There are 32,408 bridges in this category · Only showing 15,823 bridges with photos
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Open

Intercity Viaduct (Wyandotte County, Kansas)
Completed in 1907; lower level added 1930; parallel span opened in 1962
Two-level deck truss bridge over Kansas River on I-70 Eastbound in Kansas City
Open to four lanes of traffic on upper level and pedestrian traffic on lower level

Interlachen Bridge (Hennepin County, Minnesota)
Built 1900
Concrete arch bridge over Minnesota Transportation Museum street railway track in William Beery Park
Open to traffic

Intermediate River Bridge (Antrim County, Michigan)
Built 1931; rehabilitated 2000
Steel stringer bridge over Intermediate River on M-88
Open to traffic

International Bridge (Chippewa County, Michigan)
Built 1963
Cantilevered arch bridge over St. Mary River on I-75 at Sault Ste. Marie
Open to traffic

International Peace Garden Bridge #2 (Rolette County, North Dakota)
Built 1934 by Civilian Conservation Corps
Log stringer bridge over Drainage on Peace Garden Road
Open to traffic

International Railroad Bridge (Chippewa County, Michigan)
Built 1895
Baltimore through truss bridge over St Mary's River on Wisconsin Central Railroad
Open to traffic

International Railway Bridge (Erie County, New York)
Built 1901
Through truss swing bridge over Niagara River on Railroad (CN)
Open to traffic

Interstate 40 French Broad River Bridge (Jefferson County, Tennessee)
Built 1960; rehabilitated in 2009
Deck truss bridge over French Broad River (Douglas Lake) on I-40
Open to traffic

Interstate Bridge (Marinette County, Wisconsin)
Bridge over Menominee River on Marinette County Highway K
Open to traffic

Intracoastal Canal Bridge (St. Mary Parish, Louisiana)
Built 2005
Bascule bridge over Intracoastal Canal on LA 319
Open to traffic

Intracoastal Waterway Bascule Bridge (Palm Beach County, Florida)
Built 2001
Bascule bridge over Intracoastal Waterway on FL 804 (E. Ocean Avenue) in Boynton Beach
Open to traffic

Intracoastal Waterway Bridge (Broward County, Florida)
Built 1962
Bascule bridge over Intracoastal Waterway on FL 822 (Sheridan) in Hollywood
Open to traffic

Intracoastal Waterway Bridge (Broward County, Florida)
Built 1967
Bascule bridge over Intracoastal Waterway on 14 Street Causway in Pompano Beach
Open to traffic

Intracoastal Waterway Bridge (Broward County, Florida)
Built 2002
Bascule bridge over Intracoastal Waterway on FL 858 Eastbound in Hallandale
Open to traffic

Intracoastal Waterway Bridge (Broward County, Florida)
Built 2000
Bascule bridge over Intracoastal Waterway on FL 858 Westbound in Hallandale
Open to traffic

Intracoastal Waterway Bridge (Broward County, Florida)
Built 1956
Bascule bridge over Intracoastal Waterway on FL A1A in Dania
Open to traffic

Intracoastal Waterway Bridge (Miami-Dade County, Florida)
Built 1972
Pair of bascule bridges over Intracoastal Waterway on NE 79 Street in Miami
Open to traffic

Intracoastal Waterway Bridge (Miami-Dade County, Florida)
Built 1989
Pair of bascule bridges over Intracoastal Waterway on FL 826 in Sunny Isles
Open to traffic

Intracoastal Waterway Bridge (Palm Beach County, Florida)
Built 1956
Bascule bridge over Intracoastal Waterway on US 1 in North Palm Beach
Open to traffic

Intracoastal Waterway Bridge (Palm Beach County, Florida)
Built 1949
Bascule bridge over Intracoastal Waterway on George Bush Blvd. in Delray Beach
Open to traffic

Intracoastal Waterway Bridge (Palm Beach County, Florida)
Built 1969
Bascule bridge over Intracoastal Waterway on CR 707 (Beach Road) in Tequesta
Open to traffic

Intracoastal Waterway Bridge (Palm Beach County, Florida)
Built 1950
Bascule bridge over Intracoastal Waterway on CR 812 (Ocean Avenue) in Lantana
Open to traffic

Intracoastal Waterway Bridge (Palm Beach County, Florida)
Built 1938
Bascule bridge over Intracoastal Waterway on FL A1A in Palm Beach
Open to traffic

Intracoastal Waterway Bridge (Palm Beach County, Florida)
Built 1973
Pair of bascule bridge over Intracoastal Waterway on FL 802 (Lake Avenue) in Lake Worth
Open to traffic

Intracoastal Waterway Bridge (Pinellas County, Florida)
Built 1966
Bascule bridge over Intracoastal Waterway on FL 693 (Corey Avenue) in Gulfport
Open to traffic

Intracoastal Waterway Bridge (Pinellas County, Florida)
Built 1962
Bascule bridge over Intracoastal Waterway on FL 682 in Saint Petersburg Beach
Open to traffic

Intracoastal Waterway Bridge (Pinellas County, Florida)
Built 1958
Bascule bridge over Intracoastal Waterway on FL 688 in Indian Rocks Beach
Open to traffic

Intracoastal Waterway Bridge (Pinellas County, Florida)
Built 1981
Bascule bridge over Intracoastal Waterway on Park Blvd./78th Avenue N in Indian Shores
Open to traffic

Intracoastal Waterway Bridge (Sarasota County, Florida)
Built 1966
Bascule bridge over Intracoastal Waterway on Business US 41 in South Venice
Open to traffic

Intracoastal Waterway Bridge (Sarasota County, Florida)
Built 1966
Bascule bridge over Intracoastal Waterway on Venice Avenue (CR 772) in Venice
Open to traffic

Intracoastal Waterway Bridge (Sarasota County, Florida)
Built 1964
Bascule bridge over Intracoastal Waterway on CR 774 in Manasota Key
Open to traffic

Intracoastal Waterway Bridge (Sarasota County, Florida)
Built 1968
Pair of bascule bridges over the Intracoastal Waterway on FL 72 in Siesta Key
Open to traffic

Intracoastal Waterway Bridge (Brunswick County, North Carolina)
Built 1961
Pontoon Floating bridge over Intracoastal Waterway on NC 1172 in Sunset Beach
Open to traffic

Intracoastal Waterway Bridge (New Hanover County, North Carolina)
Built 1956
Bascule bridge over Intracoastal Waterway on US 74/US 76 in Wrightsville Beach
Open to traffic

Intracoastal Waterway Bridge (Horry County, South Carolina)
Built 1935; rehabilitated 1980
Warren through truss swing bridge over Intracoastal Waterway on S-26-20 (formerly US 17) in Little River
Open to traffic

Intracoastal Waterway Bridge (Horry County, South Carolina)
Built 1935
Swing bridge over Intercoastal Waterway on S-26-616 in Socastee
Open to traffic

Intracoastal Waterway Bridge (Matagorda County, Texas)
Built 1969; rehabilitated 1982
Swing bridge over Intracoastal Waterway on FM 457
Open to traffic

Intracoastal Waterway Bridge (Palm Beach County, Florida)
Built 2004
Bridge over Intracoastal Waterway on E/B S.R. 704
Open to traffic

Intracoastal Waterway Bridge (Palm Beach County, Florida)
Built 1976
Stringer bridge over Intracoastal Waterway on Sr A1a
Open to traffic

Intracoastal Waterway Bridge (Terrebonne Parish, Louisiana)
Built 1996
Girder bridge over Intracoastal Waterway on La0024
Open to traffic

Intracoastal Waterway Bridge (Broward County, Florida)
Built 1956
Deck girder bridge over Intracoastal Waterway Hillsboro River/ Bay on State Route 814
Open to traffic

Intracoastal Waterway Bridge (Palm Beach County, Florida)
Built 1999
Deck girder bridge over Intracoastal Waterway on Donald Ross Road
Open to traffic

Intrepid Road Bridge (Macon County, Missouri)
Built ca. 1940
Wooden bridge over BNSF Railway on Intrepid Road
Open to traffic

Inverness Road Bridge Lower Moreland Twp, PA (Montgomery County, Pennsylvania)
Bridge over Tributary Pennypack Creek on Inverness Road in Lower Moreland Township, PA
Open to traffic

IORY - Little Miami River Bridge (Clermont County, Ohio)
Built 1929 by the American Bridge Company
Pony/through plate girder bridge over Little Miami River on CSX Railraod
Open to traffic

IORY - O'Bannon Creek Bridge (Clermont County, Ohio)
Built 1929
Pony/through plate girder bridge over O'Bannon Creek on CSX Railraod
Open to traffic

IORY - Old Remington Road Overpass (Hamilton County, Ohio)
Stone arch bridge over Old Remington Road on Railroad
Open to traffic

IORY - Turtle Creek Bridge (Warren County, Ohio)
Pratt through truss bridge over Turtle Creek on Lebanon Mason Monroe Railroad
Open to traffic

IORY - US6 Overpass (Henry County, Ohio)
Built 1926
Slab bridge over US 6 on Indiana & Ohio Railway
Open to traffic

Iowa Avenue Bridge (Johnson County, Iowa)
Built 1916; rehabilitated 1985
Three-span arch bridge over Iowa River on Iowa Avenue in Iowa City
Open to traffic

Iowa River Bridge (Hardin County, Iowa)
Built 1936; rehabilitated 1999
Steel stringer bridge over Iowa River on Main Street
Open to traffic

Iowa River E Avenue Bridge (Tama County, Iowa)
Built 1938
Through truss bridge over Iowa River on E Avenue
Open to traffic

Iowa River P Avenue Bridge (Tama County, Iowa)
Built 1941
Through truss bridge over Iowa River on P Avenue
Open to traffic

IR - Clear Creek Bridge (Kendall County, Illinois)
Steel stringer bridge over Clear Creek on Illinois Railway (former CB&Q)
Open to traffic

IR - Fox River Bridge (La Salle County, Illinois)
Howe deck truss bridge over Fox River on Illinois Railway (former CB&Q) just W of Sheridan
Open to traffic

IR - Fox River Bridge (Boulder Hill) (Kendall County, Illinois)
Built 1938
Steel stringer bridge over IL 25 & Fox River on Illinois Railway (former CB&Q)


IR - Fox River Road Overpass (Kendall County, Illinois)
Pony/through plate girder bridge over Fox River Rd on Illinois Railway (former CB&Q)
Open to traffic

IR - Hollenback Creek Trestle (Kendall County, Illinois)
Timber stringer trestle over Hollenback Creek on Illinois Railway (former CB&Q)
Open to traffic

IR - IL 25 Overpass (Kendall County, Illinois)
Built 1935 as part of the CB&Q RR (Burlington Route)
Steel stringer bridge over Ill Rte 25 on Illinois Railway (former CB&Q)
Open to traffic

IR - Illinois River Bridge (Ottawa) (La Salle County, Illinois)
Built 1898; Lift span added ca. 1932
Through truss bridge over Illinois River on Chicago, Burlington, and Quincy Railroad in Ottawa


IR - Morgan Creek Trestle (Kendall County, Illinois)
Timber stringer bridge over Morgan Creek on Illinois Railway (former CB&Q)
Open to traffic

IR - Rock River Bridge (Winnebago County, Illinois)
Through truss bridge over Rock River on Illinois Railway (former CB&Q) in Rockford
Open to traffic

IR - Unnamed Creek Trestle (Kendall County, Illinois)
Timber stringer bridge over Unnamed Creek on Illinois Railway (former CB&Q)
Open to traffic

IR - Waubansee Creek Bridge (Kendall County, Illinois)
Built in 1948
Steel stringer bridge over Waubansee Creek on Illinois Railway (former CB&Q)
Open to traffic

Irene Rd Kishwaukee River Bridge (De Kalb County, Illinois)
Built 2004
Stringer bridge over S Br Kishwaukee River on Irene Road
Open to traffic

Irigaray Bridge (Johnson County, Wyoming)
Built 1913; rehabilitated 1963;
Pennsylvania through truss bridge over Powder River on CR 254
Open to traffic

Irish Creek Bridge (Marshall County, Kansas)
Built ca. 1910
Pony truss bridge over Irish Creek, 3.0 mi. south and 1.5 mi. west of Vliets
Open to traffic

Irish Creek Bridge (Marshall County, Kansas)
Built ca. 1940
Girder and floorbeam system bridge over Irish Creek on 24th Terrace
Open to traffic

Irish Hollow Creek Bridge (Jo Daviess County, Illinois)
Built 1922
Concrete through girder bridge over Irish Hollow Creek on S Irish Hollw Rd
Open to traffic

Irish Road Bridge (Calumet County, Wisconsin)
Built 1920
Six vault stone arch bridge over North Branch Manitowoc River on Irish Road
Open to traffic

Iron Bridge (Franklin County, Massachusetts)
Built 1890; rehabilitated 1994
Warren through truss bridge over Deerfield River on Bridge Street in Buckland
Open to traffic

Iron Bridge (Lancaster County, Pennsylvania)
Built in 1890 by the Variety Iron Works of Cleveland, Ohio
Pratt through truss bridge over Mill Creek on Mennonite School Rd
Open to traffic

Iron Bridge Road Bridge (Lancaster County, Pennsylvania)
Built 1898; rehabilitated 1975
Pony truss bridge over Conestoga River on Iron Bridge Road
Open to traffic

Iron Bridge Road bridge (Hunterdon County, New Jersey)
Built 1852; new bridge installed 1900, rehabilitated 2002
Girder bridge over Aband.Raritan Valley Ln on Iron Bridge Road
Open to traffic

Iron City Railroad Bridge (Lawrence County, Tennessee)
Deck plate girder bridge over Shoal Creek on Tennessee Southern Railroad
Open to traffic

Iron Mountain Road Pigtail Bridge #2 (Pennington County, South Dakota)
Built 1992
Steel stringer bridge over US 16A, on US 16A
Open to traffic

Iron Mountain Road Pigtail Bridge #3 (Pennington County, South Dakota)
Built 1985
Steel stringer bridge over US 16A, on US 16A
Open to traffic

Iron Mountain Road Tunnel (US 16A) (Pennington County, South Dakota)
Tunnel on US 16A (Iron Mountain Road)
Open to traffic

Iron Ridge Road Bridge (Franklin County, Virginia)
Built 1906
Girder bridge over NS Railway on Iron Ridge Rd (Route 775)
Open to traffic

Iron Springs Road Bridge (Adams County, Pennsylvania)
Built 1836-42 by the Tapeworm Railroad
Stone arch bridge over Toms Creek on PA 3014
Open to traffic

Iron Street Bridge (Miami County, Kansas)
Concrete pony/through girder bridge over Tributary to Bull Creek on Iron Street
Open to traffic

Ironstone Bridge (Berks County, Pennsylvania)
Built 1907
Concrete arch bridge over Ironstone Creek on PA 2040. Farmington Ave S. Boyertown, PA
Open to traffic

Ironton Bridge (Iron County, Missouri)
Built in 1926 by the Missouri State Highway Department; made obsolete in 1967 by a new alignment of MO 21
Tee beam bridge over Stouts Creek on Main Street (Old MO Highway 21) between Ironton and Arcadia
Open to traffic

Ironton-Russell Bridge (Lawrence County, Ohio)
Built 1922, owned by the Kentucky State Highway Department
Cantilevered Warren through truss bridge over the Ohio River between Ironton, Ohio and Russell, Kentucky
Open to traffic

Ironwood Bluff Bridge (Itawamba County, Mississippi)
Built 1921
Through truss bridge over Old Tombigbee River on Van Buren Road
Open to traffic

Ironwood Road Bridge (Fayette County, Iowa)
Built ca. 1965
Three-span pony truss bridge over Turkey River on Ironwood Road
Open to traffic

Irrigation Canal Bridge (Kootenai County, Idaho)
Built 1930
Concrete deck girder bridge over Irrigation Canal on W 4th Street
Open to traffic

Irving Road Overpass (Bedford County, Virginia)
Built 1906
Girder bridge over NS Railway on Irving Road (Route 689)
Open to traffic

Isaac Lee Patterson Bridge (Curry County, Oregon)
Built 1930
Concrete arch bridge over Rogue River on US 101 in Gold Beach
Open to traffic

Isabel Holmes Bridge (New Hanover County, North Carolina)
Built 1980
Bascule bridge over NE Cape Fear River on US 74/NC 133 in Wilmington
Open to traffic

Isabell Creek AR 105 Bridge (Pope County, Arkansas)
Built 1928 by the Maxwell Construction Co.
Open-spandrel arch bridge over Isabell Creek on AR 105 near Oak Grove
Open to one-lane traffic

Islais Creek Bridge (San Francisco County, California)
Built 1945
Bascule bridge over Islais Creek on Third Street in San Francisco
Open to traffic

Island Creek Branch Bridge (Jasper County, Illinois)
Arch bridge over a branch of Island Creek on TR 39, 3 mi. northeast of Island Grove
Open to traffic

Island Park Low Water Crossing (Lyon County, Iowa)
Low-water crossing over Rock River at Island Park in Rock Rapids
Open to one-lane traffic

Island Road Bridge over Rockaway Creek (Hunterdon County, New Jersey)
splint reinforced in 2001
Pratt pony truss bridge over Rockaway Creek on Island Road
Splint reinforced with pair of 36"x12" girders

Isle du Bois Bridge (Ste. Genevieve County, Missouri)
Built 1924
Concrete bridge over South Fork Isle du Bois Creek on Old TT (formerly US 61)
Open to traffic on a paved dead-end road

Isleton Bridge (Sacramento County, California)
Built 1923; rehabilitated 1953
Bascule bridge over Sacramento River on CA 160
Open to traffic

Isley Boulevard Bridge (Clay County, Missouri)
Built 1934
Concrete tee beam bridge over Fishing Creek on MO 10 (Isley Blvd.)
Open to traffic

Issaquah Creek Bridge (King County, Washington)
Built 1940
Stringer bridge over Issaquah Creek on NW Gilman Blvd.
Open to traffic

Isthmus Slough Bridge (Coos County, Oregon)
Built 1931, East approach rebuilt 2011
Bascule bridge over Isthmus Slough on Coos River Highway
Open to traffic