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

College Street Bridge (Latah County, Idaho)
Built 1915
Concrete arch bridge over Paradise Creek on College Street in Moscow
Open to 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 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

Conestoga River Bridge (Lancaster County, Pennsylvania)
Built 1933
Concrete arch bridge over Conestoga River on PA 462 in Lancaster
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

Coram Railroad Bridge (Flathead County, Montana)
Built ca. 1900
Two-span Baltimore deck truss bridge over Flathead River on the BNSF Railroad
Open to railroad 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 Creek Bridge (Sedgwick County, Colorado)
Built 1922
Concrete bridge over Cottonwood Creek on CR 22.9
Open to traffic

Cottonwood Creek Bridge (Doniphan County, Kansas)
Through truss bridge over Cottonwood Creek, 3.5 mi. east and 1.7 mi. south of Bendena
Open to 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 Highway DJ Bridge (Dodge County, Wisconsin)
Built 1910
Steel stringer bridge over CTH DJ on UPRR (Formerly Chicago & Northwestern) in Town of Emmett
Open to traffic

County Highway E Bridge (Dodge County, Wisconsin)
Built 1910
Steel stringer bridge over CTH E on UPRR (Formerly Chicago & Northwestern) in Town of Emmett
Open to 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

Coweeman River Bridge (Cowlitz County, Washington)
Built 1947
Through truss bridge over Coweeman River on Kelso Drive in Kelso
Open to traffic

Cowley Bridge (Lincoln County, Tennessee)
Built by the King Iron Bridge Co. in 1878. Placed on the National Register of Historic Places in 1983.
Bowstring through truss bridge over Elk River on West Stevens Creek Road
Open to traffic

Cowlitz River Bridge (Cowlitz County, Washington)
Built 1961; rehabilitated 1971
Through truss bridge over Cowlitz River on WA 432 in Kelso
Open to traffic

Cowlitz River Bridge (Cowlitz County, Washington)
Built 1951
Through truss bridge over Cowlitz River on WA 4 in Kelso
Open to traffic

Cox Bridge (Jackson County, Minnesota)
Built 1979. Previous bridge was a 6-panel Pratt through truss bridge with A-frame portal bracings and 45° heel strut bracings. Built in 1900
Steel stringer bridge over Des Moines River on Twp 131
Open to traffic

Cox Ford Covered Bridge (Parke County, Indiana)
Built 1913 by J.A. Britton; rehabilitated 1977
Covered bridge over Sugar Creek on CR N110E, north of Rockville
Open to traffic

Crabb Creek Bridge (Cowley County, Kansas)
Built ca. 1900
Stone arch bridge over Crabb Creek on a local road just off Crabb Creek Road southwest of Dexter
Open to one-lane traffic

Craig Memorial Bridge (Lucas County, Ohio)
Bascule bridge over Maumee River on I-280 in Toledo
Open to traffic

Cravath Creek Bridge (Walworth County, Wisconsin)
Built 1880; rehabilitated 1967
Stone arch bridge over Cravath Creek on North Street in Whitewater
Open to traffic

Creamery Bridge (Miami County, Kansas)
Built 1930
Three-span March arch bridge over Marais Des Cygnes River at Osawatomie
Open to traffic

Creasyville Covered Bridge (Columbia County, Pennsylvania)
Built 1881; rehabilitated 1996
Covered bridge over Little Fishing Creek on TR 683, northeast of Sereno
Open to traffic

Creek Road Covered Bridge (Ashtabula County, Ohio)
Built 1880; rehabilitated 1995
Covered bridge over Conneaut Creek on Creek Road in Conneaut
Open to traffic

Cromley Road Bridge (Pickaway County, Ohio)
Built 1907 by the Oregonia Bridge Co. of Lebanon, Oh.; rehabilitated 1989
Through truss bridge over Walnut Creek on Cromley Road (CR 28) in Ashville
Open to traffic

Crooked Creek Bridge (Jasper County, Illinois)
Arch bridge over Crooked Creek on TR 109, 1.5 mi. southeast of Rose Hill
Open to traffic

Crooked Creek Bridge (Jefferson County, Kansas)
Built ca. 1910
Through truss bridge over Crooked Creek on CR 202, 4.5 mi. east of Nortonville
Open to traffic

Crooked Creek Overflow (Washington County, Illinois)
Built 1934; rehabilitated 1988
Steel stringer bridge over Overflow Crooked Creek on Ill 127
Open to traffic

Crooked Creek US 62 Bridge (Marion County, Arkansas)
Built 1948 by the Pioneer Construction Co. of Malvern, Arkansas
Three-span deck truss bridge over Crooked Creek on US 62 in Pyatt
Open to traffic

Crooked River Rail Bridge (Jefferson County, Oregon)
Built 1911
Steel arch bridge over Crooked River on BNSF/Union Pacific Railroad in Terrebonne
Open to traffic

Crooks Covered Bridge (Parke County, Indiana)
Built 1856 by Henry Wolfe; rebuilt 1867
Covered bridge over Little Raccoon Creek on CR 225 East
Open to traffic

Crosley Bridge (Jennings County, Indiana)
Built ca. 1910; rehabilitated 1977
Through truss bridge over Muscatatuck River in Crosley Fish & Wildlife Area
Open to one-lane traffic

Crow's Bridge (Putnam County, Indiana)
Built 1902
Through truss bridge over Big Walnut Creek on CR 100 East
Open to traffic

Crowley's Ridge State Park Bridge (Greene County, Arkansas)
Built 1935 by the CCC
Stone arch bridge over a drainage ditch on Crowleys Ridge Road
Open to traffic

CSAH 1 Bridge (Rock County, Minnesota)
Built 1968
Timber stringer bridge over Rock River on Csah 1 in Ash Creek
Open to traffic

CSX Railroad Bridge (Knox County, Indiana)
Built 1940
Timber stringer bridge over Csx Railroad on Se 150 S
Open to traffic

CSX Railroad Bridge (Anderson County, Tennessee)
Through truss bridge over Clinch River (Melton Hill Lake) on CSX Railroad (formerly Louisville & Nashville Railroad) in Oak Ridge, Tennessee
Open to traffic

CSX Railroad CR 75 Bridge (De Kalb County, Indiana)
Built ca. 1920
Four-span pony truss bridge over CSX Railroad on CR 75
Open to traffic

CSX Railroad River Bridge (Marshall County, Tennessee)
The only through truss bridge on any railroad between Nashville, Tennessee and Decatur, Alabama
Subdivided Warren through truss bridge over Duck River on CSX Railroad in Northern Marshall County
Open to traffic

Cuivre River Route H Bridge (Lincoln County, Missouri)
Built 1953
Pony truss bridge over West Fork Cuivre River on Route H, northwest of Troy
Open to two-lane traffic

Cuivre River State Park Bridge No. 1 (Lincoln County, Missouri)
Built ca. 1938 by the Civilian Conservation Corps
Stone culvert over a branch of Little Sugar Creek on MO 147 in Cuivre River State Park
Open to traffic

Cuivre River State Park Bridge No. 2 (Lincoln County, Missouri)
Built ca. 1938 by the Civilian Conservation Corps
Stone culvert over a branch of Little Sugar Creek on MO 147 in Cuivre River State Park
Open to traffic

Cuivre River State Park Bridge No. 3 (Lincoln County, Missouri)
Built ca. 1938 by the Civilian Conservation Corps
Two-span stone culvert over a branch of Little Sugar Creek on MO 147 in Cuivre River State Park
Open to traffic

Cuivre River State Park Bridge No. 4 (Lincoln County, Missouri)
Built ca. 1938 by the Civilian Conservation Corps
Two-span stone culvert over a branch of Little Sugar Creek on MO 147 in Cuivre River State Park
Open to traffic