There are 39,781 bridges in this category · Only showing 23,589 bridges with photos
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Open

Ingraham Avenue Bridge (Mills County, Iowa)
Built 1954
Pony truss bridge over an unnamed creek on Ingraham Avenue
Open to traffic

Ingram Slough Bridge (Benton County, Oregon)
Built 1963
Polygonal Warren pony truss bridge over Ingram Slough on E. Ingram Island Road
Open to traffic

Ingrams Thorofare Bridge (Cape May County, New Jersey)
Built 1967
Girder bridge over Ingrams Thorofare on CR601 (Avalon Bvd)
Open to traffic

Ink Road Bridge (Linn County, Iowa)
Concrete slab bridge over Drainage on Ink Road
Open to traffic

Inland Dam Road Bridge (Blount County, Alabama)
Built 1936
Stone culvert bridge
Open

Inman Street Arch Bridge (Wise County, Virginia)
Built 1926
Luten open spandrel concrete arch bridge over North Fork Powell River on Inman Street in Appalachia
Open to traffic

INPR - Black Canyon Reservoir Tunnel (Gem County, Idaho)
Built 1923;
Tunnel on Idaho Northern and Pacific Railroad under Hill
Open to traffic

INPR - North Fork Payette River Bridge (Banks) (Boise County, Idaho)
Built 1912
Warren deck truss bridge over North Fork Payette River on Idaho Northern & Pacific Railroad
Open to traffic

INPR - North Fork Payette River Bridge (Cabarton) (Valley County, Idaho)
Pratt through truss bridge over North Fork Payette River on Idaho Northern & Pacific Railroad
Open to traffic

INPR - Tunnel 3 (Gem County, Idaho)
Built 1923;
Tunnel under Hill on Idaho Northern & Pacific Railroad
Open to traffic

INPR - Willow Creek Trestle (Union County, Oregon)
Timber stringer bridge over Willow creek
Timber trestle over willow creek

INPR Grande Ronde river bridge (Union County, Oregon)
Pony/through girder bridge over Grande Ronde river on INPR railroad
Open to traffic

INPR Wright Slough bridge (Union County, Oregon)
Timber stringer bridge over WRight Slough on INPR railroad
Open to traffic

INRD - Allisonville Road Overpass (Hamilton County, Indiana)
Still has a "N&W" sign denoting it's past ownership by the Norfolk and Western Railroad
Plate girder bridge over Allisonville Road on Hoosier Heritage Port Authority property/Indiana Transportation Museum operator(nee Norfolk Southern, N&W, NKP, Peru and Indianapolis Railroad) in Noblesville
Open to traffic

INRD - Beanblossom Creek Bridge (Brown County, Indiana)
Built 1905
Pony plate girder bridge over Beanblossom Creek on Indiana Rail Road
Open to traffic

INRD - Beanblossom Creek Trevlac (Brown County, Indiana)
Built 1905
Pony plate girder bridge over Bean Blossom Creek on INRD
Open to traffic

INRD - Beech Street Trestle (Vigo County, Indiana)
Rehabilitated in 2003
Timber stringer bridge over Beech Street and Lost Creek on Indiana Rail Road
Open to traffic

INRD - Cold Springs Road Overpass (Greene County, Indiana)
Tunnel under Indiana Rail Road on Cold Springs Road
Open to traffic

INRD - CR 410N Overpass (Greene County, Indiana)
Built ca. 1906
Concrete stringer bridge over CR 410N on Indiana Rail Road
Open to traffic

INRD - Elliston Viaduct (Greene County, Indiana)
Built 1906 and 1915
Pony/through plate girder bridge over River Court and former Big Four Railroad on Indiana Rail Road
Open to traffic

INRD - Elwren Underpass (Monroe County, Indiana)
Concrete stringer over West Elwren Road on Indiana Rail Road
Open to traffic

INRD - Fall Creek Bridge (Marion County, Indiana)
Part of the second oldest rail line in Indiana, this bridge helped connect Indianapolis with Kokomo, Peru, Plymouth, and Michigan City. Today Indiana Transportation Museum uses this line for excursions including the annual Indiana State Fair Train.
Pony truss bridge over Fall Creek on Railroad in Indianapolis
Open to traffic

INRD - Indiana 45/37 Overpass (Monroe County, Indiana)
Pony/through plate girder bridge over Indiana HW 45/37 on Indiana Rail Road
Open to traffic

INRD - Lost Creek Trestle (Vigo County, Indiana)
Timber stringer bridge over Lost Creek on Indiana Rail Road in Terre Haute
Open to traffic

INRD - North Adams Street Overpass (Monroe County, Indiana)
Slab bridge over North Adams Street on Indiana Rail Road
Open to traffic

INRD - North College Ave Overpass (Monroe County, Indiana)
Concrete stringer bridge over North College Ave on Indiana Rail Road Company
Open to traffic

INRD - North Fee Lane Overpass (Monroe County, Indiana)
Deck plate girder bridge over North Fee Lane on Indiana Rail Road Company
Open to traffic

INRD - North Fess Ave Overpass (Monroe County, Indiana)
Slab bridge over N Fess Ave on Indiana Rail Road Company
Open to traffic

INRD - North Indiana Ave Overpass (Monroe County, Indiana)
Slab bridge over N Indiana Ave on Indiana Rail Road Company
Open to traffic

INRD - North Walnut Street Overpass (Monroe County, Indiana)
Deck plate girder bridge over N Walnut Street on Indiana Rail Road Company
Open to traffic

INRD - Poplar Street Underpass (Greene County, Indiana)
Steel stringer bridge over Poplar Street on Indiana Rail Road
Open to traffic

INRD - Richardson Road Overpass (Monroe County, Indiana)
Built ca. 1906
Timber stringer bridge over N. Richardson Road on Indiana Rail Road
Open to traffic

INRD - Shuffle Creek Bridge (Monroe County, Indiana)
Built 1906
Deck girder bridge over Shuffle Creek and Shuffle Creek Road on Indiana Rail Road
Open to traffic

INRD - Smith Road Overpass (Monroe County, Indiana)
Bridge over Smith Road on INRD
Open to traffic

INRD - Tulip Road Underpass (Greene County, Indiana)
Deck plate girder bridge over Tulip Road on Indiana Railroad
Open to traffic

INRD - Tulip Trestle (Greene County, Indiana)
Built 1906 for the Indiana Southern Railroad
Deck plate girder bridge over Richland Creek on Indiana Rail Road
Open to traffic

INRD - Unionville Tunnel (Monroe County, Indiana)
Built 1903
Tunnel under N. Tunnel Road on Indiana Rail Road
Open to traffic

INRD - Vertrees Ditch Trestle (Daviess County, Indiana)
Trestle bridge over West Fork White River on Indiana Railroad
Open to traffic

INRD - Wabash River Bridge (Sullivan County, Indiana)
Built 1910, Through Truss center Swing built for another bridge in Kentucky in 1890, later moved & fabricated to fit this bridge, later Swing span replaced with plate girder with center wheel left in place in 1965
Through truss bridge over Wabash River and two county roads on Indiana Rail Road (former Illinois Central Railroad)
Open to traffic

INRD - Wabash River Bridge (Vigo County, Indiana)
Pratt through truss bridge over Wabash River on Indiana Rail Road
Open to traffic

INRD - White River Bridge (Elliston) (Greene County, Indiana)
Built 1906 and 1915
Deck truss bridge over White River on Indiana Railroad (former Illinois Central Railroad) in Elliston
Open to traffic

Inscope Arch (New York County, New York)
Built 1860
Stone arch bridge over Pedestrian Walk on East Drive
Open to traffic

Inspiration Avenue Bridge (Gila County, Arizona)
Built 1921
Concrete arch bridge over Bloody Tanks Wash on Inspiration Avenue in Miami
Open to traffic

Interchange Bridge (Orange County, New York)
Built 1952
Concrete arch bridge over Palisades Interstate Parkway on Seven Lakes Parkway
Open to traffic

Intercity Bridge (Ramsey County, Minnesota)
Built 1927
Concrete arch bridge over Mississippi River on Ford Parkway (CSAH 42) in St. Paul
Open to traffic

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

Interlaken Boulevard Overpass (King County, Washington)
Built 1912
Concrete arch bridge over 26th Avenue on E. Interlaken Blvd. in Seattle
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 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 Railway Bridge (Erie County, New York)
Built 1901
Through truss swing bridge over Niagara River on Railroad (CN)
Open to traffic

Interstate 30 Arkansas River Bridge (Pulaski County, Arkansas)
Built 1958
Haunched deck plate girder bridge over Arkansas River on Interstate 30 in Little Rock
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 440 Arkansas River Bridge (Pulaski County, Arkansas)
Built 1982
Haunched steel stringer bridge over Arkansas River on Interstate 440 in Little Rock
Open to traffic

Interstate 55 Overpass (Livingston County, Illinois)
Bridge over Illinois Central Railroad on Interstate 55
Open

Interstate 64 Guyandotte River Bridge (Cabell County, West Virginia)
Built 1959
Deck plate girder bridge over Guyandotte River on I-64
Open to traffic

Interstate 70 Bridge over Caldwell Avenue (Washington County, Pennsylvania)
Built 1960; rehabilitated 1993
Deck plate girder bridge over Caldwell Avenue (SR 4051) and CSX Railroad on I-70
Open to traffic

Interstate 70 Bridge over Chestnut Street (Washington County, Pennsylvania)
Built 1960; rehabilitated 1993
Steel stringer bridge over US 40 (W. Chestnut Street) on I-70
Open to traffic

Interstate 70 Pigeon Creek Bridge (Washington County, Pennsylvania)
Built 1949
Steel stringer bridge over Pigeon Creek and Wilson Road (SR 2040) on I-70
Open to traffic

Interstate 78 Toll Bridge (Northampton County, Pennsylvania)
Built 1989
Deck girder bridge over Delaware River on Interstate 78
Open to traffic

Interstate 79 Connoquenessing Creek Bridges (Butler County, Pennsylvania)
Built 1962; rehabilitated 2005
Deck plate girder bridge over Connoquenessing Creek on I-79
Open to traffic

Interstate 80 - Allegheny River Bridge (Clarion County, Pennsylvania)
Built 1966; rehabilitated 2013
Warren deck truss bridge over Allegheny River on I-80
Open to traffic

Interstate 80 - Clarion River Bridge (Clarion County, Pennsylvania)
Built 1965; rehabilitated 2013
Warren deck truss bridge over Clarion River on I-80
Open to traffic

Interstate 80 - Deer Creek Bridge (Clarion County, Pennsylvania)
Built 1965; rehabilitated 2013
Warren deck truss bridge over Deer Creek on I-80
Open to traffic

Interstate 95 Brandywine Creek Bridge (New Castle County, Delaware)
Built 1964; rehabilitated 1984
Steel stringer bridge over Brandywine Creek on I-95
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 (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 (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 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 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 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 (Matagorda County, Texas)
Built 1969; rehabilitated 1982
Swing bridge over Intracoastal Waterway on FM 457
Open to traffic

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

Intracoastal Waterway Bridge (Indian River County, Florida)
Built 1970
Stringer bridge over Intracoastal Waterway on Sr-510(Wabasso Rd)
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 (Montgomery County, Pennsylvania)
Bridge over Tributary Pennypack Creek on Inverness Road in Lower Moreland Township, PA
Open to traffic

Ione Bridge (Pend Oreille County, Washington)
Built 1934
Deck truss bridge over Pend Oreille River on Sullivan Lake Road (CR 9345)
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 - Miami Street Bridge (Champaign County, Ohio)
Built 1926
Deck plate girder bridge over Miami Street US 36 on IORY Railroad and Simon Kenton Trail
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 - Paint Creek Trestle (Highland County, Ohio)
Deck plate girder bridge over Paint Creek on Indiana & Ohio Ry
Open to traffic

IORY - Quincy High Bridge (Logan County, Ohio)
Built 1911
Warren deck truss with alternating verticals bridge over Cr73 and Great Miami River on Dt&I 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 - US 6 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 Memorial Union Footbridge (Johnson County, Iowa)
Built 1934; Fountain added onto the East end in 1936 to commemorate the class of 1936.
Cantilevered deck plate girder over Iowa River on Pedestrian Pathway
Open to traffic

Iowa River Bridge (Wright County, Iowa)
Built ca. 1930
Pony truss bridge over Iowa River on 190th Street
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

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