There are 40,969 bridges in this category · Only showing 24,894 bridges with photos
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Open

IORY - Rattlesnake Creek Bridge (Highland County, Ohio)
Deck plate girder bridge over Rattlesnake Creek on Indiana & Ohio Ry
Open to traffic

IORY - Route T Overpass (Henry County, Ohio)
Slab bridge over Ohio Route T on Railroad (IORY)
Open to traffic

IORY - Trestle Road Overpass (Champaign County, Ohio)
Deck plate girder bridge over Road on Railroad (DT&I)
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

IORY - US20 Overpass (Fulton County, Ohio)
Built 1929
Through Plate Girder Bridge over US Highway 20 on Indiana & Ohio Railway
Open to traffic

IORY Spur - County Road F Overpass (Fulton County, Ohio)
Built around 1928-1929 for DT&I Railroad spur as part of interchange with New York Central/Norfolk Southern Railroad
Slab bridge over County Road F on Indiana and Ohio Railway spur
Open to traffic

IORY/Wabash Cannonball Trail Overpass (Fulton County, Ohio)
Built around 1928-1929 for DT&I Railroad
Pony/through plate girder bridge over Wabash Cannonball Trail (former Wabash Railroad) on Indiana and 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 (Hardin County, Iowa)
Built 1936; rehabilitated 1999
Steel stringer bridge over Iowa River on Main Street
Open to traffic

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

Ioway Creek Bridge (Boone County, Iowa)
Built 1916
Marsh arch bridge over a branch of Ioway (Formerly Squaw) Creek on 110th Street and U Avenue
Open to traffic

Ipswich River Bridge (Essex County, Massachusetts)
Built 1920
Concrete arch bridge over Ipswich River on MA 97 (High Street) in Topsfield
Open to traffic

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

IR - Fox River Bridge (LaSalle County, Illinois)
Pratt deck truss bridge over Fox River on Illinois RailNet West of Sheridan
Open to traffic

IR - Fox River Bridge (Boulder Hill) (Kendall County, Illinois)
Built 1903, Approach added 1938
Steel stringer bridge over IL 25 & Fox River on Illinois RailNet


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

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

IR - Illinois River Bridge (Ottawa) (LaSalle County, Illinois)
Built 1898; Lift span added 1933
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 RailNet (former CB&Q)
Open to traffic

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

IR - Waubansee Creek Bridge (Kendall County, Illinois)
Built in 1948
Steel stringer bridge over Waubansee Creek on Illinois RailNet (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; moved & rehabilitated 1963;
Pennsylvania through truss bridge over Powder River on CR 254
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 Creek Road Blue Ridge Parkway Bridge (Nelson County, Virginia)
Built 1945
Concrete rigid frame bridge over Irish Creek Rd on Blue Ridge Parkway
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

IRM - Patoka River Bridge #1 (Dubois County, Indiana)
Built by the Southern Railway; Now owned by the Indiana Railway Museum out of French Lick.
Railroad bridge over the Patoka River East of Dubois Crossroads
Open to traffic

IRM - Patoka River Bridge #2 (Dubois County, Indiana)
Through truss bridge on Indiana Railway Museum line Northeast of Dubois
Open to traffic

Iron Bridge (Jackson County, Iowa)
Built ca. 1950
Through truss bridge over Maquoketa River on Iron Bridge Road
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 (Macon County, North Carolina)
Built 1934
Pony truss bridge over Chattooga River on FDR 1178 (Bull Pen Road)
Open to traffic

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

Iron Bridge Road Bridge (Mercer County, New Jersey)
Abutments built 1868; Abutments rehabilitated, altered the superstructure (iron part) replaced in1924 with the (used, 1905?) present structure
Pony truss bridge over Crosswicks Creek on Iron Bridge Road
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 City Railroad Bridge (Lawrence County, Tennessee)
Deck plate girder bridge over Shoal Creek on Tennessee Southern Railroad
Open to traffic

Iron Creek Tunnel (Custer County, South Dakota)
Tunnel under hillside on SR 87
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 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

Irondequoit Bay Outlet Bridge (Monroe County, New York)
Built 1998
Seasonal bobtail Warren pony truss swing bridge over Irondequoit Bay on Lake Road
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

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

Iroquis County Bridge 54 (Iroquois County, Illinois)
Built 1937
Slab bridge over Unnamed drainage on CR700 N Rd
Open

Iroquis River Trib.Bridge (Iroquois County, Illinois)
Built 1915; rehabilitated 1916
Steel stringer bridge over Un-named Trib. To Iroquis River on CR1625 E Rd
Open to traffic

Iroquis River Trib.Bridge (Iroquois County, Illinois)
Steel stringer bridge over Un-named Trib. To Iroquis River on CR 3300 N Rd
Open

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

Irving Street Bridge (Union County, New Jersey)
Built 1900
Stone arch bridge over Robinson Branch Rahway River on Irving Street in Rahway
Open to traffic

Irwin Interchange Bridge over the Pennsylvania Turnpike (Westmoreland County, Pennsylvania)
Built 1952; rehabilitated 1988
Pony/through plate girder bridge over I-76 (Pennsylvania Turnpike) on Pennsylvania Turnpike Irwin Interchange Ramps B & C
Open to traffic

Isa Lake Bridge (Teton County, Wyoming)
Built 1936
Wooden bridge over Isa Lake on Grand Loop Road
Open to traffic

Isaac Branch Moores Lake Bridge (Kent County, Delaware)
Built 1919; rehabilitated 1957
Concrete arch bridge over Isaac Branch-Moores Lake on State Street in Wyoming
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

Ischua Creek Bridge (Cattaraugus County, New York)
Built 1997
Pony truss bridge over Ischua Creek on Coal Chutes Road
Open to traffic

Ishmael Branch Bridge (Washington County, Missouri)
Built 1956
Culvert bridge over Ishmael Branch on Route C
Open to traffic

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

Island Avenue Canal Bridge (Essex County, Massachusetts)
Built 2012
Modern polygonal Warren pony truss bridge with alternating verticals over North Canal on Island Avenue
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 Bridge (Passaic County, New Jersey)
Pony truss bridge over Passaic River on driveway
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 Creek Bridge (Ste. Genevieve County, Missouri)
Built 1924; bypassed by new alignment of US 61 in 1939
Concrete bridge over South Fork Isle du Bois Creek on Old TT Road (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

ISRR - East Fork White River Bridge (Pike County, Indiana)
Pony/through plate girder bridge over East Fork White River on Indiana Southern Railroad
Open to traffic

ISRR - Monical Branch Bridge (Morgan County, Indiana)
Girder Bridge over Monical Branch Creek on ISRR
Open to traffic

ISRR - White Lick Creek Bridge (Morgan County, Indiana)
Pratt through truss bridge over White Lick Creek on Indiana Southern Railroad Company Incorporated
Open to traffic

ISRR - White River Bridge (Morgan County, Indiana)
Pratt through truss bridge over White River on Indiana Southern Railroad Company Incorporated
Open to traffic

ISRY - 13th Street Bridge (Monroe County, Iowa)
Original 13' pile trestle bridge at this location built 1899; renewed 1934 with this bridge
Steel stringer bridge over closed street (13th St.) on Iowa Southern Railway
Open to rail traffic

ISRY - 243rd Avenue Overpass (Appanoose County, Iowa)
Built 1929
Pony/through plate girder bridge over 243rd Ave. on Iowa Southern Railway
Open to traffic

ISRY - 645th Avenue Overpass (Monroe County, Iowa)
Grade separation project started & completed in 1938.
Concrete deck girder bridge over 645th Avenue on Iowa Southern Railway
Open to rail traffic

ISRY - Chariton River Bridge (Appanoose County, Iowa)
Built 1945
Warren through truss bridge on Iowa Southern Railway over Chariton River
Open to traffic

ISRY - IA2 Overpass (Appanoose County, Iowa)
Pony/through plate girder bridge over IA2 on Iowa Southern Railway
Open to rail traffic

ISRY - Moulton Junction 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

ISRY - Udell Bridge (Appanoose County, Iowa)
Originally put in place by Wabash Railroad
Pony plate girder bridge over abandoned railroad (former Rock Island) on Iowa Southern Railway
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

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

ITM - Morse Reservoir Bridge (Hamilton County, Indiana)
This bridge was probably constructed to replace an earlier bridge over creek. Later, Reservoir constructed (1956) and this bridge was probably built to handle new demands
Deck plate girder bridge over Current Morse Reservoir, past Cicero Creek on Hoosier Heritage Port Authority property/Indiana Transportation Museum operator(ex-Norfolk Southern, N&W, NKP, Lake Erie & Western, Peru and Indianapolis Railroad) in Cicero
Open to traffic

ITM - White River Bridge (Hamilton County, Indiana)
Built to carry trains from Indianapolis to Michigan City, this rail line is said to be the second oldest in Indiana. Today used by ITM excursions. Around 2001-2002, walkway attached to North side for new trail.
Deck plate girder bridge over White River on Hoosier Heritage Port Authority owned, Indiana Transportation Museum operated(nee Peru and Indianapolis, Lake Erie and Western, Nickel Plate Road, Norfolk and Western, Norfolk Southern Railway) and White R
Open to traffic

Iturbide-Market Street Bridge (Webb County, Texas)
Built 1928
Concrete arch bridge over Arroyo Zacate (Zacate Creek) on Iturbide-Market Street in Laredo
Open to traffic

Ivydale Bridge (Clay County, West Virginia)
Built 1939
Through truss bridge over Elk River on CR 46
Open to traffic

J Avenue Bridge (Louisa County, Iowa)
Built ca. 1920
Pony truss bridge over Otter Creek on J Avenue
Open to traffic

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

J Mack Ferry (Solano County, California)
Ferry across Steamboat Slough on Hwy 220
Open to traffic

J. M. Street Memorial Bridge (Carter County, Tennessee)
Built 1915; rehabilitated and widened 1982
Concrete arch bridge over Doe River on Rittertown Rd
Open to traffic

J. R. Kilgore Bridge (Walker County, Alabama)
Built 2009 - Replaced Johnsey Bridge
Warren pony truss bridge over Blackwater Creek on Johnsey Bridge Road
Open to traffic

J. Strom Thurmond Dam Bridge / Clarks Hill Dam Bridge (Columbia County, Georgia)
Built 1950
Deck plate girder bridge over J. Strom Thurmond Dam / Clarks Hill Dam on U.S. 221
Open to traffic

J.D. Thompson Road NYC RR Overpass (Gibson County, Indiana)
Built 1920
Timber stringer bridge over Abandoned New York Central RR on J.D. Thompson Road
Open to traffic

J.D.Coffing Bridge (Fountain County, Indiana)
Built in 1886 as part of a multi-span bridge across the Wabash near Attica, moved to this location in 1924.
2-span Pratt through truss bridge over Coal Creek on CR 800 South
Open to traffic

Jack Creek Bridge (Phillips County, Kansas)
Built 1911
Queenpost pony truss bridge over Jack Creek on W. Cherokee Road, 1.5 mi. south of Woodruff
Open to traffic

Jack Creek Bridge (Logan County, Arkansas)
Bridge on Jack Creek Road
Open to traffic

Jack Peters Creek Bridge (Mendocino County, California)
Built 1939
Concrete stringer bridge over Jack Peters Creek on State Route 1
Open to traffic