There are 9,337 bridges in this category · Only showing 4,476 bridges with photos
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Span length 50-75 feet

I-380 5-in-1 Bridge (Linn County, Iowa)
Built 1979 as a multilevel bridge crossing the Cedar River
Stringer bridge over Cedar River on Interstate 380 and street
Open to traffic

I-55 NB Funks Grove Rest Area (McLean County, Illinois)
Built 1975
Concrete tee beam bridge over Rest Area Ramps & 55th Rd on I-55 NB
Open to traffic

I-55 SB Funks Grove Rest Area (McLean County, Illinois)
Built 1975
Concrete tee beam bridge over Rest Area Ramps & 55th Rd on I-55 SB
Open to traffic

I-57 Exit 30 Bridge (Union County, Illinois)
Built 1958
Lost pair of concrete tee beam bridges over IL 146 on I-57
Replaced by a new bridge

I-84 18400 Road Overpass (Box Elder County, Utah)
Built 1959
Concrete tee beam bridge over I-84 (Sr-84) Ebl & Wbl on Pocatello Val.Co.R
Open to traffic

I10 - San Gabriel River Bridge (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

I5 Weedin Place Fallout Shelter (King County, Washington)
Built 1963
Concrete culvert bridge on I5
Open to pedestrians only

IA14 Beaver Creek Bridge (Old) (Butler County, Iowa)
Built 1915; Replaced 1984
Lost Closed-spandrel arch bridge over Beaver Creek on IA 14
Replaced by a new bridge

IA14 Overpass (Butler County, Iowa)
Built 1936; rehabilitated 1967
Slab bridge over Iowa Northern Railway on IA 14
Open to traffic

IA5 Shoal Creek Bridge (Appanoose County, Iowa)
Built 1948
Steel rigid frame bridge over Shoal Creek on Ia 5
Open to traffic

IAIS - 420th Street Bridge (Pottawattamie County, Iowa)
Built 1953 using Relocated 1899 Girders
Deck plate girder bridge over 420th Street on Iowa Interstate Railroad
Open to traffic

IAIS - 555th Street Overpass (Cass County, Iowa)
Built 1952, Using a Relocated Span
Deck plate girder bridge over 555th Street
Open to traffic

IAIS - 80th Street Overpass (Polk County, Iowa)
Built 1901
Deck plate girder bridge over 80th Street on Iowa Interstate Railroad
Open to traffic

IAIS - Cherry Creek Bridge (Jasper County, Iowa)
Deck Plate Girder Bridge over Cherry Creek on Iowa Interstate Railroad
Open to traffic

IAIS - Clear Creek Bridge (Johnson County, Iowa)
Deck plate girder bridge over Clear Creek on Iowa Interstate Railroad
Open to traffic

IAIS - Cub Creek Bridge (Poweshiek County, Iowa)
Built 1892
Deck plate girder bridge over Cub Creek on Iowa Interstate Railroad
Open to traffic

IAIS - East Nishnabotna River Bridge (Cass County, Iowa)
Built 1902
Deck plate girder bridge over East Nishnabotna River on Iowa Interstate Railroad
Open to traffic

IAIS - Fox River Bridge (LaSalle County, Illinois)
Built 1899
Deck plate girder bridge over Fox River on CSX Transportation in Ottawa
Open to traffic

IAIS - Hennepin Canal Bridge (Calona) (Henry County, Illinois)
Built 1900
Pony/through plate girder bridge over Hennepin Canal on Iowa Interstate Railroad
Open to traffic

IAIS - I80 Overpass (Dallas County, Iowa)
Built 1960
Deck Plate Girder bridge over Interstate 80 on Iowa Interstate Railroad
Open to traffic

IAIS - IA83 Overpass (Cass County, Iowa)
Built 1952
Steel stringer bridge over IA 83 on Iowa Interstate Railroad
Open to traffic

IAIS - Little Vermillion River Bridge (LaSalle County, Illinois)
Built 1952
Deck plate girder bridge over Little Vermillion River on Iowa Interstate RR (former Rock Island RR) in LaSalle
Open to traffic

IAIS - McPherson Avenue Overpass (Pottawattamie County, Iowa)
Built 1901, Approaches Replaced 2013/2014
Deck plate girder bridge over McPherson Avenue & Little Mosquito Creek on Railroad
Open to traffic

IAIS - Middle River Bridge (Guthrie County, Iowa)
Buikt 1901
Deck plate girder bridge over Middle River on Iowa Interstate Railroad
Open to traffic

IAIS - North Division Street Overpass (Scott County, Iowa)
Built 1902
Deck plate girder bridge over North Division Street on Iowa Interstate Railroad
Open to traffic

IAIS - Perry Street Overpass (Scott County, Iowa)
Built 1902
Through Plate girder bridge over Perry Street on Iowa Interstate Railroad
Open to traffic

IAIS - Ralston Creek Bridge (Johnson County, Iowa)
Built 1900
Closed-spandrel arch bridge over Ralston Creek on Railroad
Open to traffic

IAIS - Ripley Street Overpass (Scott County, Iowa)
Built 1902
Through Plate Girder bridge over Ripley Street on Iowa Interstate Railroad
Open to traffic

IAIS - Rock Creek Bridge (Jasper County, Iowa)
Built 1888 and 1890, assembled here and center span built 1912
Bridge over Rock Creek on Iowa Interstate Railroad
Open to traffic

IAIS - Severs Creek bridge (Jasper County, Iowa)
Built 1928
Deck plate girder bridge over Severs Creek on Iowa Interstate Railroad
Open to traffic

IAIS - South Fork Middle River Bridge (Guthrie County, Iowa)
Built 1899
Deck plate girder bridge over South Fork Middle River on Iowa Interstate Railroad
Open to traffic

IAIS - Squaw Creek Bridge (Jasper County, Iowa)
Built 1902
Pony/through plate girder bridge over Squaw Creek on Iowa Interstate Railroad
Open to traffic

IAIS - Telegraph Road Overpass (Scott County, Iowa)
Built 1902
Deck Girder bridge over Telegraph Road on Iowa Interstate Railroad
Open to traffic

IAIS - Turkey Creek Bridge (Adair County, Iowa)
Built 1901
Deck plate girder bridge over Turkey Creek on Iowa Interstate Railroad
Open to traffic

IAIS - US-6 Overpass (Pottawattamie County, Iowa)
Built 1968
Deck plate girder bridge over US-6 on Iowa Interstate Railroad
Open to traffic

IAIS - Walnut Creek bridge (Pottawattamie County, Iowa)
Deck plate girder bridge over Walnut Creek on Iowa Interstate Railroad
Open to traffic

IAIS - Wisconsin Avenue Overpass (Scott County, Iowa)
Built 1902
Steel stringer bridge over Wisconsin Avenue on Iowa Interstate Railroad
Open to traffic

IAIS - Yocum Connection Drainage Bridge (Iowa County, Iowa)
Pony/through plate girder bridge over Former Milwaukee Road on Iowa Interstate Railroad
Open to traffic

IANR - Dry Creek Bridge (Linn County, Iowa)
Built 1896
Pony/through plate girder bridge over Dry Creek on Iowa Northern Railway
Open to traffic

IANR - Dry Run Creek Bridge (Black Hawk County, Iowa)
Deck plate girder bridge over Dry Run Creek on Railroad
Open to traffic

IANR - Flood Creek Bridge (Butler County, Iowa)
Deck plate girder bridge over Flood Creek on Iowa Northern Railroad
Open to traffic

IANR - Oppossum Creek Bridge (Benton County, Iowa)
Built 1896
Deck plate girder bridge over Oppossum Creek on Railroad
Open to traffic

IANR - Shell Rock River Bridge (Rockford) (Floyd County, Iowa)
Built 1898
Deck plate girder bridge over Shell Rock River on Iowa Northern Railroad
Open to traffic

IANR - Unnamed Creek Bridge (Floyd County, Iowa)
Built 1960 Using a Relocated Girder
Deck plate girder bridge over Tributary of Shell Rock River on Iowa Northern Railway
Open to traffic

IANR/CN Overpass (Black Hawk County, Iowa)
Built 1930
Pony/through plate girder bridge over Iowa Northern Railroad on Canadian National Railway
Open to traffic

Ihiihilauakea Stream Bridge (Honolulu County, Hawaii)
Built 1931; Rehabilitated 2014
Open Spandrel arch bridge over Ihiihilauakea Stream on Kal Highway in Honolulu
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

IL17 South Channel Kankakee River Bridge (Kankakee County, Illinois)
Built in1938 Rehabilitated 1986
Steel stringer bridge over Kankakee River, south channel on Illinois Route 1 & 17
Open to traffic

IL92 Overpass (Rock Island County, Illinois)
Built 1951; rehabilitated 1990
Steel stringer bridge over Iowa Interstate Railroad on IL 92/IL 5
Open to traffic

Illinois River Arch Bridge (Benton County, Arkansas)
Built 1922 by the Luten Bridge Co.
Closed two-span Luten arch bridge over Illinois River on CR 3 (Chambers Springs Road) east of Siloam Springs, just south of US 412
Closed 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

Immanuel Road Bridge (Travis County, Texas)
Built 1935
Pony truss bridge over Gilleland Creek on Immanuel Road in Austin
Open to pedestrians only

IMRR - Cook Street Overpass (Sangamon County, Illinois)
Built 1933
Pony/through plate girder bridge over E. Cook Street on Illinois Central Railroad
Open to traffic

IN135 Bear Creek Bridge (Morgan County, Indiana)
Built 1933
Concrete arch bridge over Bear Creek on IN 135
Replaced by a new bridge

IN142 Lambs Creek Bridge (Morgan County, Indiana)
Built 1934; replaced 1998
Concrete arch bridge over Lambs Creek on IN 142
Replaced by a new bridge

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

Indian Creek Bridge (Jasper County, Iowa)
Built 1914; rehabilitated 1950
Pony truss bridge over Indian Creek on 95th Avenue (95th Ave)
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 (Greene County, Indiana)
Built 1905
Pony truss bridge over Indian Creek on CR 1360 East
Replaced by a new bridge

Indian Creek Bridge (Martin County, Indiana)
Built ca. 1910
Lost pony truss bridge over Indian Creek on CR17 (abandoned section)
No longer exists

Indian Creek Bridge (Allen County, Kansas)
Built 1924
Pony truss bridge over Indian Creek, 1.0 mi. west and 0.5 mi. south of Geneva
Open to traffic

Indian Creek Bridge (Morris County, Kansas)
Built 1935
Pony truss bridge over Indian Creek, 2.7 mi. south of Dunlap
Open to traffic

Indian Creek Bridge (Comanche County, Texas)
Built 1989
Pony truss bridge over Indian Creek on CR 310
Open to traffic

Indian Creek Bridge (Lee County, Virginia)
Built 1923
Pony truss bridge over Indian Creek on Route 811
Open to traffic

Indian Creek Bridge (Tazewell County, Virginia)
Built 1932
Concrete arch bridge over Indian Creek on Route 770
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 (LaSalle County, Illinois)
Built 1920; rehabilitated 1982
Beam bridge over Indian Creek on E 20th Rd
Open to traffic

Indian Creek Bridge (Greene County, Indiana)
Built c. 1905;Replaced 1989
Lost Warren pony truss bridge over Indian Creek on Carmichael Road
Replaced by a new bridge

Indian Creek Bridge CR 75 N (Knox County, Indiana)
Built ca. 1910; replaced 2007
Lost pony truss bridge over Indian Creek on CR 75 North
No longer exists

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 Trail Rd.-Whitewater River Bridge (Wayne County, Indiana)
Lost pony truss bridge over Whitewater River on Indian Trail Road
Replaced by new bridge

Indianola Avenue - Iuka Ravine Arch Bridge (Original) (Franklin County, Ohio)
Built 1912
Lost Stone arch bridge over Iuka Avenue on Indianola Avenue
Replaced by a new bridge

Ingleside Road Norfolk Southern Railway Bridge No. 2 (Mercer County, West Virginia)
Built 1920
Deck plate girder bridge over Ingleside Rd;East River on NSRR
Open to traffic

Ingleside Road Norfolk Southern Railway Bridge No. 3 (Mercer County, West Virginia)
Built 1920
Deck plate girder bridge over Ingleside Rd;East River on NSRR
Open to traffic

Ingleside Road Norfolk Southern Railway Bridge No. 4 (Mercer County, West Virginia)
Built 1922
Deck plate girder bridge over Ingleside Rd;East River on NSRR
Open to traffic

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

Insley Road Bridge (Wood County, Ohio)
Built 1930
Concrete through arch bridge over Rocky Ford on Insley Road
Intact but closed to all traffic

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

Interurban Road Todd Creek Bridge (Platte County, Missouri)
Built 1912
Concrete arch bridge over Todd Creek on NW Interurban Road in Kansas City
Bypassed by new bridge

Iowa River Rail Trail - Steamboat Rock Bridge (Hardin County, Iowa)
Built 1926; Abandoned 2012, Converted to Trail Use 2017
Deck Girder bridge over Iowa River on Iowa River Rail Trail
Open to pedestrians only

Ipswich River Railroad Bridge 23.02 (Essex County, Massachusetts)
Built 1888
Pony/through plate girder bridge over Ipswich River on Topsfield Linear Common
Open to pedestrians only

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

Irish Bend Covered Bridge 37-02-09 (Benton County, Oregon)
Built 1921 at another site, Relocated to Irish Bend Road 1954, Closed 1975, Relocated to OSU location 1988
Howe through truss bridge over Oak Creek on Midge Cramer Path
Open to pedestrians

Iron Bridge Lane Bridge (Allegheny County, Pennsylvania)
Built in 1878 by the Morse Bridge Company of Youngstown, Ohio
Pony truss bridge over Bull Creek on Iron Bridge Road


Iron Furnace Bridge (Grafton County, New Hampshire)
Built 1889 by the Berlin Iron Bridge Co.; Relocated and converted to pedestrian use 2001
Pin-connected Lenticular pony truss bridge over a tributary of Gale River on a pedestrian path
Open to pedestrians only

Iron Horse Trail - Montreal River Bridge (Gogebic County, Michigan)
Built 1911
Deck plate girder bridge over Montreal River on Iron Horse Trail
Open to pedestrians

Iron Ore Creek Bridge (Grayson County, Texas)
Built around 1911 by the Midland Bridge Company of Kansas City, Missouri.It originally spanned Iron Ore Creek at Grayson County Route 597, but has been relocated to Loy Lake Park near Denison, Texas.
Warren pony truss bridge formerly over Iron Ore Creek on County Road 597
Relocated to Public Park

Irondale Arch Bridge (Washington County, Missouri)
Built 1856
Stone arch bridge over Dry Creek on the Iron Mountain Railroad (now Union Pacific Railroad) in Irondale
Open to railroad traffic

Iroquois River CR 400W Bridge (Jasper County, Indiana)
Built ca. 1905
Lost Warren pony truss bridge over Iroquois River on County Road 400 West
Replaced by a new bridge

Iroquois River CR 800W Bridge (Jasper County, Indiana)
Built ca. 1910
Lost Pratt pony truss bridge over Iroquois River on County Road 800 West
Replaced by a new bridge

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 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

Isley Boulevard Bridge (Clay County, Missouri)
Built 1934, Replaced 2015
Concrete tee beam bridge over Fishing Creek on MO 10 (Isley Blvd.)
Replaced by a new bridge

ISRY - Moulton Jct Bridge (Appanoose County, Iowa)
Built 1946 per Wabash bridge book
Deck plate girder bridge over former Rock Island RR on Iowa Southern Railway
Open for traffic

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

ITM - IN-19 Overpass (Hamilton County, Indiana)
Built 1936. On the second oldest rail line in Indiana, the bridge now has a walkway attached to the East(North)side of structure for trail from downtown Noblesville to Forrest Park. ITM runs excursions often over this bridge.
Pony/through plate girder bridge over State Road 19 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

J Avenue Overpass (Boone County, Iowa)
Built 1900
Pony truss bridge over Union Pacific Railroad on J Avenue
Open to traffic

Jack Brown's Bridge (Worcester County, Massachusetts)
Buil 1890, relocated 1915, replaced 1993
Lost Double-intersection Warren pony truss bridge over Boston & Albany Railroad on Rochdale Street
Replaced by a new bridge

Jack's Mountain Covered Bridge 38-01-08 (Adams County, Pennsylvania)
Built 1890; rehabilitated 1992
Covered bridge over Toms Creek on Jacks Mountain Road (PA 3021) in Carroll Valley
Intact but closed to all traffic for repairs