Civil War Road Bridge (Jasper County, Missouri)
Built ca. 1930; rehabilitated 1986
Two-span concrete arch bridge over Spring River on Civil War Road in Carthage
Open to two-lane traffic

Clabber Creek Bridge (Callaway County, Missouri)
Pony truss bridge over Clabber Creek on CR 445
Open to traffic

Clackamas River Bridge (Clackamas County, Oregon)
Built 1955
Truss bridge over Clackamas River on USFS Road 45
Open to traffic

Clanton Creek Bridge (Madison County, Iowa)
Built 1932
Through truss bridge over Clanton Creek on a local road
Open to traffic

Clara Street over the Los Angeles River (Los Angeles County, California)
Built 1939
Concrete tee beam bridge over Los Angeles River on Clara Street in Cudahy
Open to traffic

Clarendon Bridge (Monroe County, Arkansas)
Built 1931
Cantilevered through truss bridge over White River on US 79 in Clarendon
Open to traffic


Clark County Road 213 Bridge (Clark County, Arkansas)
Built 1925; rehabilitated 1993; made obsolete by new bridge in 1998
Pony truss bridge over an unnamed creek on CR 213
Open to one-lane traffic(?)

Clark Creek CR 335 Bridge (Wayne County, Missouri)
Built ca. 1930
Wooden deck bridge over Clark Creek on CR 335 just north of MO 34
Open to one-lane traffic with a 3 ton weight limit

Clark Memorial Bridge (McCracken County, Kentucky)
Built 1931
Three-span through truss bridge over Tennessee River on US 60 in Ledbetter
Open to traffic

Clark Street Bridge (Cook County, Illinois)
Built 1929; rehabilitated 1985
Bascule bridge over Main Branch Chicago River on N. Clark Street in Chicago
Open to traffic

Clark Street Bridge (Audrain County, Missouri)
Built 1995 by the Continental Bridge Co.
Modern pony truss bridge over the railroad tracks on Clark Street in Mexico
Open to traffic

Clark's Bridge (Winneshiek County, Iowa)
Built 1913
Through truss bridge over Upper Iowa River on a local road east of Kendallville
Open to one-lane traffic

Clay Lick Creek Bridge (Metcalfe County, Kentucky)
Built 1921
Pony truss bridge over Clay Lick Creek on Glasgow Street in Edmonton
Open to traffic

Clay's Ferry Bridge (Fayette County, Kentucky)
Built 1946 as part of US 25; twin span added 1963 as part of I-75; both spans widened in 1998 to form a single six-lane bridge
Deck truss bridge over the Kentucky River on I-75/US 25/US 421 at Clay's Ferry south of Lexington in Lexington
Open to six lanes of traffic

Clear Creek Bridge (Shelby County, Kentucky)
Built 1982
Pony truss bridge over Clear Creek on Jail Hill Road in Shelbyville
Open to traffic

Clear Pond Ditch Bridge (Sullivan County, Indiana)
Built ca. 1920
Concrete arch bridge over Clear Pond Ditch on CR 900 West
Open to traffic

Clem Lowell Road Bridge (Carroll County, Georgia)
Built 1928
Pony truss bridge over Whooping Creek on Clem Lowell Road
Open to traffic

Cleves Bridge (Hamilton County, Ohio)
Built 1959-60
Four-span through truss bridge over the Great Miami River on westbound US 50 at Cleves
Open to two lanes of westbound traffic

Cleves Railroad Bridge (Hamilton County, Ohio)
Four-span through truss railroad bridge over the Great Miami River next to US 50 at Cleves
Open to traffic on two railroad tracks

Cliff Avenue Bridge (Minnehaha County, South Dakota)
Built 1973
Bridge over Big Sioux Rv on Cliff Avenue S of E 12th Street in Sioux Falls
Open to traffic

Cliff Drive Bridge (Jackson County, Missouri)
Built ca. 1920
Concrete arch bridge over Chestnut Trafficway on Cliff Drive in Kansas City
Open to traffic

Clifty Creek Bridge (Bartholomew County, Indiana)
Built ca. 1910
Through truss bridge over Clifty Creek on CR 1150 East
Open to traffic

Clifty Creek Bridge (Bartholomew County, Indiana)
Built 1911 by the Brookville Bridge Co.; rehabilitated 1995
Through truss bridge over Clifty Creek on CR 410 North in Hartsville
Open to traffic

Clifty Creek Bridge (Decatur County, Indiana)
Built ca. 1890; rehabilitated 1992
Five-span stone arch bridge over Clifty Creek on CR 725 West
Open to traffic

Clifty Creek Bridge (Bartholomew County, Indiana)
Built ca. 1910; rehabilitated 1982
Through truss bridge over Clifty Creek on CR 850 East
Open to traffic

Clifty Creek US 31 Bridge (Bartholomew County, Indiana)
Built 1941; rehabilitated 1985
Through truss bridge over Clifty Creek on US 31 in Columbus
Open to two-lane traffic

Clinton Spring Bridge (Pike County, Missouri)
Stone arch culvert over a branch of Noix Creek near Clinton Spring in Louisiana
Open to railroad traffic

Clover Creek US 60 Bridge (Breckinridge County, Kentucky)
Built 1922
Through truss bridge over Clover Creek on US 60 in Cloverport
Open to traffic

Clybourn Street Bridge (Milwaukee County, Wisconsin)
Built 1968
Vertical lift bridge over Milwaukee River on Clybourn Street in Milwaukee
Open to traffic

Clyde Hill Road Bridge (Ashtabula County, Ohio)
Built 1889 by the King Bridge Co.; one span washed out and replaced in 2002
Through truss bridge with modern pony truss approach over Grand River on Clyde Hill Road
Open to traffic

CMStPP RR Kinnickinnic River Swing Bridge (Milwaukee County, Wisconsin)
Through truss bridge over Burnham Canal, Kinnickinnic River on Canadian National Railroad in Milwaukee
Open to traffic

CMStPP RR Menomonee River Swing Bridge (Milwaukee County, Wisconsin)
Built for the Chicago, Milwaukee, St. Paul & Pacific Railroad
Through truss bridge over Menomonee River on Canadian National Railroad in Milwaukee
Open to traffic

CNRR Kinnickinnic Avenue Bridge (Milwaukee County, Wisconsin)
Built 1909 for The Milwaukee Road, now owned by Canadian National RR
Girder bridge over Sth 32-Kinnickinnic Street on Canadian National Railroad in Milwaukee
Open to traffic

Coachman Road Bridge (Pinellas County, Florida)
Built 1926 by the Luten Bridge Co.
Rainbow arch bridge over Alligator Creek on FL 590 (Coachman Road) in Clearwater
Open to two-lane traffic

Coal Creek Bridge (Fountain County, Indiana)
Built ca. 1910
Through truss bridge over Coal Creek on CR 30 East
Open to traffic

Coal Creek Bridge (Fountain County, Indiana)
Built ca. 1910; rehabilitated 1963
Two-span through truss bridge over Coal Creek on CR 800 South
Open to traffic

Coaldale Bridges (Fremont County, Colorado)
Old bridge built 1906. The newer bridge was probably relocated here from elsewhere
Pair of through truss bridges over Arkansas River at Coaldale on CR 6 just north of US 50
Old bridge closed to all traffic; newer bridge open to traffic on a minor gravel road

Cobleigh Road Bridge (Jackson County, Oregon)
Built 1954
Through truss bridge over Big Butte Creek on CR 949 (Cobleigh Road)
Open to traffic

Coburg Road Bridge (Lane County, Oregon)
Built 1950
Through truss bridge over Willamette River on Coburg Road in Eugene
Open to traffic

Coffeyville Bridge (Montgomery County, Kansas)
Built 1926; made obsolete by new bridge and alignment in 1948
Three-span Marsh arch bridge over Verdigris River
Open to traffic

Cogan Station Bridge (Lycoming County, Pennsylvania)
Built 1941
Through truss bridge over Lycoming Creek on PA 973
Open to traffic

Coldwater Creek Railroad Bridge (St. Louis County, Missouri)
Brick arch bridge over Coldwater Creek on the BNSF Railroad near Spanish Lake in West Alton
Open to traffic

Cole Camp Creek NE 301 Bridge (Benton County, Missouri)
Originally built by the Sedalia, Warsaw and Southwestern Railroad
Pony plate girder bridge over Cole Camp Creek on County Road NE 301
Open to one-lane traffic

Colfax Avenue over the Los Angeles River (Los Angeles County, California)
Built 1956
Deck truss bridge over Los Angeles River on Colfax Avenue in Los Angeles
Open to traffic

Collawash River Bridge (Clackamas County, Oregon)
Built 1956
Concrete arch bridge over Collawash River on Road
Open to traffic

Colledge Street Bridge (Butler County, Missouri)
Built ca. 1960
Stringer bridge with wooden deck over Cattail Creek on Colledge Street (CR 572) in Rombauer
Open to one-lane traffic

Coller Wildlife Area Bridge (Mineral County, Colorado)
Built ca. 1930
Pony truss bridge over the Rio Grande on CR 430 just off CO 149 at Coller State Wildlife Area
Open to traffic on a gravel road

Colorado Blvd. over the Arroyo Seco (Los Angeles County, California)
Built 1913; rehabilitated 1993
Concrete arch bridge over Arroyo Seco on Colorado Blvd. in Pasadena
Open to traffic

Colsac III Ferry (Columbia County, Wisconsin)
Privately owned, fee ferry from 1844 to 1923, operated by State of Wisconsin since 1933 as a free ferry
Ferry across Wisconsin River on Wis 113
Open to traffic

Columbia Bridge (Monroe County, Missouri)
Built ca. 1930
Through truss bridge over Elk Fork Salt River on CR 875, southwest of Paris
Open to one-lane traffic

Columbia River Bridge (Wasco County, Oregon)
Built 1954
Through truss bridge over Columbia River on US 197 in City of The Dalles
Open to traffic

Columbia River Bridge (Clatsop County, Oregon)
Built 1966
Through truss bridge over Columbia River on US 101 in Astoria
Open to traffic

Columbia River Interstate Bridge (Multnomah County, Oregon)
Northbound bridge built 1917; southbound bridge built 1958
Pair of vertical lift bridges over the Columbia River on I-5 between Vancouver and Portland in Portland
Open to traffic

Columbia Road Bridge (Ozaukee County, Wisconsin)
Built 1949; rehabilitated 1988
Steel stringer bridge over Cedar Creek on Columbia Road (Former Wis 57)
Open to traffic

Columbia-Wrightsville Lincoln Highway Bridge (Lancaster County, Pennsylvania)
Built 1929; rehabilitated 1988
Open-spandrel arch bridge over Susquehanna River on PA 462 (Old Lincoln Highway) between Columbia and York Counties
Open to traffic

Columbus Bridge (St. Louis, Missouri)
Replica three-span stone arch bridge on Grand Drive in Forest Park
Open to traffic

Columbus Drive Bridge (Cook County, Illinois)
Built 1982
Bascule bridge over Main Branch Chicago River on Columbus Drive in Chicago
Open to traffic

Colvin Covered Bridge (Bedford County, Pennsylvania)
Built 1866 (there is some controversy over the date) by J.H. Thompson; rehabilitated 1998
Multiple Kingpost through truss bridge over Shawnee Creek on TR443, Mill Road in Schellsburg
Open to traffic

Compton Junction Bridge (Vernon County, Missouri)
Built 1925
Through truss bridge over Marmaton River on CR 229 (Old US 71) north of Compton Junction
Open to traffic

Conasauga River Railroad Bridge (Polk County, Tennessee)
Built in 1930 by Mt. Vernon Bridge Company
Bridge over Conasauga River on CSX Railroad in Old Fort
Open to traffic

Concord Covered Bridge (Cobb County, Georgia)
Built 1872
Bridge over Nickajack Creek on Concord Rd. in Smyrna
Open to traffic

Concord Hill Road Bridge (Warren County, Missouri)
Built ca. 1920
Pony truss bridge over Howard Branch on Concord Hill Road
Open to one-lane traffic

Concord Street over the Verdugo Wash (Los Angeles County, California)
Built 1940
Through truss bridge over Verdugo Wash on Concord Street in Glendale
Open to traffic

Conde B. McCullough Memorial Bridge (Coos County, Oregon)
Built 1936
Truss bridge over Coos Bay on US 101 in North Bend
Open to traffic

Congress Street Bridge (Floyd County, Iowa)
Built 1955
Steel stringer bridge over Shell Rock River on Congress Street in Nora Springs
Open to traffic

Conley's Ford Covered Bridge (Parke County, Indiana)
Built 1907 by J. Van Fossen
Covered bridge over Big Raccoon Creek on CR 550E, east of Bridgeton
Open to traffic

Conrail Tunnel (Madison County, Illinois)
Bridge over Tr 194 on Conrail east of Collinsville, IL


Conroe Bridge (Geary County, Kansas)
Built 1925
Rainbow arch bridge over Clarks Creek on Ascher Road
Open to traffic

Cooks-Yankeetown Road Bridge (Fayette County, Ohio)
Built 1949
Pony truss bridge over North Fork Paint Creek on CR 34 (Cooks-Yankeetown Road)
Open to traffic

Cool Springs Bridge (Wayne County, Missouri)
Built 1924
Pony truss bridge over Otter Creek near Cool Springs Church on CR 403 (Old US 67)
Open to two-lane traffic on a gravel road

Coombs Street Bridge (Butler County, Missouri)
Stringer bridge with stone abutments over Cattail Creek on Coombs Street (CR 575) in Rombauer
Open to one-lane traffic

Coon Creek Bridge (Benton County, Arkansas)
Built ca. 1930; rehabilitated 1976
Pony truss bridge over Coon Creek on CR 24
Open to traffic

Coop Creek Bridge (Sebastian County, Arkansas)
Built 1940
Concrete slab bridge with stone piers over Coop Creek on Broadway Street (CR 236) in Mansfield
Open to traffic

Coopers Loop Bridge (Cooper County, Missouri)
Small concrete arch bridge on Coopers Loop, just off Route A east of Otterville
Open to traffic

Coosa River Bridge (Etowah County, Alabama)
Built 1939
Through truss bridge over Coosa River on AL 77 in Southside
Open to traffic

Coosa River Bridge (Elmore County, Alabama)
Built 1931
Rainbow arch bridge over Coosa River on AL 111 in Wetumpka
Open to traffic

Coosa River Bridge (Etowah County, Alabama)
Built 1927
Concrete arch bridge over Coosa River on Broad Street in Gadsden
Open to traffic

Cornish-Windsor Covered Bridge (Sullivan County, New Hampshire)
Built 1866; rehabilitated 1989
Two-span covered bridge over Connecticut River between Cornish, NH, and Windsor, VT
Open to one-lane traffic

Cornstalk Covered Bridge (Putnam County, Indiana)
Built 1917 by J.A. Britton; rehabilitated 1990
Covered bridge over Cornstalk Creek on CR 1350N
Open to traffic

Cortland Street Bridge (Cook County, Illinois)
Built 1901-02
Bascule bridge over North Branch Chicago River on W. Cortland Street in Chicago
Open to traffic

Costilla Crossing Bridge (Conejos County, Colorado)
Built 1892 by the Wrought Iron Bridge Co.; rehabilitated 2006
Two-span Thacher through truss bridge over the Rio Grande on CR G east of Antonito
Open to one-lane traffic

Cotter Bridge (Baxter County, Arkansas)
Built 1930 by the Marsh Engineering Co. and Bateman Contracting Co.; rehabilitated 2003-04
Six-span rainbow arch bridge over White River on US 62B at Cotter
Open to two-lane traffic

Cotter Railroad Bridge (Baxter County, Arkansas)
Through truss swing railroad bridge over the White River at Cotter, just north of the US 62B bridge
Open to railroad traffic

Cotter Tunnel (Marion County, Arkansas)
Built 1903-04
Tunnel on the Union Pacific Railroad (formerly Missouri Pacific) just northwest of Cotter
Open to railroad traffic

Cottonwood River Bridge (Marion County, Kansas)
Built 1915
Through truss bridge over Cottonwood River, 2.1 mi. east and 0.6 mi. south of Florence
Open to traffic

Cottonwood River Bridge (Lyon County, Kansas)
Built ca. 1910
Through truss bridge over Cottonwood River, 7.0 mi. west and 0.5 mi. south of Neosho Rapids
Open to traffic

Country Club Road Bridge (Walker County, Alabama)
Built 1898 by the Canton Bridge Co.
Through truss bridge over Blackwater Creek on Country Club Road in Jasper
Open to one-lane traffic

County Line Bowstring Bridge (Cloud County, Kansas)
Bowstring truss bridge over West Creek on Republic Road, northwest of Hollis
Open to one-lane traffic on a low-maintenance road

County Line Bridge (Hancock County, Indiana)
Built 1916 by Burk Construction Co.
Through truss bridge over Big Blue River on CR 900 East
Open to traffic

Court Avenue Bridge (Polk County, Iowa)
Built 1918; rehabilitated 1982
Five-span arch bridge over Des Moines River on Court Avenue in Des Moines
Open to traffic

Courter Road Bridge (Licking County, Ohio)
Concrete arch bridge over South Fork Licking River on Courter Road (TR 157) in Pataskala
Open to traffic

Cove Creek AR 124 Bridge (Conway County, Arkansas)
Built 1957-58 by Forsgren Brothers of Fort Smith, Arkansas
Through truss bridge over Cove Creek on AR 124
Open to traffic

Cove Creek Bridge (Logan County, Arkansas)
Built 1936 by the Works Progress Administration
Two-span stone arch bridge over Cove Creek on AR 309
Open to two-way traffic

Cove Creek Tributary Bridge (Logan County, Arkansas)
Built 1936 by the Works Progress Administration
Small two-span stone arch bridge over a branch of Cove Creek on AR 309
Open to two-way traffic

Cove Lake Spillway Bridge (Logan County, Arkansas)
Built 1936 by the Works Progress Administration
Five-span stone arch bridge over Cove Lake Spillway on AR 309
Open to traffic

Covered Bridge Replacement (Ozaukee County, Wisconsin)
Built 1961 to bypass the historic covered bridge
Bridge over Cedar Creek on Covered Bridge Road
Open to traffic

Covington Bridge (Washington County, Illinois)
Built 1985. Replaced a through truss bridge that stood at this location.
Beam bridge over Kaskaskia River on Covington Road
Open to traffic

Cow Creek Bridge (Douglas County, Oregon)
Built 1954
Pony/through girder bridge over Cow Creek on CR 39
Open to traffic

Cowan Bridge (Cedar County, Missouri)
Built ca. 1910
Through truss bridge over Sac River on CR 400
Open to one-lane traffic