There are 28,310 bridges in this category · Only showing 12,162 bridges with photos
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Open

Ilchester Railroad Bridge (Baltimore County, Maryland)
Built 1902 by the American Bridge Company; once carried 2 tracks
Through truss bridge over Patapsco River, Ilchester Road on CSX Railroad (formerly B&O Railroad Old Main Line)
Open to traffic

Ilchester Railroad Tunnel (Baltimore County, Maryland)
Built 1903
Tunnel on CSX Railroad (formerly B&O Railroad Old Main Line)
Open to traffic

Illinois Bayou AR 164 Bridge (Pope County, Arkansas)
Built 1940; rehabilitated 1974
Concrete bridge over Illinois Bayou on AR 164
Open to traffic

Illinois Central RR Little Calumet River Bridges (Cook County, Illinois)
Warren through truss bridge over Little Calumet River on CNRR (former Illinois Central), Metra, Amtrak
Open

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

Illinois Railway 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

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

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


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

Illinois Railway IL 25 Bridge (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

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

Illinois Railway Museum Boot Creek Bridge (McHenry County, Illinois)
Timber stringer bridge over Boot Creek on Illnois Railway Museum RR
Open to traffic

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

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

Illinois River I-39 Bridge (La Salle County, Illinois)
Built 1987
Steel through arch bridge over the Illinois River on I-39/US 51 near La Salle in Oglesby
Open to four lanes of traffic

Illinois River T&P Railroad Bridge (Peoria County, Illinois)
Built 1909, lift mechanism replaced in 1984
Vertical lift through truss bridge over Illinois River on Toledo, Peoria and Western Railroad in Peoria
Open to traffic

Illinois Route1 & 17 over south channel of Kankakee River @ Momence (Kankakee County, Illinois)
Built in1938 Rehabilitated 1986
Steel stringer bridge over Kankakee River, south channel on Illinois Route 1 & 17
Open to traffic

Illinois Rt 1/17 Bridge over North Channel of Kankakee River @ Momence, Illinois (Kankakee County, Illinois)
Replaced a concrete arch structure built in early 1900's
Steel Stringer Bridge over Kankakee River, North Channel on Illinois Rt 1 & Illinois Rt 17
Open to traffic

Illinois Rt 102 over Rock Creek @ Kankakee River State Park (Kankakee County, Illinois)
Open-spandrel arch bridge over Rock Creek on Illinois Rt 102
Open to traffic

Illinois Rt 178 over Vermilion River @ Lowell, Illinois (La Salle County, Illinois)
built in 1934(reconstructed in 1989) third bridge over the river near this point
Open-spandrel arch bridge over Vermilion River on Illinois Rt 178
Open to traffic

Illinois Street Bridge (Marion County, Indiana)
Built 1899
Concrete arch bridge over Fall Creek on Illinois Street in Indianapolis
Open to traffic

Illinois Street Bridge (San Francisco County, California)
Built 2006
Concrete deck girder bascule bridge over Islais Creek on Illinois Street
Open to traffic

Imboden Bridge (Lawrence County, Arkansas)
Built 1937 by C.F. Lytle of Sioux City, Iowa
Pony and deck truss bridge over Spring River and the Frisco Railroad on US 62 at Imboden
Open to two-lane traffic, with a pedestrian sidewalk

Imhoff Road Bridge (Cooper County, Missouri)
Built 1908 by Kansas City Bridge Co.
Two-span through truss bridge over Lamine River on Imhoff Road
Open to one-lane traffic

Independence Ave (US 24) Bridge (Jackson County, Missouri)
Built 1937
Slab bridge over Independence Ave (US 24) on BNSF RR
Open to rail traffic above, street traffic below

Independence Bridge (Marion County, Oregon)
Built 1951, Rehabilitated 1985
Deck plate girder bridge over Willamette River on River Road South
Open to traffic

Independence Bridge (Montgomery County, Kansas)
Built 1940
Bridge over S 20th St, MoPac RR on US 160 / 75 in Independence
Open to traffic above and below

Independence Creek Bridge (Atchison County, Kansas)
Built ca. 1920
Pony truss bridge over Independence Creek, 5.5 mi. east of Huron
Open to traffic

Index Railroad Bridge (Bowie County, Texas)
Built 1899-1900 by the Missouri Valley Bridge & Iron Works
Through truss swing bridge over Red River on the Kansas City Southern Railway
Open to traffic

Indian Camp Covered Bridge (Guernsey County, Ohio)
Built 1855; rehabilitated 1999
Covered bridge over Indian Camp Run on Covered Bridge Road (TR 611) just off OH 658
Open to one-lane traffic

Indian Creek Bridge (Polk County, Iowa)
Built 1916
Through truss bridge over Indian Creek on NE 162nd Avenue
Open to traffic

Indian Creek Bridge (Sac County, Iowa)
Built 1928
Pony truss bridge over Indian Creek on Quincy Ave in Lake View
Open to traffic

Indian Creek Bridge (Edwards County, Illinois)
Built 1938
Arch bridge over Indian Creek on FAS 2815, 1 mi. west of Bone Gap
Open to traffic

Indian Creek Bridge (Greene County, Indiana)
Built 1905
Pony truss bridge over Indian Creek on CR 1360 East
Open to traffic

Indian Creek Bridge (Grainger County, Tennessee)
Built ca. 1930
Concrete arch bridge over Indian Creek on Johnson Road
Open to traffic

Indian Creek Bridge (Hardin County, Tennessee)
Built 1926
Arch bridge over Indian Creek on Arch Loop (NFA A446)
Open to traffic

Indian Creek Bridge (Lane County, Oregon)
Built 1929
Concrete stringer bridge over Indian Creek on OR 36
Open to traffic

Indian Creek Bridge (Grant Parish, Louisiana)
Built 1938
Steel stringer bridge over Indian Creek on La0472
Open to traffic

Indian Creek bridge (Humboldt County, Iowa)
Beam bridge over Indian Creek on Kansas Avenue
Open to traffic

Indian Creek bridge (Humboldt County, Iowa)
Steel stringer bridge over Indian Creek on Juniper Avenue
Open to traffic

Indian Creek Bridge (Humboldt County, Iowa)
Steel stringer bridge over Indian Creek on Georgia Avenue.
Open to traffic

Indian Creek Bridge (Tishomingo County, Mississippi)
Built 1940
Concrete tee beam bridge over Indian Creek on Sr 172
Open to traffic

Indian Creek Bridge (De Kalb County, Illinois)
Built 1956
Slab bridge over Indian Creek on Suydam Road
Open to traffic

Indian Creek Bridge (La Salle County, Illinois)
Built 1920; rehabilitated 1982
Beam bridge over Indian Creek on E 20th Rd
Open to traffic

Indian Creek Bridge (De Kalb County, Illinois)
Built 1957
Slab bridge over Indian Creek on Sleepy Hollow Road
Open to traffic

Indian Creek Bridge (Grant County, Oregon)
Built 1939
Stringer bridge over Indian Creek on US 26
Open to traffic

Indian Creek Bridge (Madison County, Alabama)
Built 1936
Girder bridge over Indian Creek on Old Madison Pike
Open to traffic

Indian Creek Bridge (Madison County, Alabama)
Built 1940
Masonry concrete tee beam bridge over Indian Creek on Slaughter Road
Open to traffic

Indian Creek Bridge (Madison County, Alabama)
Built 1940
Masonry slab bridge over Indian Creek on Slaughter Road
Open to traffic

Indian Creek IN 135 Bridge (Morgan County, Indiana)
Built 1933; rehabilitated 1982
Through truss bridge over Indian Creek on IN 135 in Morgantown
Open to two-lane traffic

Indian Creek Old IN 37 Bridge (Morgan County, Indiana)
Built 1925
Pony truss bridge over Indian Creek on Old IN 37
Open to traffic

Indian Creek Old MO 76 Bridge (McDonald County, Missouri)
Built 1929 by contractor M.E. Gillioz
Three-span open-spandrel arch bridge over Indian Creek on Cedar Road (Old MO 76) at Anderson
Open to traffic

Indian Creek Railroad Bridge #3 (Pottawattamie County, Iowa)
Pony/through plate girder bridge over Indian Creek on Railroad
Open to traffic

Indian Creek Route EE Bridge (McDonald County, Missouri)
Built 1928
Three-span through truss bridge over Indian Creek on Route EE in Lanagan
Open to two-lane traffic

Indian Creek US 61 Bridge (Perry County, Missouri)
Built 1925
Concrete tee beam bridge over Indian Creek on US 61
Open to two-lane traffic

Indian Ford Bridge (Stoddard County, Missouri)
Formerly a bridge on the Frisco Hoxie Branch railroad built in 1926(?) and later retrofitted for vehicle use when the line was discontinued in 1967
Through truss bridge over St. Francis River between Puxico and Rombauer on Stoddard CR 499
Open to small vehical traffic

Indian Grove Road Bridge (Wright County, Missouri)
Built ca. 1920; retrofitted as a steel stringer bridge in 1978
Pony truss bridge over a branch of Gasconade River on Indian Grove Road
Open to traffic

Indian Lane Bridge (Westchester County, New York)
Built 1930
Wooden bridge over Truesdale Lake Outlet on Indian Lane
Open to traffic

Indian Mill Bridge (Wyandot County, Ohio)
Built 1913 by the Modern Construction Co.
Through truss bridge over Sandusky River on CR 47
Open to traffic

Indian River Railroad Arch Bridge (Middlesex County, Connecticut)
Brick arch bridge over Indian River on Railroad
Open to traffic

Indiana Ave. Bridge (Lyon County, Iowa)
Built 1940
Concrete pony/through girder bridge over Rio Grande Creek on W Indiana Avenue in George
Open to traffic

Indiana Avenue Bridge (Cook County, Illinois)
Built 1915; rehabilitated 1977
Through truss bridge over Little Calumet River on Indiana Avenue in Chicago
Open to traffic

Indiana Harbor Belt S&S Canal Bridge (Cook County, Illinois)
Replaced former swing bridge
Through truss bridge over Chicago Sanitary & Ship Canal on Indiana Harbor Belt/Soo Line RR's
Open

Indiana Railroad 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 Railroad (former Illinois Central Railroad)
Open to traffic

Indianapolis Museum of Art East bridge over THI&E Interurban (Marion County, Indiana)
Built over the Terre Haute, Indianapolis & Eastern Traction Company's line from Indy to Lafayette. Line was abandoned in 1930's.
Steel stringer bridge over abandoned interurban railbed on Woodstock Drive near the Indianapolis Museum of Art in Indianapolis
Open to traffic

Indianola Avenue - Iuka Ravine Arch Bridge (Franklin County, Ohio)
Built 1996 to replace similar bridge built in 1912
Closed spandrel concrete arch bridge over Iuka Ravine on Indianola Avenue
Open to traffic

Indiantown Railroad Bridge (Martin County, Florida)
Built 1924 by the American Bridge Co.
Swing bridge over St. Lucie Canal on CSX Railroad at Indiantown
Open to traffic

Industrial Blvd Bridge (Le Flore County, Oklahoma)
Built 1967
Culvert bridge over Town Creek on Fau 1461 (Industrial Blvd) in Poteau
Open to traffic

Ingham Bridge (Jersey County, Illinois)
Built 1926; replaced 2007
Concrete bridge over Piasa Creek on Gotter Road (TR 137), 0.8 mi. west of Brighton
Replaced by new bridge

Inglehart Road Bridge (Columbia County, Wisconsin)
Built 1930
Timber stringer bridge over Union Pacific Railroad (Formerly Chicago & Northwestern) on Inglehart Road in Town of Scott
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

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

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

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 Rail Bridge, Sault Ste. Marie (Chippewa County, Michigan)
Through truss bridge over St Mary's River / Soo Locks on a railroad crossing connecting to Canadian rail system
Open to traffic

Interstate 10 / San Bernadino Freeway Over the San Gabriel River (Los Angeles County, California)
Built 1926 as Garvey Road, Replaced ; rehabilitated 2004
Concrete tee beam bridge over San Gabriel River on Interstate 10 Wb
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 44 Bridge (Crawford County, Missouri)
Bridge over Interstate 44 on Mo. 185
Open to traffic

Interstate 80 Missouri River Bridge (Douglas County, Nebraska)
Bridge over Missouri River on Interstate 80
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 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 (Sarasota County, Florida)
Built 1966
Bascule bridge over Intracoastal Waterway on Venice Avenue (CR 772) in Venice
Open to traffic

Intracoastal Waterway Bridge (Brunswick County, North Carolina)
Built 1961
Swing 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 (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

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

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 Avenue Underpass (Johnson County, Iowa)
Built 1915
Steel stringer bridge over Iowa Avenue on Railroad
Open to traffic

Iowa Falls Jct Railroad Bridge (Hardin County, Iowa)
Pony plate girder bridge over Union Pacific Railroad on Union Pacific Railroad in Iowa Falls
Open to traffic

Iowa Interstate RR Aux Sable Creek Bridge (Grundy County, Illinois)
Deck plate girder bridge over Aux Sable Creek on Iowa Interstate RR
Open to traffic

Iowa Interstate RR Bridge (Bureau County, Illinois)
Built 1914
Slab bridge over CR 2160 E on Iowa Interstate RR (former Rock Island RR)
Open

Iowa Interstate RR Green River Bridge (Henry County, Illinois)
Lattice through truss bridge over Green River on Iowa Interstate RR (former Rock Island RR)
Open to traffic

Iowa Interstate RR Negro Creek Bridge (Bureau County, Illinois)
Deck plate girder bridge over Negro Creek on Iowa Interstate RR (former Rock Island RR)
Open

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