There are 11,072 bridges in this category · Only showing 5,632 bridges with photos
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Owned by state

Ices Ferry Bridge (Monongalia County, West Virginia)
Built 1922
Four-span through truss bridge over Cheat Lake on CR 857 in Cheat Lake
Demolished and replaced.

ICWW Bridge (Pinellas County, Florida)
Built 1962
Bascule bridge over ICWW on FL 666 in Madeira Beach
Open to traffic

IL17 Overpass (Kankakee County, Illinois)
Built 1911, rebuilt 1946 & 1973
Lost Girder bridge over ICG Railroad tracks on Illinois Rt 17
Replaced by new bridge

IL178 Vermilion River Bridge (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 Bayou AR 164 Bridge (Pope County, Arkansas)
Built 1940; rehabilitated 1974
Concrete bridge over Illinois Bayou on AR 164
Open to traffic

Illinois Bayou AR 7 Bridge (Pope County, Arkansas)
Built 1933; replaced 2003
Lost three-span pony truss bridge over Illinois Bayou on AR 7 just northwest of Dover
Replaced by a new bridge

Illinois River Bridge (Pike County, Illinois)
Built 1929; rehabilitated 1981 Closed June 28 2012 due to issuses with towers.
Vertical-lift through truss bridge over the Illinois River on IL 100/IL 106 (Old US 36) in Florence
Bridge Reopened April 22 2013

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 47 Over Fox River @ Yorkville (Kendall County, Illinois)
Lost Open-spandrel arch bridge over Fox River on Illinois Rt 47
Replaced by new bridge

Illinois Rt 53 over UP Railroad (Grundy County, Illinois)
Original approaches were cast in place concrete "T" beams, replaced with PPC deck beams abt 1966, main span steel covered with gunnite @ same time
Lost Girder bridge over UP (SP & CSL) Railroad on Illinois Rt 53
Replaced by new bridge

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

IN135 Indian Creek Bridge (Morgan County, Indiana)
Built 1933; rehabilitated 1982
Through truss bridge over Indian Creek on IN 135 in Morgantown
Open to two-lane traffic

IN61 South Fork Patoka River Bridge (Pike County, Indiana)
Built 1932; rehabilitated 1984; replaced 2002
Lost through truss bridge over South Fork Patoka River on IN 61
Replaced by new bridge

IND 5/Old SR 221 Walnut Creek Bridge (Grant County, Indiana)
Replaced 1995
Lost Concrete tee beam bridge over Walnut Creek on Indiana SR 5/ former SR 221
Replaced by new bridge

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

Index Bridge (Little River County, Arkansas)
Lost Through truss bridge over Red River on US 71
Replaced by new bridge

Indian Creek Bridge (Tazewell County, Virginia)
Built 1932
Concrete arch bridge over Indian Creek on Route 770
Open to traffic

Indian Creek Bridge (Monroe County, West Virginia)
Built 1891, removed 2010
Lost through truss bridge over Indian Creek on CR 23/8
Replaced by a new bridge

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

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

Indian Creek Canal Bridge (Miami-Dade County, Florida)
Built 1953
Bascule bridge over Indian Creek Canal on 63rd Street in Miami Beach
Open to traffic

Indian Creek IN 56 Bridge (Switzerland County, Indiana)
Built 1924; rehabilitated 1977
Through truss bridge over Indian Creek on IN 56
Replaced

Indian Creek Old IL 78 Bridge (Morgan County, Illinois)
Built 1929, IL78 bypassed with new bridge in 2005
Concrete slab bridge over Indian Creek on abandoned alignment IL 78, 0.2 mi. south of Cass Co Line
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 River Bridge (Brevard County, Florida)
Built 1949
Swing bridge over Indian River on CR 402 in Titusville
Replaced by a new bridge

Indian River Bridge (St. Lucie County, Florida)
Built 1963
Bascule bridge over Indian River on FL A1A in Fort Pierce
Open to traffic

Indian River Bridge (Volusia County, Florida)
Built 1997
Bascule bridge over Indian River (ICWW) on FL 44 in New Smyrna Beach
Open to traffic

Indian River Inlet Bridge (Sussex County, Delaware)
Built 2012
Cable-stayed bridge over Indian River Inlet on DE SR 1
Open to traffic

Indian Timothy Memorial Bridge (Asotin County, Washington)
Built 1923 by the Colonial Building Co.; bypassed by new bridge in 1974
Bypassed two-span through arch bridge over Alpowa Creek on US 12
Open to pedestrians only

Indiana 29 Deer Creek Bridge (Carroll County, Indiana)
Replaced 1987. Former bridge removed when new alignment of SR 29 made to bypass "Sycamore Row" along old route. Sycamore Row are large trees sitting right on sides of old road, scary to pass semi's on old stretch due to narrowness.
Lost Through truss bridge over Deer Creek on Sr 29 in Deer Creek
Replaced by new bridge

Indiana State Museum Bridge (Marion County, Indiana)
This is a replica of a Whipple truss bridge, and is not historic
Through truss bridge over Indiana Central Canal and N. Blackford Street on Walkway at the Indiana State Museum in Indianapolis
Open to pedestrians

Indianapolis Blvd Bridge (Lake County, Indiana)
Built 1939
Deck girder bridge over Lake George Indiana Harbor Canal on Indianapolis Boulevard
Open to traffic

Indiantown Road Bridge (Palm Beach County, Florida)
Deck girder bridge over Loxahatchee River on Florida Route 706 Indiantown Road
Open to traffic

Industrial Waterway Bridge (Harrison County, Mississippi)
Built 2002
Bridge over Industrial Waterway on MS-605 (Lorraine Rd.)
Open to traffic

Ingersoll Street Bridge (Orleans County, New York)
Built 1911
Vertical lift bridge over Erie Canal on Ingersoll Street in Albion
Open to traffic

Inlet Ocean Highway Bridge (Sussex County, Delaware)
Deck plate girder bridge over Lewes & Rehoboth Canal on Inlet Ocean Highway Route 1
Replaced by a new bridge

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

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

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

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

Intracoastal Canal Bridge (St. Mary Parish, Louisiana)
Built 2005
Bascule bridge over Intracoastal Canal on LA 319
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 (Duval County, Florida)
Built 1949
Pair of bascule bridges over the Intracoastal Waterway on US 90 (FL 212) in Jacksonville Beach
Replaced by a new bridge

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 1973
Pair of bascule bridge over Intracoastal Waterway on FL 802 (Lake Avenue) in Lake Worth
Open to traffic

Intracoastal Waterway 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 (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 (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 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

Intracoastal Waterway Bridge (Palm Beach County, Florida)
Deck plate girder bridge over Intracoastal Waterway on Southeast 15th Street
Replaced by a new bridge

Intracoastal Waterway Bridge (Older) (St. Mary Parish, Louisiana)
Lost Through truss bridge over Intracoastal Waterway on Louisiana Route 319
Replaced by a new bridge

Intracoastal Waterway LA 319 Bridge (St. Mary Parish, Louisiana)
Built 1968
Swing bridge over the Intracoastal Waterway on LA 319
Demolished and replaced.

Iola Bridge (Allen County, Kansas)
Built 1928; replaced 1996
Lost three-span Marsh arch bridge over Neosho River on US 54 at Iola
Replaced by a new bridge

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 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 Goat Trail - Twin Tunnels (King County, Washington)
Built 1893; Snowshed added 1914/1916; Abandoned 1929
Tunnel on Iron Goat Trail
Open to pedestrians only

Iron Horse Trail - Beverly Bridge (Grant County, Washington)
Built 1909
Abandoned through and deck truss bridge over Columbia River on the former Chicago, Milwaukee, St. Paul and Pacific Railroad (Iron Horse Trail) in Beverly
Open to pedestrians only

Iron Horse Trail - Snoqualmie Tunnel (King County, Washington)
Built 1914 by the Chicago, Milwaukee, Saint Paul, and Pacific Railroad. Rehabilitated 2011
Tunnel on Pedestrian trail under Snoqualmie Pass
Open to pedestrians

Iron Horse Trail - Yakima River Bridge #3 (Kittitas County, Washington)
Built 1954
Through truss bridge over Yakima River on Iron Horse Trail
Open to pedestrians only

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 Mountain Road Tunnel (US 16A) #3 (Pennington County, South Dakota)
Tunnel on Iron Mountain Road (US 16A)


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

Irondequoit Bay Bridge (Monroe County, New York)
Through truss bridge over Irondequoit Bay on Route 104
No longer exists

Irons Fork AR 88 Bridge (Polk County, Arkansas)
Built 1907; Replaced 1955
Lost two-span through truss bridge over Irons Fork on AR 88 east of Mena
Replaced by a new bridge in 1955

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-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

Ironville Bridge (Blair County, Pennsylvania)
Built 1912; rehabilitated 1988; demolished 2011
Two-span concrete arch bridge over Little Juniata River on PA 1014 (Ironville Road)
Replaced by a new bridge

Is 55 N&S Bridge (St. Louis County, Missouri)
Replaced 1962
Lost Bridge over Is 55 N&S on (7a)Bsi 64
Replaced by new bridge

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

Island Line Trail - Lake Champlain Bridge (Chittenden County, Vermont)
Built 1901 for the Rutland Railroad; abandoned 1963
Pony/through plate girder bridge over Lake Champlain on Island Line Trail
Open to pedestrians only

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