW - Honey Creek Bridge
Muscatine County

MILW - Indian Creek Bridge
Story County

MILW - Indian Creek Bridge
Linn County

MILW - Indian Creek Bridge (Old)
Linn County

MILW - Indian Creek Bridge (Old)
Story County

MILW - Iowa River Bridge
Louisa County

MILW - Lincoln Highway Overpass
Boone County

MILW - Lowe Run Bridge
Muscatine County

MILW - Madrid High Bridge (Old)
Boone County

MILW - Main Street Overpass
Clinton County

MILW - Manning Viaduct (Old)
Carroll County

MILW - Mill Creek Bridge
Jackson County

MILW - Millrace Bridge
Wapello County

MILW - Mineral Creek Bridge
Jones County

MILW - Mosquito Creek Bridge #5 (Old)
Pottawattamie County

MILW - Muscatine Slough Bridge
Muscatine County

MILW - North Skunk River Bridge
Marshall County

MILW - North Skunk River Bridge
Keokuk County

MILW - Olin Bridge
Jones County

MILW - Otter Creek Bridge
Tama County

MILW - Oxford Junction Bridge
Jones County

MILW - Paint Creek Bridge #3
Allamakee County

MILW - Paint Creek Bridge #5
Allamakee County

MILW - Paint Creek Bridge #7
Allamakee County

MILW - Pile-Pontoon Bridge
Clayton County

MILW - Pile-Pontoon Bridge (Original)
Clayton County

MILW - Raccoon River Bridge
Carroll County

MILW - Richland Creek Arch
Keokuk County

MILW - Sabula Bridge (Old)
Jackson County

MILW - Simmons Creek Bridge
Linn County

MILW - Simmons Creek Bridge
Linn County

MILW - Skunk River Bridge
Story County

MILW - Skunk River Bridge (Old)
Story County

MILW - South Timber Creek Bridge
Marshall County

MILW - South Timber Creek Bridge
Marshall County

MILW - Stone City Bridge
Jones County

MILW - Tama Millrace Bridge
Tama County

MILW - Tributary of North Skunk River Tributary Culvert #1
Marshall County

MILW - Turkey River Bridge
Clayton County

MILW - Upper Iowa River Bridge (Old)
Allamakee County

MILW - US151 Overpass
Linn County

MILW - Ushers Ferry Road Overpass
Linn County

MILW - Volga River Bridge
Fayette County

MILW - Wolf Creek Bridge
Story County

MILW/RI Overpass
Linn County

Mineral Creek Bridge
Allamakee County

Minerva Creek Bridge
Hardin County

Minerva Creek Bridge
Marshall County

Minerva Creek Bridge
Marshall County

Minerva Creek Bridge
Marshall County

Minerva Creek Bridge
Marshall County

Mint Boulevard Crow Creek Bridge (Old)
Jefferson County

Moneek Bridge
Winneshiek County

Monkey Run Bridge
Louisa County

Monona Township Stone Arch
Clayton County

Monroe Street Bridge
Muscatine County

Monroe Street Bridge (Old)
Muscatine County

Monsrud Bridge
Allamakee County

Montana Road Bridge
Boone County

Montgomery Creek Bridge
Boone County

Monticello Bridge
Jones County

Moon Creek Bridge
Mahaska County

Moore's Ford Bridge
Jones County

Morehead Bridge
Jackson County

Morgan Bridge
Madison County

Mormon Bridge
Pottawattamie County

Moscow Bridge
Muscatine County

MoseMann Bridge
Johnson County

Mosquito Creek Bridge
Dallas County

Motor Mill Bridge
Clayton County

Mount Sterling Bridge
Van Buren County

Mount Vernon Road Bridge (Old)
Linn County

Mt. Auburn Bridge
Benton County

Mt. Vernon Road Spiral Footbridge
Linn County

Mud Creek Bridge
Polk County

Mud Creek Bridge
Benton County

Mud Creek Bridge
Polk County

Mud Creek Bridge
Buchanan County

Mud Creek Bridge
Polk County

Mud Creek Bridge
Polk County

Mud Creek Park Bridge
Henry County

Mullan Avenue Bridge
Black Hawk County

Munger Bridge
Madison County

Murray Bridge
Humboldt County

Muscatine Bridge
Muscatine County

Mystery Bridge
Muscatine County

N&W - Village Creek Bridge
Wapello County

Nashua Bridge
Chickasaw County

NE 102nd Avenue Bridge
Polk County

NE Berwick Drive Bridge
Polk County

NE University Avenue Culvert
Polk County

Nebraska City Railroad Bridge
Fremont County

New Kate Shelley High Bridge
Boone County

New Keokuk-Hamilton Bridge
Lee County

New Oregon Bridge
Howard County

Newburg Bridge
Mitchell County

Newburg Mill Bridge
Mitchell County

Nickel Road Bridge
Clayton County

Ninth Street Viaduct
Polk County

Nishnabotna River Bridge
Crawford County

Nishnabotna River Bridge
Audubon County

Nodaway River Bridge
Adair County

Nodaway River Bridge (Older)
Page County

Noelridge Park Bridge
Linn County

Nora Springs Bridge
Floyd County

Norfolk Creek Bridge
Allamakee County

North Bear Creek Bridge
Winneshiek County

North Branch North River Bridge
Madison County

North Branch North River Bridge
Madison County

North Branch North River Bridge
Madison County

North Bridge
Iowa County

North Bridge
Kossuth County

North Bridge
Butler County

North Bridge
Winnebago County

North Bridge (Old)
Iowa County

North English River Bridge
Poweshiek County

North English River Bridge
Iowa County

North English River Bridge
Poweshiek County

North English River Bridge
Iowa County

North English River Bridge
Iowa County

North Fork Clanton Creek Bridge
Madison County

North Fork Little Maquoketa River Bridge
Dubuque County

North Fork Long Creek Bridge
Washington County

North Fork Long Creek Bridge
Washington County

North Fork Maquoketa River Bridge
Dubuque County

North Fork Maquoketa River Bridge
Jackson County

North Fork Maquoketa River Bridge
Dubuque County

North River Bridge
Madison County

North River Bridge
Warren County

North River Bridge
Madison County

North River Bridge
Madison County

North River Bridge (Old)
Madison County

North Road Bridge (Old)
Story County

North Skunk River Bridge
Mahaska County

North Skunk River Bridge
Jasper County

North Street Bridge
Buchanan County

North Street Bridge #2
Buchanan County

North Wyacondah Creek Bridge
Davis County

NS - Dean Lake Outlet Bridge
Polk County

NS - Fourmile Creek Bridge
Polk County

NS - IA202 Overpass
Appanoose County

Nugents Road Bridge
Linn County

Nutting Creek Bridge
Fayette County

Nutting Creek Bridge
Fayette County

Nutting Creek Bridge
Fayette County

NW 150th Avenue Bridge
Polk County

NW 72nd Place Bridge
Polk County

NW 84th Avenue Arch Bridge
Polk County

Oak Creek Drive Arch Bridge
Linn County

Oak Street Bridge
Hardin County

Oak Street Bridge
Clayton County

Oakland Mills Bridge
Henry County

Oakville Bridge
Louisa County

Ocheydan River Bridge
Clay County

Okamanpedan State Park Bridge
Emmet County

Okoboji Bridge
Dickinson County

Okoboji Bridge
Dickinson County

Okoboji Swing Bridge
Dickinson County

Old 190th Street Bridge
Story County

Old 6 Road Bridge (Near Victor)
Poweshiek County

Old Center Point Road Bridge
Linn County

Old Concrete Box Culvert
Jefferson County

Old Creamery Trail - Chickenman Bridge
Benton County

Old Creamery Trail - Hinkle Creek Bridge
Benton County

Old Creamery Trail - Mosquito Bridge
Benton County

Old Creamery Trail - Pratt Creek Bridge
Benton County

Old Creamery Trail - Stone Culvert
Benton County

Old Creamery Trail Bridge
Benton County

Old Creamery Trail Culvert
Benton County

Old Ely Road Bridge
Johnson County

Old Highland Acres Road Bridge
Marshall County

Old Humpback Bridge
Clay County

Old IA114 West Fork Crooked Creek Bridge
Washington County

Old IA14 Brush Creek Bridge
Marion County

Old IA22 Pine Creek Bridge
Muscatine County

Old IA79 Des Moines River Bridge
Van Buren County

Old IA940 Walnut Creek Bridge
Appanoose County

Old IA979 Cedar River Bridge
Cedar County

Old IA99 Oakville Bridge
Louisa County

Old IA99 Wapello Bridge
Louisa County

Old Keokuk-Hamilton Bridge
Lee County

Old Man's Creek Bridge
Iowa County

Old Mans Creek Bridge
Johnson County

Old Mans Creek Bridge
Iowa County

Old Muscatine Road Bridge
Cedar County

Old Plattsmouth Railroad Bridge
Mills County

Old Portland Road Raccoon River Bridge
Dallas County

Old R16 Culvert
Dallas County

Old Rusty Bridge
Clay County

Old South 6th Street Bridge
Marshall County

Old South Bridge
Mitchell County

Old US 71 West Nodaway River Bridge
Montgomery County

Old US20 Boone River Bridge
Hamilton County

Old US6 Camp Creek Bridge
Polk County

Old US61 Granger Creek Tributary Bridge
Dubuque County

Old US61 North Fork Maquoketa River Bridge
Jackson County

Old US63 Overpass
Wapello County

Oleson Park Bridge
Webster County

Olin Bridge
Jones County

Oneota Drive Bridge
Winneshiek County

Oralabor Gateway Trail - Carney Marsh Culvert
Polk County

Orange Avenue Bridge
Carroll County

Orange Avenue Bridge
Washington County

Orange Avenue Bridge #2
Washington County

Orchard Street Bridge
Poweshiek County

Orleans Bridge
Dickinson County

Osage Bridge
Mitchell County

Osborne Covered Bridge
Clayton County

Otranto Bridge
Mitchell County

Otter Creek Bridge
Fayette County

Otter Creek Bridge
Greene County

Otter Creek Bridge
Lyon County

Otter Creek Bridge
Fayette County

Otter Road Pony Truss Bridge
Fayette County

Ottumwa Wabash Bridge
Wapello County

Our Mother of Sorrows Grotto Bridge
Linn County

Owens Covered Bridge
Polk County

Oxford Mills Bridge
Jones County

P59 Bridge
Humboldt County

Paint Creek Bridge
Allamakee County

Pammel State Park Low Water Crossing
Madison County

Pammel State Park Middle River Bridge
Madison County

Park Avenue Bridge
Black Hawk County

Park Drive Bridge
Buchanan County

Park Road Bridge
Johnson County

Park Road Bridge (Older)
Johnson County

Patterson Creek Bridge
Allamakee County

Payton Avenue Bridge
Polk County

Pedestrian Arch Bridge
Buchanan County

Pella Double Leaf Bascule Bridge
Marion County

Pennsylvania Avenue Bridge
Cerro Gordo County

Peterson Bridge
Clay County

Phelps Park Bridge
Winneshiek County

Philipps Mill Bridge
Floyd County

Phoenix Avenue Bridge
Carroll County

Picayune Creek Bridge
Johnson County

Pickeral Run Bridge
Clay County

Pilot Grove Park Bridge
Montgomery County

Pine Creek Bridge
Buchanan County

Pine Creek Grist Mill Bridge
Muscatine County

Pine Lake State Park Bridge
Hardin County

Pipeline 60th Avenue Overpass
Linn County

Plainfield Bridge
Bremer County

Plattsmouth Bridge
Mills County

Plattsmouth Railroad Bridge
Mills County

Plum Creek Bridge
Kossuth County

Plum Creek Truss Bridge
Johnson County

Polk Avenue Bridge
Plymouth County

Potato Farm Road Bridge
Pocahontas County

Potter's Mill Bridge
Jackson County

Prairie Bridge
Clayton County

Prairie Bridges Park Pony Bridge
Franklin County

Prairie Creek Bridge
Humboldt County

Prairie Creek Bridge
Jackson County

Prairie Creek Bridge
Dubuque County

Prairie Creek Bridge
Humboldt County

Prairie Creek Bridge
Dubuque County

Prairie Creek bridge
Humboldt County

Prairie Creek bridge
Humboldt County

Prairie Creek Bridge
Linn County

Prairie Creek Bridge
Delaware County

Prairie Creek bridge C20
Humboldt County

Prairie Dog Avenue Bridge
Union County

Pratt Creek Bridge
Benton County

Price Creek Bridge
Iowa County

Price Creek Bridge
Iowa County

Prospect Street Bridge
Benton County

Quail Avenue Bridge
Butler County

Quaker Mill Bridge
Delaware County

Quarry Bridge
Marshall County

Quarry Road Bridge
Plymouth County

Quasqueton Avenue Bridge
Buchanan County

Quasqueton Bridge
Buchanan County

Quebec Avenue Bridge
Humboldt County

Queens Avenue Bridge
Mahaska County

Quimby Bridge
Cherokee County

Quinn Creek Bridge
Fayette County

Quinn Creek Bridge
Fayette County

Qw Lane Overpass
Boone County

R Avenue (Rustic Road) Bridge
Fayette County

Raccoon River Bridge
Dallas County

Raccoon River Bridge
Dallas County

Raccoon River Bridge
Dallas County

Raccoon River Covered Bridge (1st)
Polk County

Raccoon River Covered Bridge (2nd)
Polk County

Railroad Lane Bridge
Allamakee County

Railroad Street Bridge
Benton County

Rainbow Bridge
Hardin County

Read Township Stone Arch
Clayton County

Red Bridge
Story County

Red Bridge
Polk County

Red Bridge
Chickasaw County

Red Bridge
Allamakee County

Red Bridge
Jasper County

Red Bridge Road Bridge
Linn County

Red Rock Bridge
Marion County

Red Rock Dam
Marion County

Rhine Creek Bridge
Johnson County

RI - 3rd Street Overpass (Lower Level Yard Spur)
Scott County

RI - Big Bend Bridge
Fayette County

RI - Cedar Creek Bridge
Jefferson County

RI - Cedar River Bridge
Cedar County

RI - Chariton River Bridge (Old)
Appanoose County

RI - Chippewa Creek Bridge
Wapello County

RI - Chippewa Trestle
Wapello County

RI - Columbus Junction Railroad Bridge (Old)
Louisa County

RI - Concrete Culvert
Buchanan County

RI - County Road W55/Wayland Road Overpass
Washington County

RI - Crow Creek Arch Bridge
Jefferson County

RI - CRX17 Overpass
Louisa County

RI - Des Moines River Bridge (Old)
Polk County

RI - Dows Bridge (N)
Franklin County

RI - Dows Bridge (S, Old)
Franklin County

RI - Drainage Tube Culvert
Linn County

RI - Dry Branch Creek Bridge #2
Des Moines County

RI - Dry Branch Creek Bridge #3
Des Moines County

RI - Dry Run Bridge
Fayette County

RI - East Branch Blue Creek Bridge
Linn County

RI - East Branch West Nishnabotna River Bridge
Pottawattamie County

RI - East Nishnabotna River Bridge
Pottawattamie County

RI - Eldon Rail Bridge
Wapello County

RI - Eldon Rail Bridge (Old)
Wapello County

RI - Flood Creek Bridge (Old)
Butler County

RI - Fourmile Creek Bridge
Polk County

RI - Fox River Bridge
Davis County

RI - Fox River Bridge #2
Appanoose County

RI - Fox River Bridge #3
Appanoose County

RI - Hazelton Creek Bridge
Buchanan County

RI - Hockeys Slough Tributary Bridge
Muscatine County

RI - IA1 Overpass
Jefferson County

RI - IA2 Overpass
Appanoose County

RI - Iowa River Bridge (Old)
Johnson County

RI - Lick Creek Bridge (Kilbourne)
Van Buren County

RI - Lingel Creek Bridge
Johnson County

RI - Lost Creek Trestle #1
Buchanan County

RI - Lost Creek Trestle #2
Buchanan County

RI - Lost Tributary of South Fork Middle River Bridge
Guthrie County

RI - Mad Creek Bridge #4
Muscatine County

RI - Mad Creek Bridge (Old)
Muscatine County

RI - Millrace Bridge (W)
Black Hawk County

RI - Moscow Bridge (Old)
Muscatine County

RI - Mosquito Creek Bridge
Pottawattamie County

RI - Nelson Creek Bridge
Linn County

RI - North Fork Long Creek Bridge
Washington County

RI - North Fox Creek Bridge
Davis County

RI - North River Bridge
Warren County

RI - Otter Creek Bridge
Linn County

RI - Otter Creek Trestle
Buchanan County

RI - Packinghouse Bridge (Old)
Linn County

RI - Randalia Bridge
Fayette County

RI - Rock Creek Arch Bridge
Muscatine County

RI - Rock Creek Bridge
Cedar County

RI - Skunk River Bridge
Washington County

RI - Skunk River Bridge (Old)
Washington County

RI - Skunk River Bridge (Older)
Washington County

RI - Small Stream Bridge
Black Hawk County

RI - Soap Creek Bridge
Davis County

RI - South Beaver Creek Bridge #3
Grundy County

RI - South Beaver Creek Bridge #4
Hardin County

RI - South Fork Long Creek Bridge
Washington County

RI - South Skunk River Bridge
Mahaska County

RI - Stone Culvert
Buchanan County

RI - Stone Culvert
Linn County

RI - Strip Creek Trestle
Van Buren County

RI - Stump Creek Bridge
Van Buren County

RI - Tributary of Silver Creek Bridge
Shelby County

RI - Turkey River Bridge
Fayette County

RI - US20 Ovperass (N)
Hardin County

RI - US34 Overpass
Jefferson County

RI - US63 Overpass (Old)
Davis County

RI - Walnut Creek Bridge
Washington County

RI - Wapsinonoc Creek Bridge
Muscatine County

RI - Wapsipinicon River Bridge (Independence)
Buchanan County

RI - Waspinicon River Bridge (Independence, Old)
Buchanan County

RI - West Fork Crooked Creek Bridge
Washington County

RI - West Otter Creek Bridge
Linn County

RI - West Otter Creek Bridge #2
Linn County

RI - Wolf Creek Bridge
Tama County

RI - Xenia Avenue Overpass
Calhoun County

RI Wilton Line - Mad Creek Bridge (Old)
Muscatine County

RI/CNW Overpass
Linn County

RI/IC Interchange Bridge
Buchanan County

Richland Creek Bridge
Tama County

Richland Creek Bridge
Tama County

Rider Way Bridge
Polk County

Ridge Road Bridge
Marshall County

Ridgeway Bridge
Winneshiek County

Rio Grande Creek/ Ohio Avenue Bridge
Lyon County

Rippey Railroad Right-of-Way - Snake Creek Bridge
Greene County

River Park Bridge
Wright County

River Street Bridge
Floyd County

River Street Bridge
Hardin County

River Street Bridge (Old)
Hardin County

Riverside Bridge
Washington County

Riverside Park Drive Bridge
Polk County

Riverside Trail - Small Stream Bridge
Washington County

Riverview Park Bridge
Polk County

Robert's Ferry Bridge
Johnson County

Roberts Creek Bridge
Clayton County

Robin Avenue Bridge
Carroll County

Rochester Avenue Bridge
Johnson County

Rochester Bridge
Cedar County

Rochester Road Bridge (Old)
Johnson County

Rock Creek Bridge
Wapello County

Rock Creek Bridge
Keokuk County

Rock Creek Bridge
Van Buren County

Rock Cut Bridge (Older)
Fayette County

Rock Cut Bridge (Oldest)
Fayette County

Rock Falls Bridge
Cerro Gordo County

Rock Island Old Stone Arch Nature Trail - Silver Creek Stone Arch Bridge
Shelby County

Rock Rapids Municipal Utilities Bridge
Lyon County

Rock River Suspension Bridge
Lyon County

Rock Valley Bridge
Marshall County

Rockdale Mill Bridge
Dubuque County

Rockdale Stone Arch
Dubuque County

Rockdale Viaduct
Dubuque County

Rockford Brick & Tile Company Trail Bridge
Floyd County

Rockford Bridge
Floyd County

Rockford Bridge (1st)
Floyd County

Rockwell City Bridge
Calhoun County

Roger Avenue Bridge
Polk County

Rolling Prairie Trail - Shell Rock River Bridge
Butler County

Rolling Prairie Trail - West Fork Cedar River Bridge
Butler County

Rome Bridge
Henry County

Rose-Dunmire Bridge
Madison County

Rosedale Road Bridge
Linn County

Roseman Covered Bridge
Madison County

RRVT - Adel Bridge
Dallas County

RRVT - Mosquito Creek Bridge
Dallas County

RRVT - Neola Avenue Overpass
Greene County

RRVT - Raccoon River Bridge (Near Jefferson)
Greene County

RRVT - Raccoon River Bridge (Perry)
Dallas County

RRVT - Unnamed Stream Bridge
Dallas County

Rubio Bridge
Washington County

Ruggles' Ford Bridge
Floyd County

Running Slough Bridge
Jackson County

Russell Boulevard Overpass
Lucas County

Russell White Nature Trail - Raccoon River Bridge
Carroll County

Rutland Bridge
Humboldt County

Rutland bridge over W. Fork Des Moines River
Humboldt County

Rutledge Overpass
Wapello County

Salt Creek Bridge
Tama County

Salt Creek Bridge
Tama County

Salt Creek Bridge
Tama County

Salt Creek Bridge
Tama County

Sandbar Slough Crossing (New)
Dickinson County

Sandbar Slough Crossing (Old)
Dickinson County

Sanitarium Bridge
Story County

Sans Souci Bridge
Black Hawk County

Sans Souci Bridge (Oldest)
Black Hawk County

Saulsbury Bridge
Muscatine County

Savanna Sabula Rt 52&64 replacement
Jackson County

Savanna-Sabula Bridge
Jackson County

Scarlet Avenue Bridge
Davis County

Scenic River Road Bridge
Winneshiek County

School Street Bridge
Warren County

Scott Avenue Bridge
Polk County

Scrapped Pony Truss
Clayton County

SE 52nd Street Bridge
Polk County

SE 6th Street Bridge
Polk County

SE 6th Street Bridge (Old)
Polk County

SE 9th Street Bridge
Polk County

Searsboro Bridge
Poweshiek County

Second Bridge
Scott County

Sells Street Bridge
Benton County

Shaw Road Bridge
Jones County

Shell Rock Bridge
Butler County

Shell Rock River Bridge
Cerro Gordo County

Shell Rock River Bridge
Butler County

Shell Rock River Bridge
Cerro Gordo County

Shell Rock River Bridge (Old)
Worth County

Shell Rock River Bridge (Older)
Worth County

Shell Rock River Crossing
Floyd County

Shenandoah Bridge
Page County

Sheridan Avenue Bridge
Humboldt County

Sherman's Bridge
Floyd County

Shortline Yard Footbridge
Polk County

Shot Tower Bridge
Dubuque County

Side Ditch Entrance Bridge
Dubuque County

Sidney Street Bridge
Lyon County

Simpson Bridge
Muscatine County

Sioux City Service Co. - Floyd River Bridge
Woodbury County

Sioux Rapids Bridge
Buena Vista County

Siouxland Veterans Memorial Bridge
Woodbury County

SIRy - Cooper Creek Trestle
Appanoose County

SIRy/MILW Overpass
Appanoose County

Sixth Street Viaduct
Des Moines County

Skunk River Bowstring
Keokuk County

Skunk River Bridge
Des Moines County

Skunk River Bridge
Story County

Skybridge
Scott County

Slough Bridge
Muscatine County

Smithland Bridge
Woodbury County

Snider Bridge
Adams County

Snipe Creek Bridge
Marshall County

Snyder Bridge
Polk County

Soap Creek Bridge
Lee County

Soper's Mill Bridge
Story County

South Avery Creek Bridge
Wapello County

South Avery Creek Bridge
Wapello County

South Branch Salt Creek Bridge
Tama County

South Bridge
Franklin County

South Bridge
Pottawattamie County

South Chariton Bridge
Wayne County

South Chariton River Bridge
Wayne County

South Chequest Lake Creek Bridge
Davis County

South Duff Avenue Bridge (Old)
Story County

South English River Bridge
Keokuk County

South English River Bridge
Keokuk County

South Fork Bridge
Hardin County

South Fork Maquoketa River Bridge
Buchanan County

South Omaha Bridge
Pottawattamie County

South Raccoon River Bridge
Guthrie County

South River (CSAH R- 57) Bridge
Warren County

South River Bridge
Warren County

South River Bridge
Warren County

South Skunk River Bridge
Jasper County

South Skunk River Bridge
Polk County

South Skunk River Bridge
Jasper County

South Skunk River Bridge
Hamilton County

South Timber Creek Bridge
Marshall County

South White Breast Creek Bridge
Clarke County

South Wyacondah Ditch Bridge
Davis County

South Wyacondah Ditch Bridge
Davis County

South Wyacondah Ditch Bridge
Davis County

Spencers Grove Covered Bridge
Benton County

Spring Creek Bridge
Buchanan County

Spring Creek Bridge
Cerro Gordo County

Spring Creek Bridge
Cerro Gordo County

Spring Hill Bridge
Warren County

Springbrook State Park Lake Spillway Footbridge
Guthrie County

Springville Public Drive Bridge
Linn County

Squaw Creek Bridge
Boone County

Squaw Creek Footbridge
Story County

Squaw Creek Park Bridge
Linn County

Squaw Creek Park Culvert
Linn County

Squaw Creek Park Trail Bridge
Story County

St. Francisville Bridge
Lee County

St. Johns Bridge
Bremer County

St. Johns Road Bridge
Polk County

Stange Road Bridge
Story County

Stanley Mill Bridge
Marshall County

State Access Road Arch Bridge
Jones County

State Street Arch Bridge
Cerro Gordo County

State Street Overpass
Boone County

Steamboat Rock Bridge
Hardin County

Stennett Bridge
Montgomery County

Stewart Avenue Bridge
Cerro Gordo County

Stewart Street Bridge
Cerro Gordo County

Steyer Bridge
Winneshiek County

Stickle Bridge
Marion County

Stoe Creek Bridge
Fayette County

Stone Bridge
Boone County

Stone City Bridge
Jones County

Stonebridge Road Culvert
Polk County

Stoney Creek 290th Street Bridge
Clay County

Stoney Creek 300th Street Bridge
Clay County

Stoney Creek 310th Street Bridge
Clay County

Stony Creek Bridge
Poweshiek County

Storm Creek Bridge
Carroll County

Storm Lake Inlet Bridge
Buena Vista County

Story City Arch Bridge
Story County

Stump Creek Bridge
Van Buren County

Sugar Creek Bridge
Muscatine County

Summer Creek Bridge
Van Buren County

Summerset Trail - Middle River Bridge
Warren County

Sumner Avenue Bridge
Humboldt County

Sumner Bridge
Bremer County

Supple Ford Bridge
Jones County

Sutliff Bridge
Johnson County

SW 2nd Street Bridge
Polk County

SW 520th Street Bridge
Johnson County

SW 63rd Street Bridge
Polk County

SW 7th Street Bridge
Polk County

SW 9th Street Bridge
Polk County

SW 9th Street Bridge
Polk County

Swensrud Park Bridge
Worth County

Swensrud Refuge Bridge
Worth County

Swinging Bridge
Story County

T-Bone Trail - E. Nishnabotna River Bridge
Audubon County

T-Bone Trail - Sifford Creek Bridge
Audubon County

Tama Bridge
Tama County

Tama Lincoln Highway Bridge
Tama County

Tanglewood Road Bridge
Scott County

Tarkio River Bridge
Montgomery County

Tavener's Bridge
Winneshiek County

Taylor Bridge
Cerro Gordo County

Taylor's Ford Bridge
Buchanan County

Teilbur Bridge
Clay County

Ten Mile Creek Bridge
Winneshiek County

Ten Mile Creek Bridge
Winneshiek County

Tenville Bridge
Montgomery County

Teter Creek Bridge
Marion County

Thayer Avenue Bridge
Muscatine County

The Bridge to Nowhere
Madison County

The Steel Bridge
Davis County

The Wood Bridge
Davis County

Third Street Bridge (Old)
Webster County

Thomas Mitchell Park Low Water Bridge
Polk County

Thomas Street Bridge
Adair County

Thor blacktop bridge
Humboldt County

Thunder Bridge
Clay County

Thunderwoman Park Bridge
Black Hawk County

Tice Bridge
Muscatine County

Timber Avenue Bridge
Van Buren County

Toddtown Bridge
Louisa County

Toledo Bridge
Tama County

Tom Creek Bridge
Madison County

Toronto Bridge
Clinton County

Traer Street Bridge
Butler County

Tremaine Bridge
Hamilton County

Trestle-to-Trestle Trail - Beaver Creek Bridge
Polk County

Tributary of North Skunk River
Marshall County

Tributary of Skunk River Bridge
Polk County

Tripoli Bridge
Bremer County

Trolley Car Trail - Trolley Bridge
Black Hawk County

Troublesome Creek Bridge
Audubon County

Troublesome Creek Bridge
Audubon County

Troublesome Creek Bridge
Audubon County

Troy Mills Bridge
Linn County

Tunnel Mill Bridge
Hamilton County

Turkey Creek Bridge
Cass County

Turkey River Bridge
Winneshiek County

Turkey River Bridge
Fayette County

Twelfth Avenue Bridge
Linn County

Twin Bridge
Fayette County

Twin Bridges
Winneshiek County

Two Mile North/ Golf Course Bridge
Lyon County

U Ave Bridge
Dallas County

UI Spiral Footbridge
Johnson County

Underwood Avenue Bridge
Marshall County

Union Mill Bridge
Hardin County

Union Station (Unbuilt)
Polk County

Union Trail - Little Sioux River Bridge
Woodbury County

University Avenue Bridge
Polk County

Unnamed Branch of Honey Creek Bridge
Louisa County

Unnamed bridge over drainage ditch
Humboldt County

Unnamed Bridge over drainage ditch
Humboldt County

Unnamed bridge over drainage ditch
Humboldt County

Unnamed Bridge over drainage ditch
Humboldt County

Unnamed bridge over drainage ditch
Humboldt County

Unnamed concrete bridge over drainage ditch
Humboldt County

Unnamed Creek Bridge
Dubuque County

Unnamed Creek Bridge
Davis County

UP - .Timber Creek Bridge (N)
Marshall County

UP - 135th Street Overpass
Mahaska County

UP - 13th Avenue Drive Overpass
Benton County

UP - 13th Avenue Overpass
Benton County

UP - 13th Street Overpass
Story County

UP - 250th Street Overpass
Kossuth County

UP - 25th Place Overpass
Marion County

UP - 2nd Avenue Overpass
Poweshiek County

UP - 2nd Street Overpass
Hamilton County

UP - 300th Street Overpass
Cerro Gordo County

UP - 3rd Street Bridge
Story County

UP - 500th Avenue Overpass
Boone County

UP - 6th Street Overpass
Story County

UP - 77th Street Overpass
Benton County

UP - Abbe Creek Bridge
Linn County

UP - Armstrong Rail Bridge
Emmet County

UP - Bacon Creek Bridge
Woodbury County

UP - Beaver Creek Bridge
Boone County

UP - Benton Street Subway
Boone County

UP - Big Creek Bridge
Linn County

UP - Blair Bridge
Harrison County

UP - Blair Bridge (Old)
Harrison County

UP - Boone River Bridge
Hamilton County

UP - Boyer River Bridge (Near Denison)
Crawford County

UP - Boyer River Bridge (Near Dow City)
Crawford County

UP - Boyer River Bridge (Near Dunlap)
Harrison County

UP - Boyer River Bridge (Near Missouri Valley)
Harrison County

UP - Bridge #103.77
Benton County

UP - Bridge #109.90
Story County

UP - Bridge #113.86
Benton County

UP - Bridge #173.17
Story County

UP - Briggs Woods Bridge
Hamilton County

UP - Buckeye Creek Stone Arch
Benton County

UP - Butcher Creek Bridge
Warren County

UP - Buttermilk Creek Stone Arch Bridge
Wright County

UP - Cedar River Bridge
Linn County

UP - Cedar River Bridge (Tait Cummings)
Linn County

UP - Clear Creek Stone Arch
Story County

UP - Clinton Bridge (West Channel)
Clinton County

UP - Concrete Culvert
Linn County

UP - Coon Creek Bridge
Marion County

UP - Davidson Creek Bridge
Marshall County

UP - Deer Creek Branch Bridge
Polk County

UP - Deer Creek Bridge
Tama County

UP - Des Moines River Bridge (Hartford Avenue)
Polk County

UP - Devils Hollow Bridge
Story County

UP - Drainage Bridge
Linn County

UP - Drainage Bridge
Linn County

UP - Drainage Bridge
Pottawattamie County

UP - Drainage Bridge #2
Linn County

UP - Drainage Ditch Bridge
Black Hawk County

UP - E. Fork Des Moines River Bridge
Kossuth County

UP - Eagle Creek Bridge
Wright County

UP - East Branch Boyer River Bridge
Crawford County

UP - East Fork Des Moines River Bridge (SE of Livermore)
Humboldt County

UP - East Indian Creek Tributary Bridge
Story County

UP - East University Avenue Overpass
Polk County

UP - Eddyville Rail Bridge
Monroe County

UP - Elk Run Bridge
Black Hawk County

UP - Estherville Railroad Bridge
Emmet County

UP - Euclid Avenue Overpass
Polk County

UP - Field Trestle
Marshall County

UP - Fourmile Creek Bridge
Polk County

UP - Grand Avenue Overpass
Story County

UP - Haber Road Overpass
Story County

UP - Honey Creek Bridge
Hardin County

UP - Horse Tunnel
Story County

UP - IA 5 Overpass
Warren County

UP - IA-14 Overpass
Wayne County

UP - IA-2 Overpass
Wayne County

UP - IA-4 Overpass
Emmet County

UP - IA-9 Overpass
Emmet County

UP - IA146 Overpass
Poweshiek County

UP - IA175 Overpass
Hardin County

UP - IA415 Overpass
Polk County

UP - IA92 Overpass
Warren County

UP - Indian Creek Bridge
Linn County

UP - Indian Creek Bridge
Pottawattamie County

UP - Indian Creek Bridge EB (11th Street)
Pottawattamie County

UP - Indian Creek Bridge WB (11th Avenue)
Pottawattamie County

UP - Industrial Park Bridge
Monroe County

UP - Iowa Falls Rail Crossing
Hardin County

UP - Iowa River Bridge (Iowa Falls)
Hardin County

UP - Iowa River Crossing
Hardin County

UP - Iowa River Tributary Bridge
Marshall County

UP - Jordan Avenue Overpass
Greene County

UP - Jordan Creek Bridge (E)
Polk County

UP - Jordan Creek Bridge (W)
Polk County

UP - Kaster Avenue Overpass
Wayne County

UP - Keigly Creek Stone Arch
Story County

UP - Lincoln Highway Overpass
Story County

UP - Lincoln Highway Overpass (State Center)
Marshall County

UP - Linn Creek Branch Bridge
Marshall County

UP - Linn Creek Bridge (N)
Marshall County

UP - Linn Creek Bridge (S)
Marshall County

UP - Linn Creek Crossing
Marshall County

UP - Linn Creek Trbutary Crossing
Marshall County

UP - Lisbon Street Overpass
Marion County

UP - Little Sioux River Bridge
Harrison County

UP - Little White Breast Creek Bridge
Lucas County

UP - Lizard Creek Bridge
Webster County

UP - Lockman Trestle
Monroe County

UP - Middle Raccoon River Bridge
Carroll County

UP - Middle River Bridge
Warren County

UP - Miller Creek Bridge #1
Monroe County

UP - Miller Creek Bridge #2
Monroe County

UP - Miller Creek Bridge #3
Monroe County

UP - Miller Creek Bridge #4
Monroe County

UP - Miller Creek Bridge #5
Monroe County

UP - Miller Creek Bridge #6
Monroe County

UP - Minerva Creek Bridge
Hardin County

UP - Muchakinock Creek Bridge
Mahaska County

UP - Muchakinock Creek Bridge #2
Mahaska County

UP - Mud Creek Bridge
Kossuth County

UP - Mud Creek Stone Arch
Hamilton County

UP - Newbold Street Overpass
Marion County

UP - North Raccoon River Bridge
Greene County

UP - North River Bridge
Warren County

UP - North Skunk River Bridge
Poweshiek County

UP - North Timber Creek Arch Bridge
Marshall County

UP - Ogden Stone Arch Bridge
Boone County

UP - Omaha Railroad Bridge
Pottawattamie County

UP - Omaha Railroad Bridge (1st)
Pottawattamie County

UP - Omaha Railroad Bridge (2nd)
Pottawattamie County

UP - Oskaloosa Rail Crossing (E)
Mahaska County

UP - Oskaloosa Rail Crossing (W)
Mahaska County

UP - Overpass near Radcliffe
Hardin County

UP - Pigeon Creek Bridge
Pottawattamie County

UP - Prairie Creek Bridge #1
Benton County

UP - Prairie Creek Bridge #4
Linn County

UP - Pratt Street Overpass
Marion County

UP - Raccoon Road Overpass
Wayne County

UP - Richards Creek Arch
Story County

UP - Rock Creek Arch Bridge
Cedar County

UP - Small Stream Arch
Linn County

UP - Small Stream Culvert
Linn County

UP - Soldier River Bridge
Harrison County

UP - South Fork Iowa River Bridge
Hardin County

UP - South River Bridge
Warren County

UP - South Skunk River Bridge
Story County

UP - South Skunk River Bridge
Mahaska County

UP - Squaw Creek Bridge
Story County

UP - Stange Road Overpass
Story County

UP - Stone Arch
Linn County

UP - Timber Creek Bridge (S)
Marshall County

UP - Tipton Creek Bridge
Hardin County

UP - Tributary Bridge
Polk County

UP - US-34 Overpass
Lucas County

UP - US-65 Overpass
Hardin County

UP - US-65 SB Overpass
Cerro Gordo County

UP - US18 Overpass
Cerro Gordo County

UP - US65 Overpass
Story County

UP - W. Indian Creek Bridge (N)
Story County

UP - W. Indian Creek Bridge (S)
Story County

UP - Wapsipinicon River Bridge
Clinton County

UP - Webb High Bridge
Clay County

UP - West Beaver Creek Bridge
Greene County

UP - West Fork Des Moines River Bridge
Emmet County

UP - West Fork Des Moines River Bridge
Palo Alto County

UP - Western Hills Creek Bridge
Polk County

UP - White Breast Creek Bridge
Marion County

UP - White Oak Creek Bridge
Polk County

UP - Willow River Bridge
Harrison County

UP - Winnebago River Bridge
Cerro Gordo County

UP - X Avenue Overpass
Boone County

UP/DCI Overpass
Polk County

UP/DM&E - 2nd Street Subway
Clinton County

UP/DM&E - 4th Street Subway
Clinton County

Upper Bluffton Bridge
Winneshiek County

Upper Paris Bridge
Linn County

Upper Soldier Ditch Bridge
Monona County

Urbana Bridge
Benton County

US151 East Big Creek Bridge (Old)
Linn County

US169 Des Moines River Marsh Arch Bridge
Kossuth County

US169 East Fork Des Moines River Bridge (N)
Kossuth County

US169 East Fork Des Moines River Bridge (S)
Kossuth County

US169 Raccoon River Bridge
Dallas County

US18 Rock Valley Bridge (Old)
Sioux County

US18 Turkey River Bridge (Old)
Fayette County

US18 Turkey River Bridge (Older)
Fayette County

US20 Boone River Bridge (Old)
Hamilton County

US218 Cedar River Bridge
Black Hawk County

US218 Drainage Bridge
Johnson County

US218 Floyd Bridge
Floyd County

US218 McAllister Creek Bridge
Johnson County

US30 Boyer River Bridge (Old)
Harrison County

US32 Small Stream Bridge
Jasper County

US32 Sugar Creek Tributary Culvert
Poweshiek County

US34 Skunk River Bridge (Old)
Henry County

US59 Little Sioux River Bridge
Cherokee County

US59 Maple River Bridge (Old)
Ida County

US59 Mill Creek High Bridge
Cherokee County

US6 Adel Bridge (Old)
Dallas County

US6 Broadway Viaduct
Pottawattamie County

US6 Cedar River Bridge (Old)
Muscatine County

US6 Marble Creek Bridge
Iowa County

US6 Middle River Bridge (Old)
Guthrie County

US6 Overpass
Muscatine County

US6 West Wapsinonoc Creek Truss
Muscatine County

US61 Des Moines River Bridge (Old)
Lee County

US61 Farmers Creek Bridge
Jackson County

US61 Iowa River Bridge (Old)
Louisa County

US63 Iowa River Bridge (Old)
Tama County

US63 Upper Iowa River Bridge
Howard County

US65 Iowa River Bridge
Hardin County

US65 Winnebago River Bridge
Cerro Gordo County

US69 Des Moines River Bridge
Polk County

US69 Walnut Creek Bridge
Story County

US71 Little Sioux River Bridge
Buena Vista County

Valleyview Trail Bridge
Madison County

Vander Veer Park Footbridge
Scott County

Veenker Memorial Golf Course Bridge
Story County

Veenker Memorial Golf Course Low Water Crossing
Story County

Veenker Memorial Golf Course Pony Truss
Story County

Veenker Memorial Golf Course Suspension Bridge
Story County

Velvetleaf Avenue Overpass
Jefferson County

Vernon Bridge
Howard County

Veterans Park Bridge
Carroll County

Victor Avenue Bridge
Buchanan County

Victor Avenue RR Overpass
Buchanan County

Viele Bridge
Lee County

Village Creek Bridge
Allamakee County

Village Creek Bridge
Wapello County

Villisca Overpass
Montgomery County

Vine Street Bridge
Fayette County

Vine Street Bridge
Wapello County

Vine Street Bridge
Linn County

Vinton Bridge
Benton County

Vinton Ditch Culvert
Linn County

Vinton Street Bridge
Linn County

Wabash - Branch of Spring Creek Bridge
Polk County

Wabash - Cedar Creek Bridge (Old)
Marion County

Wabash - English Creek Bridge
Marion County

Wabash - Hastie Crossing (Old)
Polk County

Wabash - Jaguar Trail Overpass
Davis County

Wabash - Soap Creek Bridge
Davis County

Wabash - Spring Creek Bridge
Polk County

Wabash - Watersheke Creek Bridge
Marion County

Wabash Des Moines River Bridge
Marion County

Wabash Railroad Bridge #2895
Marion County

Wabash Railroad Bridge #2917
Marion County

Wabash Railroad Bridge #2924
Marion County

Wabash Railroad Bridge #2938
Marion County

Wabash Trace Nature Trail - Mosquito Creek Bridge
Pottawattamie County

Wabash Trace Nature Trail - Silver Creek Bridge
Mills County

Wabash Trace Nature Trail - Snake Creek Bridge (1)
Mills County

Wabash Trace Nature Trail - Walnut Creek Bridge
Fremont County

Wabash Trace Nature Trail - West Nishnabotna River Bridge
Mills County

Wabash Trace Nature Trail - West Tarkio Creek Bridge
Page County

Wabash/CBQ Overpass
Monroe County

Waddell Pony Truss Bridge
Fayette County

Wagon Bridge
Fremont County

Wagon Wheel Bridge
Boone County

Walking Trail Bridge
Story County

Walnut Creek Bridge
Poweshiek County

Walnut Creek Bridge
Jones County

Walnut Street Bridge
Polk County

Walnut Street Bridge (1st)
Polk County

Walnut Street Bridge (2nd)
Polk County

Walnut Street Bridge (3rd)
Polk County

Wapello Bridge
Louisa County

Wapsi Oaks Calamus Creek Bridge
Clinton County

Wapsi-Y Road Bridge
Linn County

Wapsie-Great Western Line Trail - Wapsipinicon River Tributary Bridge
Mitchell County

Wapsie-Great Western Line Trail - Watson Creek Bridge
Howard County

Wapsipinicon River Bridge
Howard County

Wapsipinicon River Bridge
Jones County

Wapsipinicon River Bridge
Black Hawk County

Wapsipinicon State Park Bridge #2
Jones County

Ward and Teslow Bridge
Winneshiek County

Warford Street Bridge
Dallas County

Washington Avenue Bridge
Hardin County

Washington Mill Bridge
Dubuque County

Washington Street Stone Arch
Black Hawk County

Waterworks Park Bridge
Polk County

Waubeek Bridge
Linn County

Waubonsie Bridge
Fremont County

Waubonsie Trail Bridge
Ringgold County

Waukon Junction Bridge
Allamakee County

Waverly Junction Bridge
Bremer County

Waverly Rail Trail - Cedar River Bridge
Bremer County

WCFN - Cedar River Tributary Bridge
Bremer County

WCFN - Dry Run Bridge
Black Hawk County

WCFN - Sans Souci Bridge
Black Hawk County

WCFN - Sans Souci Bridge (Old)
Black Hawk County

WCFN - Sans Souci Cut-Off Bridge
Black Hawk County

Webster Bridge
Hardin County

Webster Street Overpass
Marshall County

Weed Park Lagoon Bridge
Muscatine County

Welch Avenue College Creek Bridge
Story County

West 4th Street Bridge
Clay County

West Auburn Bridge
Fayette County

West Bend Bridge
Palo Alto County

West Branch Indian Creek Bridge
Story County

West Branch Indian Creek Bridge
Story County

West Branch Wapsinonoc Creek Bridge
Cedar County

West Bridge
Butler County

West Cemetery Road Bridge
Linn County

West Coolbaugh Street Bridge (Old)
Montgomery County

West Durham Covered Bridge
Marion County

West Fork Cedar River Bridge
Butler County

West Fork Crooked Creek Bridge
Washington County

West Fork Nodaway River Bridge
Adair County

West Fork Nodaway River Bridge
Adair County

West Fork West Nishnabotna River Bridge
Crawford County

West Lake Okoboji Outlet Bridge
Dickinson County

West Main Littleport Street Bridge
Clayton County

West Mitchell Bridge
Mitchell County

West Nishnabotna River Bridge
Pottawattamie County

West Nodaway River Bridge
Montgomery County

West Street Bridge
Buchanan County

Westcott Street Bridge (Old)
Woodbury County

Westcott Street Bridge (Older)
Woodbury County

Westfield Bridge
Fayette County

Whiskey Creek Bridge
Washington County

White Breast Creek Bridge
Clarke County

White Breast Creek Bridge
Lucas County

White Bridge
Lyon County

White Water Creek Bridge
Dubuque County

White Water Creek Bridge
Dubuque County

Whitebreast Creek Bridge
Lucas County

Whitebreast Creek Bridge
Lucas County

Whitmore Mill Bridge
Mahaska County

Wilcox Game Preserve Covered Bridge
Marion County

Wild Cat Creek Bridge
Benton County

Wildcat Den Trail Footbridge
Muscatine County

Wildcat Glen Bridge
Hardin County

Wildwood Park Arch Bridge
Floyd County

Wilkinson Pioneer Park Covered Bridge
Cerro Gordo County

Williams Creek Bridge
Washington County

Willis Avenue Bridge
Dallas County

Willow Creek Bridge
Cerro Gordo County

Wilson Street Culvert
Dallas County

Wilton Bridge
Muscatine County

Winnebago River Bridge
Cerro Gordo County

Winnebago River Bridge
Floyd County

Wiscotta Bridge
Dallas County

Wolf Creek Bridge
Henry County

Wolf Creek C Avenue Bridge
Tama County

Wolf Creek E Avenue Bridge
Tama County

Wolf Creek J Avenue Bridge
Tama County

Wolf Creek M Avenue Bridge
Tama County

Wolf Creek W Avenue Bridge
Tama County

Woosley Avenue Pedestrian Bridge
Hamilton County

Y Avenue Bridge
Iowa County

Yarnell Avenue Bridge
Mahaska County

Yates Avenue Overpass
Marshall County

Yellow River Bridge
Allamakee County

Yellow River Bridge
Allamakee County

Yellow Smoke Park Bridge
Crawford County

Yellow Spring Creek Bridge
Des Moines County

Zadie Branch Bridge
Decatur County

Zane Bridge
Calhoun County

Zo-El Annett Woods Suspension Footbridge
Warren County