Gallery of Iowa Bridges

"Flying" Bridge Chickasaw County	"Lionel" Bridge Webster County	10th Avenue Lincoln Highway Bridge Linn County	110th Street Bridge Iowa County
110th Street Bridge Dickinson County	110th Street Bridge Kossuth County	110th Street Bridge Humboldt County	120th Street Bridge Muscatine County
128th Avenue Bridge Winneshiek County	13th Street Overpass Scott County	145th Avenue Bridge Kossuth County	150th Street Bridge Story County
155th Street Bridge Cedar County	160th Street timber bridge Kossuth County	165th Street bridge over drainage ditch Humboldt County	16th Avenue Bridge Linn County
16th Street bridge Page County	16th Street Bridge Story County	170th Street Bridge Story County	180th Avenue Bridge Winneshiek County
180th Street Bridge Dickinson County	180th Street Bridge Clinton County	180th Street Bridge Story County	18th Street Bridge Polk County
1st Avenue Bridge Linn County	1st Street Bridge Floyd County	210th Street Bridge Wright County	210th Street Bridge Cedar County
218th Street Bridge Delaware County	220th Avenue Bridge Kossuth County	231st Street Cedar River Bridge Muscatine County	240th Street Bridge Humboldt County
244th Avenue Bridge Winneshiek 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	280th Street Bridge Story County	285th Avenue Underpass Appanoose County
295th Street Bridge Cerro Gordo County	2nd Avenue Bridge Lyon County	2nd Avenue Bridge Linn County	2nd Street Bridge Buchanan County
2nd Street Iowa River Bridge Louisa County	3 Rivers Trail 1st Avenue Overpass Humboldt County	320th Street Bridge Story County	325th Street Bridge Delaware County
325th Street Bridge Story County	325th Street Bridge Harrison County	34th Street Overpass Polk County	35th Street Overpass Lee County
360th Street Bridge Winneshiek County	3rd Avenue Bridge Linn County	3rd Street Bridge Marshall County	3rd Street Bridge Bremer County
410th Street Bridge Sioux County	465th Street Bridge Pocahontas County	485th Avenue Bridge Palo Alto County	485th Street Bridge Clay County
4th Street Arch Bridge Black Hawk County	4th Street Salt Creek Bridge Tama County	540th Street Overpass Appanoose County	55th Avenue Bridge Warren County
597th Avenue Underpass Story County	5th Avenue Overpass Union County	5th Street Arch Bridge Black Hawk County	5th Street Trail Bridge Polk County
6th Avenue Bridge Polk County	6th Avenue Bridge Linn County	6th Street Bridge Story County	6th Street West Bridge Plymouth County
7th Avenue Bridge Cerro Gordo County	86th Street Overpass Polk County	8th Avenue Bridge Linn County	Abandoned 7th Street S Bridge Webster County
Abandoned CNW Des Moines River Bridge Emmet 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 Pony Truss Wright County	Abandoned Skunk River Railroad Bridge Hamilton County	Abandoned State Street Railroad Bridge Cerro Gordo County	Adair Viaduct Adair County
Adel Bridge Dallas County	Afton Overpass Union County	Ak-sar-ben Bridge Pottawattamie County	Albany Bridge Fayette County
Albright Bridge Hamilton County	Alden Bridge Hardin County	Amana Road Bridge Johnson County	Ames & College Railway Bridge Story County
Anamosa Bridge Jones County	Anderson Bridge Lyon County	Ankeny Luten Arch Polk County	APNC Chariton River Bridge Appanoose County
APNC IA2 Overpass Appanoose County	APNC Moulton Jct. Bridge Appanoose County	APNC Overpass Monroe County	Apple Creek Bridge Linn County
Armstrong Gravel Pit Bridge Emmet County	Arsenal Bridge Scott County	Asher Creek Bridge Marshall County	Ashworth Park Bridge Polk County
B&SV Bass Point High Bridge Boone County	B&SV Des Moines River Bridge Boone County	Backbone State Park Bridge Delaware County	Bank Street Bridge Hamilton County
BCR&N Cedar River Bridge Linn County	Bear Creek Bridge Davis County	Bear Creek Bridge Wapello County	Bear Creek Bridge Van Buren County
Beaver Channel Parkway Bridge Clinton County	Beaver Creek Bridge Boone County	Beaver Creek Bridge Polk County	Beaver Creek Bridge Humboldt County
Beaver Creek Bridge Boone County	Bellefountain Bridge Mahaska County	Belleville Bridge Hamilton County	Bellevue Bridge Mills County
Bennett Viaduct Webster County	Benton Street Bridge Johnson County	Bentonsport Bridge Van Buren County	Berkheimer Bridge Humboldt County
Bertram Road Bridge Linn County	Bevington Bridge Madison County	Big Creek Bridge Boone County	Big Creek Road Bridge Linn County
Big Indian Creek Bridge Van Buren County	Big Slough Creek Bridge Muscatine County	Birdland Park Drive Bridge Polk County	Black Bridge Tama County
Black Hawk Bridge Allamakee County	Blackhawk Bridge Wapello County	Blackhawk Bridge #2 Wapello County	Blaine's Crossing Linn County
Blair Bridge Harrison County	Blair Railroad Bridge Harrison 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	BNSF Big Sioux River Bridge Woodbury County	BNSF Center Street Overpass Carroll County
BNSF Des Moines River Bridge Polk County	BNSF Des Moines River Bridge #2 Lee County	BNSF Devil's Creek Bridge #1 Lee County	BNSF Floyd River Bridge Woodbury County
BNSF Floyd River Bridge #2 Woodbury County	BNSF Four Mile Bridge Wapello County	BNSF Grand River Bridge Union County	BNSF IA25 Overpass Guthrie County
BNSF Indian Creek Bridge Mills County	BNSF Overpass Jefferson County	BNSF Platte River Bridge Union County	BNSF Tarkio River Bridge Montgomery County
BNSF Twelve Mile Creek Bridge Union County	Bob Kerrey Pedestrian Bridge Pottawattamie County	Boone River Bridge Wright County	Booneville Railroad Bridge Dallas County
Bormann Bridge Humboldt County	Boyer River Bridge Sac County	Boyleston Bridge Henry County	Bradford Street Bridge Floyd County
Branch Blue Creek Bridge Linn 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 Mud Creek Bridge Benton County
Branch of Knack Creek bridge Webster County	Branch Patterson Creek Bridge Allamakee County	Branch Raccoon River Bridge Buena Vista County	Branch Yellow River Bridge Allamakee County
Brantingham Street Bridge Floyd County	Bremer Avenue Bridge (Old) Bremer County	Bridge Near Mitchellville Polk County	Bridge over unnamed creek Humboldt County
Bridge to Nowhere Polk County	Bridgeport Bridge Des Moines County	Briggs Woods Bridge Hamilton County	Broadway Line Indian Creek Bridge Pottawattamie County
Broadway Viaduct Pottawattamie County	Brookside Park Suspension Bridge Story County	Browns Bridge Palo Alto County	Brummett Bridge Page County
Buffalo Creek Bridge Jones County	Buffalo Creek Marsh Arch Bridge Kossuth County	Bulger Creek Bridge Dallas County	Bunker Mill Bridge Washington County
Burlingham Road Bridge Linn County	Burlington Rail Bridge Des Moines County	Burlington Street Bridge Johnson County	Burlington Street Bridge Johnson County
Burr Oak Bridge Clay County	Burt County Toll Bridge Monona County	Calamus Creek Lincoln Highway Bridge Clinton County	Canal Street Bridge Harrison County
Canoe Creek Bridge Winneshiek County	Canton Railway Bridge Lyon 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	Cassville Ferry Clayton County
Catfish Creek Railroad Bridge #1 Dubuque County	Catfish Creek Railroad Bridge #2 Dubuque County	CB&Q Des Moines River Bridge Polk County	CB&Q Des Moines River Bridge Polk County
CB&Q Des Moines River Bridge Polk County	CB&Q Grand River Bridge Decatur County	CBC&W Otter Creek Bridge Jackson County	CBQ Overpass Wapello County
Cedar Bluff Bridge Cedar County	Cedar Covered Bridge Madison County	Cedar Creek Bridge Wapello County	Cedar Lake Railroad Bridge Linn County
Cedar River Bridge Floyd County	Cedar River Trail Prairie Creek Bridge Linn County	Cedar Valley Nature Trail East Otter Creek Bridge Linn County	Cedar Valley Nature Trail Fischel Road Overpass Linn County
Cedar Valley Nature Trail Wolf Creek Bridge Black Hawk County	Cemetary Bridge Story County	Cennaff Bridge Cerro Gordo County	Centennial Bridge Scott County
Centennial Bridge Johnson County	Center Street Bridge Polk County	Center Street Bridge Marshall County	Central City Bridge Linn County
CGW Cedar River Bridge Bremer County	CGW Des Moines River Bridge Polk County	CGW Lincoln Highway Overpass (Old) Carroll County	CGW Main Street Overpass Howard County
CGW Overpass Carroll County	CGW Railroad Street Overpass Marshall County	CGW Wapsipinicon River Bridge Mitchell County	CGW Watson Creek Bridge Howard County
CGW West Branch Beaverdam Creek Trestle Cerro Gordo County	CGW Wolf Creek Bridge Tama County	Chain Lakes bridge Linn County	Chambers Ford Bridge Tama County
Chariton River Bridge Appanoose County	Charles City Suspension Bridge Floyd County	Charley Western Trail Bridge Floyd County	Chelsea Lincoln Highway Bridge Tama County
Chicago and Northwestern South Railroad Crossing Emmet County	Chichaqua Bottoms Wagon Bridge Polk County	Chicken Creek Bridge Muscatine County	Chimney Rock Bridge Winneshiek County
Clanton Creek Bridge Madison County	Clark's Bridge Winneshiek County	Clear Creek Bridge Allamakee County	Clive Greenbelt Trail Walnut Creek Bridge Polk County
Clover Hill Drive Bridge Warren County	CN 7th Street Bridge Webster County	CN 8th Street Bridge Webster County	CN Beaver Creek Crossing at Prairie Bridges Park Franklin County
CN Boone River Bridge Hamilton County	CN Bridge Over Land Pottawattamie County	CN Cedar River Bridge Bremer County	CN Cedar River Bridge Chickasaw County
CN Cedar River Bridge Black Hawk County	CN Iowa River Bridge Hardin County	CN Little Sioux River bridge Cherokee County	CN Main Street Overpass (Central City) Linn County
CN Maquoketa River Bridge Dubuque County	CN Maquoketa River Bridge Delaware County	CN Oak Avenue Overpass Hamilton County	CN Overpass Hardin County
CN Railroad Street Overpass Linn County	CN Star Brewery Drive Bridge Dubuque County	CN Wapsipinicon River Bridge Linn County	CN White Fox Road Overpass Hamilton County
CN/CC Overpass Pottawattamie County	CN/IC Buffalo Branch Trestle Buchanan County	CN/IC Buffalo Creek Trestle Buchanan County	CN/IC Coffins Creek Trestle Delaware County
CN/IC Drainage Ditch Trestle Buchanan County	CN/IC Little Ditch Trestle Buchanan County	CN/IC Pine Creek Bridge Buchanan County	CN/IC Prairie Creek Trestle Buchanan County
CN/IC Raymond Trestle Black Hawk County	CN/IC Slough Bridge Buchanan County	CN/IC Tiny Bridge Black Hawk County	CN/IC Wapsipinicon River Bridge Buchanan County
CNW Big Sioux River Bridge Sioux County	CNW Cedar River Bridge Linn County	CNW Des Moines River Bridge Webster County	CNW Grand Avenue Overpass #2 Story County
CNW IA9 Overpass Emmet County	CNW Iowa River Bridge Benton County	CNW Little Sioux River Bridge Woodbury County	CNW Mississippi River Bridge (Clinton, West Channel) Clinton County
CNW North Raccoon River Bridge Greene County	CNW Raccoon River Bridge Calhoun County	CNW Wapsipinicon River Bridge Clinton County	Coal Bank Hill Bridge (Original) Hardin County
Cone Lake Bridge Muscatine County	Congress Street Bridge Floyd County	Coon Creek Bridge Tama County	Cooper's Cove Keystone Arch Bridge Pocahontas County
Corbett's Mill Bridge Jones County	Cottonville Bridge Jackson County	Coulee Creek Bridge Fayette County	County Line Bridge Louisa County
Court Avenue Bridge Polk County	Court Avenue Bridge (Oldest) Polk County	CRandIC Cedar River Bridge Linn County	CRandIC Clear Creek Bridge Johnson County
CRandIC Iowa River Bridge Johnson County	CRandIC Iowa River Bridge #2 Johnson County	CRandIC Iowa River Bridge #2 (Even Older) Johnson County	CRandIC Iowa River Bridge #2 (Old) Johnson County
CRandIC Iowa River Bridge #2 (Older) Johnson County	CRandIC Iowa River Bridge #3 Johnson County	CRandIC Iowa River Bridge Near Amana Iowa County	CRandIC Millrace Trestle Iowa County
CRandIC Ralston Creek Bridge #2 Johnson County	CRandIC Rocky Shore Drive Overpass Johnson County	Crane Creek Bridge Fayette County	Crane Creek River Bridge Chickasaw County
Crescent Rail Bridge Scott County	Crow Creek Arch Bridge Jefferson County	Cutler-Donahoe Covered Bridge Madison County	Cutler-Donahue Stone Arch Bridge Madison County
Czech Village Bridge Linn County	D&W Charles Street Overpass Fayette County	D&W Wapsi Backwaters Trestle Black Hawk County	D&W Wapsipinicon River Bridge Black Hawk County
Dakota City Bridge Humboldt County	Dakota City Bridge (Older) Humboldt County	Davis Bridge Howard County	DCI Des Moines River Bridge Polk County
DCI IA-415 Bridge Polk County	Delhi Dam Delaware County	Delta Bridge Keokuk County	Des Moines River Marsh Arch Bridge Kossuth County
Devils Glen Road Bridge Scott County	Dinkey Bridge Story County	DM&E 115th Street Overpass Clayton County	DM&E 12th Street Bridge Scott County
DM&E 3rd Street Overpass Washington County	DM&E Bloody Run Creek #1 Clayton County	DM&E Bloody Run Creek #2 Clayton County	DM&E Bloody Run Creek #8 Clayton County
DM&E Castalia Bridge Winneshiek County	DM&E Creek Bridge Allamakee County	DM&E Deer Creek Bridge Mitchell County	DM&E Des Moines River Bridge Wapello County
DM&E Des Moines River Bridge #2 Wapello 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 Garfield Park Bridge Scott County	DM&E Goose Creek Bridge Scott County	DM&E Iowa River Bridge (Mainline) Louisa County
DM&E Iowa River Bridge (Tyson Spur) Louisa County	DM&E Maquoketa River Bridge Jackson County	DM&E Mill Creek Bridge Clinton County	DM&E Mill Creek Bridge Jackson County
DM&E Natural Stream Bridge Scott County	DM&E North Fork Long Creek Bridge Washington 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 Turkey River Bridge Clayton County	DM&E Turkey River Overflow Bridge Winneshiek County
DM&E US169 Underpass Kossuth County	DMCR Walnut Creek Trestle Polk County	DMU Raccoon River Bridge Polk County	Doon Bridge Lyon County
Dowd Creek Bridge No. 1 Hardin County	Dowd Creek Bridge No. 2 Marshall 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	Driveway Bridge Winneshiek County
Driveway Bridge Linn County	Dry Run Creek Bridge Fayette County	Dry Run Creek Bridge Fayette County	Dry Run Creek US 52 Bridge Winneshiek County
Dubuque Rail Bridge Dubuque County	Dubuque Wagon Bridge Dubuque County	Duck Pond Bridge Muscatine County	Dunkerton Bridge Black Hawk County
Durow Road Bridge Linn County	Dutch Creek Bridge Jones County	Eagle Creek Railroad Bridge Wright County	Eagle Point Bridge Dubuque County
East Branch Indian Creek Bridge Story County	East Branch Indian Creek Bridge Story County	East Bridge Iowa County	East Bridge Sac County
East Nishnabotna River Bridge Montgomery County	Eddyville Bridge Monroe County	Eden Valley County Refuge Bridge Jackson County	Egret Road Bridge Clayton County
Eight Mile Bridge Muscatine County	Eisenhower Bridge Van Buren County	Eldon Des Moines River Bridge Wapello County	Eldon Railroad Bridge Wapello County
Eldora High Bridge Hardin County	Eldorado Bridge Fayette County	Elkader Keystone Bridge Clayton County	Ellsworth Ranch Bridge Emmet County
Ely Road Overpass Linn County	Ely Street Bridge Linn County	Ely's Stone Bridge Jones County	Emmetsburg Railroad Bridge Palo Alto County
English River Bridge Iowa County	English River Bridge Washington County	English River Bridge Washington County	Estherville Railroad Bridge Emmet County
Estherville Suspension Bridge Emmet County	Eureka Bridge Winneshiek County	Eureka Bridge Greene County	Eureka Mill Bridge Greene County
Euritt Bridge Decatur County	Evansdale Bridge Black Hawk County	Eveland Bridge Mahaska County	Fabius Creek Bridge Davis County
Fabius Creek Bridge Davis County	Fairmount Park Bridge Pottawattamie County	Fairview DAIR Bridge Sioux County	FDDM Bass Point Creek Trestle Boone County
FDDM Des Moines River Bridge Webster County	FDDM Des Moines River Bridge (Older) Webster County	Field Bridge Benton County	Field Entrance Bridge Jones County
Fifth Avenue Bridge Winneshiek County	First Bridge Scott County	First Fort Madison Bridge Lee County	First Street Bridge Linn County
Fish Creek Bridge Henry County	Fish Creek Bridge Henry County	Flatcar Bridge Polk County	Flood Creek Bridge Floyd County
Flood Creek Bridge Floyd County	Flood Creek Bridge Floyd County	Floyd River Bridge Sioux County	Foreston Bridge Howard County
Forestville Birdge Delaware County	Fort Atkinson Bridge Winneshiek County	Fort Dodge High Bridge Webster County	Fort Madison Bridge Lee County
Fountain Dale Bridge Jackson County	Fourmile Creek Bridge Polk County	Fox Road Bridge Fayette County	Fred Schwengel Memorial Bridge Scott County
Freeport Bridge Winneshiek County	Fremont Mill Bridge Jones County	French Creek Bridge Lee County	French Creek Bridge Allamakee County
Fudge Creek Bridge Wapello County	Fulton Wagon Bridge Clinton County	Garnavillo Township Bridge Clayton County	Gates Bridge Floyd County
Gateway Bridge Clinton County	Gedney Lake Bridge Muscatine County	Geode Bridge Henry County	George Washington Carver Bridge Polk County
Gilbert Street Bridge Floyd County	Gilliece Bridge Winneshiek County	Glovers Creek Bridge Fayette County	Goose Creek Bridge Scott County
Gordon Avenue Viaduct Woodbury County	Gotch Park Bridge Humboldt County	Gotch Park Rd. Bridge Humboldt County	Grace Hill Overpass Washington County
Grand Avenue Bridge Polk County	Grand Avenue Bridge Polk County	Grand Avenue Bridge (Older) Polk County	Grand River Bridge Madison County
Grand River Bridge Union County	Grant Street Bridge Humboldt County	Great River Bridge Des Moines County	Green Mill Ford Bridge Bremer County
Greencastle Avenue Bridge Johnson County	Greene Bridge Butler County	Gunderson Bridge Winneshiek County	Hale Bridge Jones County
Hammond Covered Bridge Marion 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	Harvey Railroad Bridge Marion County	Hawarden Railroad Bridge Sioux County
Hawkeye Avenue Bridge Floyd County	Hawkeye Avenue Bridge Webster County	Hawkeye Dolbee Channel Bridge Des Moines County	Head Memorial Bridge Greene County
Heart of Iowa Trail Bridge Story County	Heins Road Bridge Linn County	Henry Bridge Winneshiek County	Heritage Trail Little Maquoketa River Bridge #1 Dubuque County
Heritage Trail Truss Bridge Dubuque County	High Trestle Trail Bridge Boone County	Highway 3 bridge over East Fork Des Moines River Humboldt County	Hill's Mill Bridge Howard County
Hills Mill Bridge Linn County	Hogback Covered Bridge Madison County	Hogback Iowa River Bridge Louisa County	Holland's Ferry Bridge Johnson County
Holliwell Covered Bridge Madison County	Honey Creek Bridge Marshall County	Hoover Trail Stone Arch Bridge Louisa County	Hoover Trail Unamed Stream Stone Culvert Linn County
Hopkinton Mill Bowstring Bridge Delaware County	Horn's Ferry Bridge Marion County	Horse Tunnel Story County	Hoy Bridge Marshall County
Hudson Bridge Sioux County	I-380 Cedar River Bridge Linn County	I-74 Bridge Scott County	IA 24 Bridge at Turkey River Overflow Winneshiek County
IA14 Red Rock Bridge Marion County	IA150 Cedar River Bridge Benton County	IA3 West Fork Des Moines River Bridge Humboldt County	IA3/Bremer Avenue Cedar River Bridge Bremer County
IA346 Cedar River Bridge Chickasaw County	IA57 Overpass Franklin County	IA78 Skunk River Bridge Jefferson County	IA925 Underpass Guthrie County
IAIS 32nd Avenue Overpass Jasper County	IAIS 3rd Street Bridge Scott County	IAIS 4th Street Bridge Scott County	IAIS 555th Street Overpass Cass County
IAIS 80th Street Underpass Polk County	IAIS 8th Street SW Overpass Polk County	IAIS Alleyway Bridge #1 Scott County	IAIS Alleyway Bridge #2 Scott County
IAIS Big Bear Creek Bridge Iowa County	IAIS Brady Street Overpass Scott County	IAIS Bulger Creek Bridge Dallas County	IAIS Cedar River Bridge Muscatine County
IAIS Clear Creek Bridge Johnson County	IAIS Des Moines River Bridge Polk County	IAIS Duck Creek Bridge Scott County	IAIS East Nishnabotna River Bridge Cass County
IAIS East Wapsinonoc Creek bridge Muscatine County	IAIS Filmore Street Overpass Scott County	IAIS Fourmile Creek Bridge Polk County	IAIS Harrison Street Bridge Scott County
IAIS Hickman Road Overpass Polk County	IAIS I280 Overpass Scott County	IAIS Iowa River Bridge Johnson County	IAIS Jordan Creek Bridge Polk County
IAIS Little Fourmile Creek Bridge Polk County	IAIS Main Street Bridge Scott County	IAIS McPherson Avenue Overpass Pottawattamie County	IAIS Overpass Pottawattamie County
IAIS Perry Street Bridge Scott County	IAIS Ripley Street Bridge Scott County	IAIS Severs Creek bridge Jasper County	IAIS Skunk River Bridge Jasper County
IAIS Sugar Creek Bridge Polk County	IAIS Turkey Creek Bridge Adair County	IAIS US59 Overpass Pottawattamie County	IAIS US6 Overpass Pottawattamie County
IAIS Walnut Creek Bridge Polk County	IAIS Walnut Creek bridge Pottawattamie County	IAIS Walnut Creek Bridge #2 Polk County	IAIS Wisconsin Avenue Overpass Scott County
IANR 4th Avenue Overpass Benton County	IANR Backwater Bridge Butler County	IANR Bear Creek Bridge Benton County	IANR Beaver Creek Bridge Black Hawk County
IANR Cedar River Bridge Black Hawk County	IANR Drainage Tube Culvert Linn County	IANR Dry Creek Bridge Linn County	IANR Flood Creek Bridge Butler County
IANR Hawkeye Avenue Overpass Floyd County	IANR Hinkle Creek Bridge Benton County	IANR Mud Creek Arch Bridge Benton County	IANR Overpass Black Hawk County
IANR River Street Overpass Cerro Gordo County	IANR Shell Rock River Bridge Butler County	IANR Shell Rock River Bridge #2 Floyd County	IANR Spring Creek Stone Arch Cerro Gordo County
IANR Stone Arch Benton County	IANR Unnamed Stream Bridge Linn County	IANR Unnamed Stream Bridge #2 Linn County	IANR West Fork Cedar River Bridge (New) Black Hawk County
IANR Wolf Creek Bridge Black Hawk County	IANR/DM&E Winnebago River Bridge (Portland) Cerro Gordo County	IARR Bridge Hardin County	IARR Iowa River Bridge Hardin County
IARR Iowa River Bridge #3 Marshall County	IARR Overpass Hardin County	IC Des Moines River Bridge Webster County	IC Iowa River Bridge Hardin County
IC Swing Bridge Pottawattamie County	IC Wapsipinicon River Bridge Buchanan County	Illinois Central Railroad Bridge Hamilton County	Imes Covered Bridge Madison County
Indian Creek Bridge Polk County	Indian Creek bridge Humboldt County	Indian Creek Bridge Sac County	Indian Creek Bridge Humboldt County
Indian Creek bridge Humboldt County	Indian Creek Railroad Bridge #3 Pottawattamie County	Indiana Ave. Bridge Lyon County	Interstate 80 Missouri River Bridge Pottawattamie County
Interurban Trail Bridge Polk County	Iowa Avenue Bridge Johnson County	Iowa Avenue Underpass Johnson County	Iowa Central Mississippi River Railroad Bridge Louisa County
Iowa Falls Jct Railroad Bridge Hardin County	Iowa Falls Swinging Bridge Hardin County	Iowa River Bridge Tama County	Iowa River Bridge Hardin County
Iowa River Bridge Hardin County	Iowa River Bridge Iowa County	Iowa River Bridge Tama County	Iowa River Bridge (Old) Louisa County
Island Park Bridge Lyon County	Ivanhoe Bridge Linn County	J Avenue Bridge Boone County	Janesville Bridge Bremer County
Janesville Bridge Black Hawk County	Jefferson Highway Bridge Decatur County	Jefferson Street Viaduct Wapello County	Jefferson Trail Bridge Greene County
Jewell Junction Stone Arch Hamilton County	John Street Bridge Delaware County	Julien Dubuque Bridge Dubuque County	Kate Shelley High Bridge Boone County
Keigley Branch Bridge Story County	Keigly Branch Suspension Bridge Story County	Kent Park Bowstring Arch Bridge 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	Kenyon Road Bridge Webster County	Keokuk Hamilton Bridge Lee County	Keokuk Rail Bridge Lee County
Keosauqua Bridge Van Buren County	Kewash Trail Bridge Washington County	Keystone Bridge Pocahontas County	Kilbourn Bridge Van Buren County
Kirby-Flynn Bridge Palo Alto County	Kiwanis Bridge Sioux County	Klondike Bridge Lyon County	L Avenue Bridge Boone County
Lake City Bridge Calhoun County	Lake Park Railroad Bridge Dickinson County	Lakeshore Drive Bridge Dickinson County	Lakeshore Drive Bridge Dickinson County
Lane Timber Bridge Humboldt County	Lawrence Bridge Winneshiek County	Le Grand Bridge Marshall County	Leando-Douds Bridge Van Buren County
Ledges State Park Des Moines River Bridge Boone County	Ledges State Park Low Water Crossings #1-6 Boone County	LeGrand Bridge Marshall County	Lewis Street Bridge Humboldt County
Lima Bridge Fayette County	Lime Springs Bridge Howard County	Lincoln Highway (Cty E39) Bridge Greene County	Lincoln Highway Colo Interchange Story County
Lincoln Highway Wapsipinicon River Bridge Clinton County	Lincoln Highway West Beaver Creek Bridge Greene County	Lincoln Way Squaw Creek Bridge Story County	Linn Creek Bridge Marshall County
Linn Creek Intersection Bridge Marshall County	LIttle Beaver Creek Lincoln Highway Bridge Greene 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 Otter Creek Bridge Lyon County
Little Rock River Bridge Lyon County	Little Sioux River Bridge Woodbury County	Little Sioux River Bridge Harrison County	Little Sioux River Bridge Buena Vista County
Little Sioux River Pontoon Bridge Cherokee County	Little Volga River Bridge Fayette County	Little Wapsipinicon River Bridge Bremer County	Little Wapsipinicon River Bridge Chickasaw County
Livermore Bridge Humboldt County	Lock & Dam 16 Muscatine County	Lock and Dam 15 Scott County	Locust Street Bridge Polk County
Locust Street Bridge Polk County	Long Bridge Ida County	Long Bridge Cherokee County	Lost Creek Bridge Lee County
Lost Nation Railroad Arch Bridge Clinton County	Lott's Creek bridge Humboldt County	Lover's Lane Bridge Floyd County	Lower Plymouth Rock Bridge Winneshiek County
Lower Road Bridge Jones County	Lucas Avenue bridge Humboldt County	Lundy Bridge Winneshiek County	Lundy Bridge Warren County
Lyons and Fulton bridge Clinton County	M&STL Des Moines River Bridge Polk County	M&StL Elm Drive Bridge Cerro Gordo County	M&StL L Avenue Overpass Louisa County
M&StL Little Sioux River Bridge Buena Vista County	M&StL Little Sioux River Bridge Clay County	M&StL Mississippi River Bridge Louisa County	M&StL Summit Street Overpass Marshall County
M&StL Willow Creek Bridge Cerro Gordo County	M&STL Winnebago River Bridge Cerro Gordo County	M&StL/CBQ Des Moines River Bridge Mahaska County	MacArthur Bridge Des Moines County
Mackey Bridge Boone County	Mad Creek Bridge Muscatine County	Mad Creek Pony Truss Bridge Muscatine County	Mad Creek Railroad Bridge Muscatine County
Madrid High Bridge Boone County	Main Street Bridge Cherokee County	Main Street Bridge Boone County	Main Street Bridge Linn County
Main Street Bridge Floyd County	Main Street Bridge Jones County	Main Street Bridge Lyon County	Main Street Bridge Louisa County
Main Street Bridge Story County	Main Street Bridge (Old) Floyd County	Main Street Bridge (Older) Lyon County	Main Street Bridge (Oldest) Lyon County
Major Road Bridge Fayette County	Major Road Bridge Howard County	Manchester Fish Hatchery Bridge Delaware County	Maple River Bridge Woodbury County
Maquoketa River Bridge Delaware County	Marble Rock Shell Rock River Bowstring Floyd County	Marion Street Bridge Delaware 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
Marysville Covered Bridge Marion County	Matsell Bridge Linn County	MBS Iowa River Bridge Louisa County	McBride Covered bridge Madison County
McCloud Run Bridge Linn County	McFarlane Bridge Black Hawk County	McIntyre Bridge Poweshiek County	McKeown Bridge Muscatine County
Mederville Bridge Clayton County	Melan Bridge Lyon County	Memorial Union Bridge Johnson County	Meredith Willson "The Music Man" Footbridge Cerro Gordo County
Middle Avery Creek Bridge Monroe County	Middle Creek Bridge Mahaska County	Middle Fork Little Maquoketa River Bridge Dubuque County	Middle River Bridge Madison County
Mill Creek Bridge Cherokee County	Mill Creek Stone Arch Boone County	Mill Race Bridge Fayette County	Mill Rock Bridge Jackson County
Millrace Bridge Iowa County	Millville Road Bridge Clayton County	MILW 7th Street Overpass Linn County	MILW Cedar River Bridge Linn County
MILW Cedar River Bridge (Original) Linn County	MILW Cone Lake Bridge Muscatine County	MILW Cone Lake Bridge (Old) Muscatine County	MILW Copper Creek Trestle Jackson County
MILW G38 Overpass Washington County	MILW Honey Creek Bridge Muscatine County	MILW Indian Creek Bridge Linn County	MILW Indian Creek Bridge Story County
MILW Iowa River Bridge Louisa County	MILW Lowe Run Creek Bridge Muscatine County	MILW Mill Creek Bridge Jackson County	MILW Mineral Creek Bridge Jones County
MILW Muscatine Slough Bridge Muscatine County	MILW Pile-Pontoon Bridge Clayton County	MILW Raccoon River Bridge Carroll County	MILW Skunk River Bridge Story County
MILW South Timber Creek Bridge Marshall County	MILW Turkey River Bridge Clayton County	MILW US151 Overpass Linn County	MILW Volga River Bridge Fayette County
MILW Wapsipinicon River Bridge Jones County	MILW Wolf Creek Bridge Story County	Mineral Creek Bridge Allamakee County	Minerva Creek Bridge Marshall County
Minerva Creek Bridge Marshall County	Mississippi River Lincoln Highway Bridge (Second) Clinton County	Mississippi River Overflow Bridge Jackson County	Mississippi River US 61 Bridge Dubuque County
Missouri River US 77 Bridge Woodbury County	Moingona Railroad Bridge Boone County	Monastery Lane Bridge Dubuque County	Moneek Bridge Winneshiek County
Monroe Street Bridge Muscatine County	Montgomery Railroad Bridge Dickinson County	Moore's Ford Bridge Jones County	Mormon Bridge Pottawattamie County
Motor Mill Bridge Clayton County	Mud Creek Bridge Benton 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	Muscatine High Bridge Muscatine County
Muscatine Road Bridge Cedar County	Mystery Bridge Muscatine County	Nashua Cedar River Bowstring Chickasaw County	Natural Stream Bridge Scott County
Nebraska City Bridge Fremont County	Nebraska City Railroad Bridge Fremont County	Neola Avenue Railroad Bridge Greene County	New Kate Shelley High Bridge Boone County
Nickel Road Bridge Clayton County	Nishnabotna River Bridge Crawford County	Nishnabotna River Bridge Audubon County	Nora Junction Railroad Bridge Floyd County
Norfolk Creek Bridge Allamakee County	North Bridge Kossuth County	North Bridge Iowa County	North Carolina Avenue Bridge Cerro Gordo County
North Fork Little Maquoketa River Bridge Dubuque County	North River Bridge Madison County	North Skunk River Bridge Jasper County	North Skunk River Bridge Jasper County
North Skunk River Bridge Mahaska County	North Viaduct on Kenyon Road Webster County	North Wyacondah Creek Bridge Davis County	North Wyacondah Creek Bridge Davis County
Nugents Road Bridge Linn County	Oak Street Bridge Hardin County	Oakland Mills Bridge Henry County	Oakville Iowa River Bridge Louisa County
Oakville Truss Bridge Louisa County	Okamanpedan State Park Bridge Emmet County	Okoboji Bridge Dickinson County	Okoboji Bridge Dickinson County
Okoboji Railroad Bridge Dickinson County	Old Blair Railroad Bridge Harrison County	Old Center Street Bridge Marshall County	Old Euclid Avenue Des Moines River Bridge Polk County
Old IA46 Bridge Polk County	Old IA92 Bridge Louisa County	Old IC Little Sioux River Bridge Cherokee County	Old Keokuk Bridge Lee County
Old Keosauqua Bridge Van Buren County	Old Lehigh Bridge Webster County	Old Lehigh Railroad bridge Webster County	Old Lincoln Highway Wapsipinicon River Bridge Clinton County
Old Mans Creek Bridge Iowa County	Old Mans Creek Bridge Johnson County	Old Plattsmouth Railroad Bridge Mills County	Old Rockdale Road Catfish Creek Bridge Dubuque County
Old Rusty Bridge Clay County	Old US 20 Bridge Hamilton County	Old US 61 Bridge Muscatine County	Old US 61 Bridge Jackson County
Old US218 McAllister Creek Bridge Johnson County	Oneota Drive Bridge Winneshiek County	Orleans Bridge Dickinson County	Osage Bridge Mitchell County
Otranto Bridge Mitchell County	Otter Creek Bridge Fayette County	Otter Creek Bridge Lyon County	Otter Creek Bridge Fayette County
Otter Road Pony Truss Bridge Fayette County	Owens Covered Bridge Polk County	P59 Bridge Humboldt County	Pacific Short Line Bridge Woodbury County
Pammel State Park Middle River Bridge Madison County	Pammel State Park Midle River Low Water Crossing Madison County	Park Road Bridge Johnson County	Park Road Bridge Johnson County
Patterson Creek Bridge Allamakee County	Phelps Park Bridge Winneshiek County	Philipps Mill Bridge Floyd County	Pilot Grove Park Bridge Montgomery County
Pine Creek Bridge Buchanan County	Pine Creek Grist Mill Bridge Muscatine County	Plattsmouth Bridge Mills County	Plattsmouth Railroad Bridge Mills County
Plum Creek Bridge Johnson County	Plum Creek Bridge Kossuth County	Pony Truss Bridge Lucas County	Prairie Bridge Clayton County
Prairie Bridges Park Bridge Franklin County	Prairie Creek bridge Humboldt County	Prairie Creek Bridge Humboldt County	Prairie Creek Bridge Dubuque County
Prairie Creek Bridge Humboldt County	Prairie Creek Bridge Linn County	Prairie Creek Bridge Dubuque County	Prairie Creek bridge Humboldt County
Prairie Creek bridge C20 Humboldt County	Price Creek Bridge Iowa County	Quarry Bridge Marshall County	Quarry Road Bridge Plymouth County
Quasqueton Avenue Bridge Buchanan County	Quebec Avenue bridge over drainage ditch Humboldt County	Qw Lane Bridge Boone County	R Avenue (Rustic Road) Bridge Fayette County
Raccoon River Bridge Guthrie County	Raccoon River Covered Bridge Polk County	Raccoon River Trail Adel Bridge Dallas County	Raccoon River Valley Trail Mosquito Creek Bridge Dallas County
Raccoon River Valley Trail Stream Bridge Dallas County	Railroad Drainage Tube Culvert Linn County	Red Bridge Polk County	Red Bridge Dubuque County
Red Bridge Allamakee County	Red Bridge Road Bridge Linn County	Red Rock Dam Marion County	Red Rock Des Moines River Bridge Marion County
RI Cedar River Bridge Muscatine County	RI Chariton River Bridge (Old) Appanoose County	RI County Road W55/Wayland Road Overpass Washington County	RI Des Moines River Bridge Polk County
RI Fourmile Creek Bridge Polk County	RI Fox River Bridge Davis County	RI Fox River Culvert #1 Appanoose County	RI Fox River Culvert #2 Appanoose County
RI IA2 Overpass Appanoose County	RI Iowa River Bridge Wright County	RI Iowa River Bridge (Old) Louisa County	RI Island Park Bridge Lyon County
RI Little Lick Creek Bridge Van Buren County	RI Mad Creek Bridge Muscatine County	RI North Fork Long Creek Bridge Washington County	RI North Fox Creek Bridge Davis County
RI Skunk River Bridge Washington County	RI Skunk River Bridge (Older) Washington County	RI Skunk River Bridge (Oldest) Washington County	RI Soap Creek Bridge Wapello County
RI South Fork Long Creek Bridge Washington County	RI South Skunk River Bridge Mahaska County	RI Stone Culvert Linn County	RI Walnut Creek Bridge Washington County
RI Wapsipinicon River Bridge (Old) Buchanan County	RI Waspinicon River Bridge Buchanan County	RI West Fork Crooked Creek Bridge Washington County	RI West Nishnabotna River Bridge Pottawattamie County
RI Wolf Creek Bridge Tama County	RI/IC Interchange Bridge Buchanan County	Richland Creek Bridge Tama County	Richland Creek Bridge Tama County
Rio Grande Creek/ Ohio Avenue Bridge Lyon County	River Park Bridge Wright County	River Street Bridge Muscatine County	River Street Bridge Floyd County
Rock Creek Bridge Wapello County	Rock Falls Bridge Cerro Gordo County	Rock Rapids Railroad Bridge Lyon County	Rock River Suspension Bridge Lyon County
Rock Valley Bridge Marshall County	Rock Valley US 18 Bridge Sioux County	Rockford Bridge Floyd County	Rockwell City Bridge Calhoun County
Rolling Prairie Trail Shell Rock River Bridge Butler County	Rosedale Road Bridge Linn County	Roseman Covered Bridge Madison County	Rutland bridge over W. Fork Des Moines River Humboldt County
Rutledge Railroad Overpass Wapello County	Sabula Rail Bridge Jackson County	Salt Creek Bridge Tama County	Salt Creek Bridge Tama County
Salt Creek Bridge Tama County	Salt Creek Bridge Tama County	San Souci Bridge (Oldest) Black Hawk County	Sandbar Slough Crossing (New) Dickinson County
Sandbar Slough Crossing (Old) Dickinson County	Saulsbury Bridge Muscatine County	Savanna-Sabula Bridge Jackson County	Scenic River RoadBridge Winneshiek County
School Street Bridge Warren County	Scott Avenue Bridge Polk County	Scrapped Pony Truss Clayton County	SE 14th St. Bridge Polk County
Second Bridge Scott County	Second Omaha Railroad Bridge Pottawattamie County	Sells Street Bridge Benton County	Sergeant John F. Baker, Jr. Bridge Scott County
Seven Mile Creek BNSF Bridge Clarke County	Shaw Road Bridge Jones County	Shell Rock Bridge Butler County	Shell Rock River Bridge Butler County
Shell Rock River Bridge Cerro Gordo County	Shell Rock River Bridge Worth County	Shell Rock River Bridge Cerro Gordo County	Shell Rock River Bridge at Northwood Worth County
Shell Rock River Crossing Floyd County	Sheridan Avenue bridge Humboldt County	Sherman's Bridge Floyd County	Shot Tower Bridge Dubuque County
Side Ditch Entrance Bridge Dubuque County	Sidney Street Bridge Lyon County	Sioux City Rail Bridge Woodbury County	Sixth Street Viaduct Des Moines County
Skunk River Bowstring Bridge Washington County	Skunk River Bridge Hamilton County	Skunk River Bridge Story County	Skunk River Bridge Des Moines County
Skunk River Bridge Story County	Skunk River Bridge Jasper County	Skunk River Bridge Washington County	Skunk River Bridge Jasper County
Skunk River Bridge Polk County	Skunk River Railroad Bridge Des Moines County	Skybridge Scott County	Snider Bridge Adams County
South Avery Creek Bridge Wapello County	South Avery Creek Bridge Wapello County	South Branch Salt Creek Bridge Tama County	South Chequest Lake Creek Bridge Davis County
South Fork Maquoketa River Bridge Jackson County	South Omaha Bridge Pottawattamie County	South River (CSAH R- 57) Bridge Warren County	South River Bridge Warren County
South River Bridge Warren County	South Third Avenue Bridge Marshall County	South Vine Street Bridge Fayette County	South Wyacondah Ditch Bridge Davis County
South Wyacondah Ditch Bridge Davis County	South Wyacondah Ditch Bridge Davis County	Spencer Grand Avenue Bridge Clay County	Spencers Grove Bridge Benton County
Spring Creek Bridge Cerro Gordo County	Spring Hill Bridge Warren County	Squaw Creek Bridge Boone County	Squaw Creek Park Bridge Linn County
Squaw Creek Park Culvert Linn County	Squaw Creek Park Trail Bridge Story County	Squaw Creek Railroad Bridge (Older) Story County	St. Francisville Bridge Lee County
St. Johns Bridge Bremer County	St. Johns Road Bridge Polk County	State Center Lincoln Highway C&NW Bridge Marshall County	State Street Stone Arch Bridge Cerro Gordo County
Steamboat Rock Iowa River Bowstring Hardin County	Steyer Bridge Winneshiek County	Stoe Creek Bridge Fayette County	Stone Bridge Boone County
Stump Creek Bridge Van Buren County	Summer Creek Bridge Van Buren County	Sumner Avenue Bridge Humboldt County	Supple Ford Bridge Jones County
Sutliff Bridge Johnson County	Sutton Road Bridge Linn County	SW 1st Street Bridge Polk County	SW 63rd Street Bridge Polk County
SW 7th Street Bridge Polk County	SW 9th Street Bridge Polk County	Swensrud Park Pedestrian Bridge Worth County	Swensrud Refuge Bridge Worth County
Swinging Bridge Louisa County	Swinging Bridge Story County	Tama Lincoln Highway Bridge Tama County	Tanglewood Road Bridge Scott County
Teilbur Bridge Clay County	Ten Mile Creek Bridge Winneshiek County	Ten Mile Creek Bridge Winneshiek County	The Bridge to Nowhere Madison County
The Steel Bridge Davis County	Thor blacktop bridge Humboldt County	Thunder Bridge Clay County	Thunderwoman Park Bridge Black Hawk County
Timber Creek Railroad Bridge Marshall County	Toledo Bridge Tama County	Tremaine Bridge Hamilton County	Trolley Bridge Black Hawk County
Turkey Creek Bridge Cass County	Turkey River Bridge Winneshiek County	Twelfth Avenue Bridge Linn County	Twin Bridge Fayette County
Twin Bridges Winneshiek County	Two Mile North/ Golf Course Bridge Lyon County	Underwood Avenue Bridge Marshall County	Union Drive College Creek Bridge Story County
Union Station (Unbuilt) Polk County	Union Trail Bridge Woodbury County	University Avenue Bridge Polk 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 Davis County	Unnamed Creek Bridge Madison County	Unnamed Creek Bridge Dubuque County
UP 13th Avenue Overpass Benton County	UP 13th Street Overpass Story County	UP 250th Street Overpass Kossuth County	UP 2nd Street Overpass Hamilton County
UP 500th Avenue Overpass Boone County	UP 6th Street Overpass Story County	UP 77th Street Overpass Benton County	UP Beaver Creek bridge Boone County
UP Big Creek Bridge Linn County	UP Boyer River Bridge Harrison County	UP Boyer River Crossing Harrison County	UP Cedar River Bridge (Tait Cummings) Linn County
UP Clear Creek Stone Arch Story County	UP Concrete Culvert Linn County	UP Deer Creek Bridge Tama County	UP Des Moines River Bridge Monroe County
UP Des Moines River Crossing at Hartford Ave Polk County	UP Devils Hollow Bridge Story County	UP Drainage Bridge Pottawattamie County	UP Drainage Ditch Bridge Black Hawk County
UP E. Fork Des Moines River Bridge Kossuth County	UP Elk Run Bridge Black Hawk County	UP Grand Avenue Overpass Story County	UP Haber Road Overpass Story County
UP Indian Creek Bridge Linn County	UP Iowa River Bridge Hardin County	UP Jordan Avenue Overpass Greene County	UP Lincoln Highway Overpass Story County
UP Little Sioux River Crossing Harrison County	UP Lizard Creek Bridge Webster County	UP Lockman Trestle Monroe 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 Mississippi River Bridge (Clinton, West Channel) Clinton County	UP Missouri River Bridge Pottawattamie County	UP Mud Creek Bridge Kossuth County
UP North Raccoon River Bridge Greene County	UP Old Floyd River Bridge Woodbury County	UP Overpass near Radcliffe Hardin County	UP Perry Trail Overpass Harrison County
UP Pigeon Creek Bridge Pottawattamie County	UP Rock Creek Bridge Cedar County	UP Skunk River Bridge Poweshiek County	UP Skunk River Bridge Story County
UP Squaw Creek Bridge Story County	UP Stange Road Underpass Story County	UP Stone Arch Linn County	UP Stream Bridge Story County
UP US65 Overpass Story County	UP Wapsipinicon River Bridge Clinton County	UP West Beaver Creek Bridge Greene County	UP West Branch Indian Creek Bridge Story County
UP West Indian Creek Arch Story County	UP Willow River Bridge Harrison County	UP Winnebago River Bridge Cerro Gordo County	UP X Avenue Overpass Boone County
UP/CP RR's 2nd St Bridge Clinton County	Upper Bluffton Bridge Winneshiek County	Upper Iowa River Bridge Winneshiek County	UPRR B Avenue Bridge Tama County
US 169 Bridge at Algona Kossuth County	US65 Iowa River Bridge Hardin County	Veekner Memorial Golf Course Low Water Crossing Story County	Veekner Memorial Golf Course Pony Truss Story County
Veekner Memorial Golf Course Suspension Bridge Story County	Victor Avenue RR Overpass Buchanan County	Village Creek Bridge Wapello County	Villisca Bridge Montgomery County
Vinton Cedar River Bridge Benton County	Wabash Bridge Wapello County	Wabash Des Moines River Bridge Marion County	Wabash Trace Mosquito Creek Bridge Pottawattamie County
Wabash Trace Silver Creek Bridge Pottawattamie County	Wabash Trace West Nishnabotna River Bridge Mills County	Wagon Bridge Fremont County	Wagon Wheel Bridge Boone County
Walnut Street Bridge Polk County	Walnut Street Bridge (Older) Polk County	Walnut Street Bridge (Oldest) Polk County	Wapsi Great Western Line Truss Bridge Mitchell County
Wapsipinicon (Branch) Lincoln Highway Bridge Clinton County	Wapsipinicon River Bridge Bremer County	Wapsipinicon River Bridge Buchanan County	Wapsipinicon River Bridge Black Hawk County
Wapsipinicon River Overflow Lincoln Highway Bridge Clinton County	Ward and Teslow Bridge Winneshiek County	Washington Avenue Bridge Hardin County	Washington Mill Bridge Dubuque County
Waterworks Park Bridge Polk County	Waterworks Trestle Scott County	Waubeek Bridge Linn County	Waverly Junction Bridge Bremer County
Waverly Railroad Bridge Bremer County	WCF&N San Souci Bridge (Older) Black Hawk County	Webster Bridge Hardin County	Webster City Railroad Bridge Hamilton County
Webster Street Bridge Marshall County	Welch Avenue College Creek Bridge Story County	West Auburn Bridge Fayette County	West Branch Indian Creek Bridge Story County
West Bridge Butler County	West Cemetery Road Bridge Linn County	West Fork Cedar River Bridge Butler County	West Fork Crooked Creek Bridge Washington County
West Fork Crooked Creek Bridge Washington County	West Indian Creek Bridge Story County	West Lake Okoboji Outlet Bridge Dickinson County	West Nodaway River Bridge Montgomery County
West Nodaway River Old US 71 Bridge Montgomery County	White Bridge Lyon County	White Water Creek Bridge Dubuque County	White Water Creek Bridge Dubuque County
Wild Cat Creek Bridge Benton County	Wildcat Glen Bridge Hardin County	Wilkinson Pioneer Park Covered Bridge Cerro Gordo County	Winnebago River Bridge Floyd County
Winnebago River Bridge Worth County	Winnebago River US 65 Bridge Cerro Gordo County	Wiscotta bridge Dallas County	Wolf Creek Mill Street Bridge Tama County
Wolf Creek W Avenue Bridge Tama County	Woosley Avenue Pedestrian Bridge Hamilton County	Yarnell Avenue Bridge Mahaska County	Yates Avenue Bridge Marshall County
Yellow River Bridge Allamakee County	Yellow River Bridge Allamakee County