There are 6,650 bridges in this category · Only showing 4,007 bridges with photos
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Span length 75-100 feet

Okatibbee Creek Bridge (Lauderdale County, Mississippi)
Built 1926
Pony truss bridge over Okatibbee Creek on Old US 80 in Meridian
Open to traffic

Okemos Road Bridge (Ingham County, Michigan)
Built 1924
Concrete girder camelback bridge over Red Cedar River on Okemos Road NB
Open to traffic

Okey Road Bridge (Muskingum County, Ohio)
Built 1935
Parker pony truss bridge over Buffalo Fork on Okey Road (TR 209).
Replaced by a new bridge

Okoboji Bridge (Dickinson County, Iowa)
Built in 1909 over the strait between West and East Okoboji Lakes, replaced in 1926 but the truss span was relocated to its present spot.
Pony truss bridge over a branch of Little Sioux River on 180th Avenue
Bridge is privately owned by Parks Marina in Okoboji, awaiting re-erection over a pond on the grounds

Old Alexander Bridge (Walker County, Georgia)
Built 1901; stone abutments date to 1897; bridge rehabilitated 1971; closed to vehicular traffic 2009, relocated to park in Walker County
Pony truss bridge formerly over West Chickamauga Creek on Alexander Bridge Road
Open to traffic

Old Barn Bridge (Fillmore County, Minnesota)
Built 1914
Through truss bridge over Mill Pond South Branch Root on Heron Road
Closed to all traffic

Old Bridgetown Pike Bridge in Middletown Township, PA (Bypassed) (Bucks County, Pennsylvania)
Built 1907 bypassed by a new bridge
Pony truss bridge over Neshaminy Creek on Old Bridgetown Pike in Middletown Township, Pennsylvania
Closed to all traffic

Old Cannons Lane Bridge (Jefferson County, Kentucky)
Built ca. 1960
Concrete arch bridge over Middle Fork Beargrass Creek on Old Cannons Lane in Louisville
Open to traffic

Old Cap Au Gris Road Bridge (Lincoln County, Missouri)
Bridge over US Hwy 61 on Old Cap Au Gris Road
Open to traffic

Old Cazadero Road Bridge (Sonoma County, California)
Built 1940
Bailey Bridge truss bridge over Austin Creek on Old Cazadero Road
Open to traffic

Old Channel Cow Creek Bridge (Rice County, Kansas)
Built ca. 1920
Pony truss bridge over Old Channel Cow Creek, 1.5 mi. south and 9.6 mi. east of Sterling
Open to traffic

Old Clairton Road Bridge (Allegheny County, Pennsylvania)
Built ca. 1886; rehabilitated 1967; removed 2002
Lost wrought-iron through truss bridge over CSX Railroad on Old Clairton Road
Removed but not replaced

Old Coast Highway Bridge North (Monterey County, California)
Built 1950
Bailey truss bridge over North Fork Little Sur River on Old Coast Highway
Open to traffic

Old CR 167 Pony Truss (Mitchell County, Texas)
Abandoned warren pony truss with alternating verticals bridge over Colorado on road
Bypassed and abandoned in place

Old CR 450 Pony Truss (Williamson County, Texas)
Built Unknown
Polygonal Warren pony truss bridge over Brushy Creek
Closed to all traffic

Old Elm Street Bridge (Forest County, Pennsylvania)
Built 1919; rehabilitated 1996
Concrete arch bridge over Tionesta Creek on Old Elm Street in Tionesta
Open to traffic

Old Federal Road Bridge (Murray County, Georgia)
Built 1918
Pony truss bridge over Mill Creek on Old Federal Road in Eton
Closed

Old Galena Trail Plum River Bridge (Carroll County, Illinois)
Built 1955; rehabilitated 1985
Pony truss bridge over Plum River on North Old Galena Trail
Open to traffic

Old Grauwyler & Grapevine Road (Dallas County, Texas)
Built 1930 to cross new Trinity River Diversion Channel
Lost Through Truss Bridge over Trinity River Diversion Channel on Proctor Street
Removed but not replaced

Old Hershey Road Overpass (Dauphin County, Pennsylvania)
Built 1949 by the PTC
Pony/through plate girder bridge over PA Turnpike/I-76 on Old Hershey Road/T-602 in Elizabethtown
Open to traffic

Old Highway 36 Bridge (Ralls County, Missouri)
Warren pony truss bridge over South River on CR 260E (formerly Highway 36)
Open to traffic posted for load

Old Hwy 85 Old Woman Creek Bridge (Niobrara County, Wyoming)
Warren pony truss bridge over Old Woman Creek on Old Hwy 85 (Redbird Rd)
Open to traffic

Old IN67 Lambs Creek Bridge (Morgan County, Indiana)
Built 1893 by the Wrought Iron Bridge Co.
Through truss bridge over Lambs Creek on Old IN 67
Open to traffic

Old Man's Creek Bridge (Iowa County, Iowa)
NBI showns built 1967 but looks older
Pony truss bridge over Old Man's Creek on 265th Street
Open to traffic

Old Manor Road Bridge (Travis County, Texas)
Built 1925
Warren pony truss bridge over Walnut Creek on Old Manor Road in Austin
Open to traffic

Old Mattole Road Bridge (Humboldt County, California)
Built 1926
Pratt half-through truss bridge over McNutt Creek on Old Mattole Road
Open to traffic

Old McCourtney Road Bridge (Placer County, California)
Built 1930, bypassed by new alignment ca.1998
Pony truss bridge over Coon Creek on McCourtney Road
Bypassed by new alignment

Old Mill Rd. White Deer Hole Creek Bridge (Union County, Pennsylvania)
Built 1889; rehabilitated 1994
Through truss bridge over White Deer Hole Creek on Old Mill Rd.
Open to traffic

Old Mines Bridge (Washington County, Missouri)
Built 1923; rehabilitated 1933; replaced Summer 2007
Lost pony truss bridge over Old Mines Creek on MO 21
Replaced by a new bridge

Old Mines Creek Bridge (Washington County, Missouri)
Built 2006
Stringer bridge over Old Mines Creek on Mo 21 S
Open to traffic

Old Mines Creek Bridge (Washington County, Missouri)
Bridge over Old Mines Creek on State Hwy 47
Open to traffic

Old Mt. Aukum Road Bridge (El Dorado County, California)
Built 1924
Concrete arch bridge over Mid Fork Cosumnes River on Mira Pardis Drive
Open to traffic

Old NY 30 Bridge (Hamilton County, New York)
Built 1915; rehabilitated 1968
Warren pony truss with alternating verticals bridge over Sacandaga River on Old Route NY 30
Open to pedestrians only

Old NY 8B Christine Falls Bridge (Hamilton County, New York)
Built 1920; rehabilitated 1968
Pony truss bridge over Sacandaga River on Old NY 8B in Speculator
Open to traffic

Old Parker Bridge (Escambia County, Alabama)
Built 1947; bypassed by new bridge in 2004
Abandoned warren pony truss bridge over Conecuh River on former CR 4
Abandoned

Old Pinnacle Road Bridge (Cheatham County, Tennessee)
The Nashville, Chattanooga and St. Louis Railroad installed the two truss spans in 1898 and the Virginia Bridge and Iron Co. fabricated the plate girder in 1911. In 1922 the County acquired the bridge for a roadway.
Through truss bridge over Harpeth River in Kingston Springs
Closed to all traffic

Old Plank Road Trail - I80 Overpass (Will County, Illinois)
Built 1965, Replaced 2017
Pony plate girder bridge over Interstate 80 on Old Plank Road Trail
Open to pedestrians only

Old Red Covered Bridge 14-26-01 (Gibson County, Indiana)
Built 1875 by William T. Washer
Covered bridge over Big Bayou on Barnes Road
Bypassed 1976; Open to pedestrians

Old Red Oak Road Bridge - Tenmile Creek (Dallas County, Texas)
Built 1936
Pony truss bridge over Tenmile Creek on Old Red Oak Road in Lancaster
Replaced by a new bridge But Truss Superstructure is Still in Place

Old Rhome Road - West Fork Trinity River Bridge (Wise County, Texas)
Warren pony truss bridge over West Fork Trinity River on Old Rhome Road
Open to authorized vehicles only

Old River Aux. C.S. Bridge (Concordia Parish, Louisiana)
Built 1986
Stringer bridge over Old River Aux. C.S. on La 0015
Open to traffic

Old Road Santa Clara River Bridge (Los Angeles County, California)
Built 1928
Steel stringer bridge over Santa Clara River on The Old Road in Santa Clarita
Open to traffic

Old Route 66 Rooks Creek Bridge (Livingston County, Illinois)
Built 1939; rehabilitated 1997
Steel stringer bridge over Rooks Creek on Old Rt 66 Fas 294
Open to traffic

Old Route 66 Salt Creek Bridge (Logan County, Illinois)
Built 1942; rehabilitated 1975, replaced 2014
Steel stringer bridge over Salt Creek on Bl 55 / Old Us 66
Replaced by a new bridge

Old State Road Bridge (St. Lawrence County, New York)
Built 1929
Open-spandrel arch bridge over Oswegatchie River on Old State Road
Intact but closed to all traffic

Old State Route 1-Sugar Creek Bridge (Johnson County, Indiana)
Part of the original State Road 1, an early Indiana highway.
Concrete arch bridge over Sugar Creek on CR 550 East
Open to traffic

Old Survey Road Through Truss (Cooke County, Texas)
Built 1893; Relocated to Parkhill Park in Callisburg, Texas in 2004
Pratt through truss bridge formerly over Sandy Creek on Survey Road now in park
Replaced by a new bridge and relocated

Old United States Naval Academy Bridge (Anne Arundel County, Maryland)
Built 1924, Rehabbed 1979 after 4 of the easternmost spans were found to be in poor condition in 1978, Replaced 1995
Deck girder bridge over Severn River on Route 450
Replaced by a new bridge

Old US 169-Horsepen Creek Bridge (Tulsa County, Oklahoma)
Built 1930
Pratt through truss bridge over Horsepen Creek on Old US 169
Open to traffic

Old US 69 Little River Bridge (Decatur County, Iowa)
Built 1943
Pony truss bridge over Little River on Old 69 Highway
Intact but closed to all traffic

Old US 71 West Nodaway River Bridge (Montgomery County, Iowa)
Built 1924
Pony truss bridge over West Nodaway River on Old US 71 in Grant
Open to traffic

Old US 78/Five Mile Creek Greenway Bridge (Jefferson County, Alabama)
Concrete stringer bridge over Five Mile Creek on a former alignment of US 78/Five Mile Greenway
Closed

Old US-80/I-20 - West Fork Trinity River Bridge (WB) (Parker County, Texas)
Built 1978
Beam bridge over West Fork Trinity River on Westbound I-20 Frontage Road (Formerly WB US-80I-20)
Open

Old US20 Boone River Bridge (Hamilton County, Iowa)
Built 1950; rehabilitated 1978
Steel stringer bridge over Boone River on 2nd Street
Open to traffic

Old US61 Honey Creek Bridge (Clark County, Missouri)
Built 1925
Pony truss bridge over Honey Creek on CR 409 (Old US 61)
Open to traffic

Old US61 Ramsey Branch Bridge (Cape Girardeau County, Missouri)
Built 1928
Pony truss bridge over Ramsey Branch on Old US 61 (S. Kingshighway) in Cape Girardeau
Open to traffic on a dead-end paved road

Old Woman Run Bridge (Braxton County, West Virginia)
Built 1899
Pratt through truss bridge over Old Woman Run on Pedestrian Path
Open to pedestrians

Old Woodruff Bridge (Navajo County, Arizona)
Built 1939 with relocated span from a 1918 bridge
Pratt pony truss bridge over Little Colorado River on an old alignment of Woodruff Road
Open to pedestrians

Oldmans Creek Bridge (Salem County, New Jersey)
Built 1936; altered 1968ca; rehabilitated 1996
Vertical lift bridge over Oldmans Creek on US 130
Open to traffic

Olympic Boulevard Bridge/9th Street Viaduct (1925) (Los Angeles County, California)
Built 1925
Concrete arch bridge over Los Angeles River and railroad tracks on Olympic Boulevard in Los Angeles
Open to traffic

Oneida Street Bridge (Outagamie County, Wisconsin)
Built 1959
Bascule bridge over Fox River (Army Corps of Engineers canal) on Oneida Street in Appleton
Open to traffic

Oneota Drive Bridge (Winneshiek County, Iowa)
Built 1948
Pony truss bridge over Dry Run Creek on Oneota Drive in Decorah
Replaced by a new bridge

Ontario Pathways - NY5 Overpass (Ontario County, New York)
Pony plate girder bridge over RT 5 on Ontario Pathways
Open to pedestrians only

Ontonagon River Bridge (Ontonagon County, Michigan)
Built 1939
Lost swing bridge over Ontonagon River on M-64 in Ontonagon
Replaced by a new bridge

Opequon Creek Bridge (Frederick County, Virginia)
Built 1917
Concrete arch bridge over Opequon Creek on Route 672 (Brucetown Road)
Open to traffic

Opie Road Bridge (Somerset County, New Jersey)
Built 1921; widened in 2005-2006
Pony truss bridge over South Branch Raritan River on Opie Road
Open to traffic

Opie Road over S. Branch Raritan River Bridge (Somerset County, New Jersey)
Built 2001
Warren pony truss with alternating verticals bridge over S. Branch Raritan River on Opie Road
Open to traffic

Opossum Creek IN 263 Bridge (Warren County, Indiana)
Built 1936
Concrete arch bridge over Opossum Creek on IN 263
Open to traffic

Opossum Run-Possum Run Rd. Bridge (Warren County, Indiana)
Built 1925, rehabilitated in 1965
Pony truss bridge over Opossum Run on Possum Run Road
Replaced by a new bridge

Oradell Avenue Bridge (Bergen County, New Jersey)
Built 1904; rehabilitated 1972
Pony/through plate girder bridge over Hackensack River on Oradell Avenue
Open to traffic

Orchard Buck Road Bridge (Lancaster County, Pennsylvania)
Built 1903; removed 2010
Lost pony truss bridge over abandoned Pennsylvania Railroad / Enola Low Grade Trailon Orchard Buck Road
No longer exists

Oregon Creek Covered Bridge 05-58-01 (Yuba County, California)
Built 1860 by Thomas Freeman, closed 2010, rehabilitated and reopened 2017
Covered bridge over Oregon Creek on Alleghany Ridge Road at Oregon Creek Campground
Open to light traffic

Oregon Trail Memorial Bridge (Ada County, Idaho)
Built 1931; rehabilitated 1992
Concrete arch bridge over Boise River on Capital Boulevard in Boise
Open to traffic

Orne Covered Bridge 45-10-02 #2 (Orleans County, Vermont)
built either 1879 or 1880; Completely rebuilt 1999
Paddleford through truss bridge over Black River on Back Coventry Road
Open to traffic

Orr Springs Road Bridge (Mendocino County, California)
Built 1955
Steel stringer bridge over South Fork Big River on Orr Springs Road
Open to traffic

Ortega River Bridge (Duval County, Florida)
Built 1927; rehabilitated 1996
Bascule bridge over Ortega River on FL 211 in Jacksonville
Open to traffic

Osaugie Trail - Nemadji River Bridge (Douglas County, Wisconsin)
Built 1904
Pony/through plate girder bridge over Nemadji River on Osaugie Trail
Open to pedestrians only

Osiris Bridge (Cedar County, Missouri)
Built 1911 by the Canton Bridge Co.; replaced 2006
Lost pony truss bridge over Horse Creek on CR 1600
Replaced by a new bridge

Oswegatchie River Bridge (St. Lawrence County, New York)
Built 1914; rehabilitated 1960; replaced 2002
Lost Warren pony truss bridge over Oswegatchie River on New Street in Edwards
Relocated in 2021 to Jones Road in Hopkinton NY

Otis Road Bridge (New) (Essex County, New York)
Built 2013
Polygonal Warren pony truss bridge over Boquet River on Otis Road
Open to traffic

Otter Creek Bridge (Crawford County, Iowa)
Built 1945
Pony truss bridge over Otter Creek on E Avenue
Replaced by a new bridge

Otter Creek Bridge (Lucas County, Iowa)
Built ca. 1910
Through truss bridge over Otter Creek on Wyoming Street
Has been closed since 2009

Otter Creek Bridge (Lyon County, Iowa)
Built 1900
Through truss bridge over Otter Creek on a local road
Open to traffic

Otter Creek Bridge (Tama County, Iowa)
Built ca. 1930
Pony truss bridge over Otter Creek on 320th Street
Open to traffic

Otter Creek Bridge (Logan County, Oklahoma)
Built 1912
Pratt through truss bridge over Otter Creek on E0640
Closed to all traffic

Otter Tail River Bridge (Otter Tail County, Minnesota)
Built 1908
Concrete arch bridge over Otter Tail River on Mill Street in Fergus Falls
Open to traffic

Ouachita River CR 76 Bridge (Polk County, Arkansas)
Built 1914
Pony truss bridge over Ouachita River on CR 76 (Old US 71)
Open to one-lane traffic

Overhill Road Bridge (Lehigh County, Pennsylvania)
Built 1931; rehabilitated 1984
Concrete arch bridge over Little Lehigh Creek on Overhill Road in Allentown
Open to traffic

Overholtzer Covered Bridge 38-30-31 #2x / 38-63-31 #2x (Greene County, Pennsylvania)
Built 1889; Collapsed March 1994
Lost Burr arch-truss bridge over Ten Mile Creek on Davis Lane
Collapsed 1994

Overton Bridge (Washington County, Indiana)
Built 1885 by the King Bridge Company; rehabilitated 1986; replaced 2002
Dismantled through truss bridge originally over Blue River on Martinsburg Road
Replaced by new bridge,through truss dismantled for reuse, bowstring pony privately owned.

OW - Lyon Brook Bridge (Chenango County, New York)
Built 1894, rehabilitated in 1899 and 1910, abandoned in 1958, removed in 1966
Lost Deck truss bridge over Lyon Brook and Lyon Brook Road on former New York, Ontario and Western Railroad northeast of Oxford
Removed

Owens Road Bridge (Miami County, Ohio)
Built 1880's; rehabilitated 1958
Through truss bridge over Panther Creek on Owens Road (TR 76)
Open to traffic

Ozark Mill Bridge (Christian County, Missouri)
Built 1922 by the Pioneer Construction Co.
Two-span through truss bridge over Finley Creek on W. McCracken Street (Old US 65) in Ozark
Open to traffic

P&E Little Kickapoo Creek Bridge (McLean County, Illinois)
Built circa 1866 by the IB&W Railway when the line was constructed.
Abandoned bridge over Little Kickapoo Creek on Peoria & Eastern Railway
Derelict/abandoned

PA 346 -Allegheny River/P.R.R. (Replacement) (McKean County, Pennsylvania)
Stringer bridge over Allegheny River/ P.R.R. on ON DUFFYTOWN ROAD
Open to traffic

PA 4005 (Seamens Road) over NS RR Bridge (Lackawanna County, Pennsylvania)
Built 1915
Open-spandrel arch bridge over Norfolk Southern on PA 4005 (Seamens Road)
Open to traffic

Pacific Coast Highway Ballona Creek Bridge (Los Angeles County, California)
Built 1937
Haunched Steel stringer bridge over Ballona Creek on Lincoln Blvd. (State Route 1) in Los Angeles
Open to traffic

Pacific Electric Trail - Foothill Boulevard Overpass (Rancho Cucamonga) (San Bernardino County, California)
Built 1929; Removed 2010
Lost Pony/through plate girder bridge over Foothill Boulevard on Pacific Electric Bike Trail
Replaced by a new bridge

Pacific Mill Bridge (Essex County, Massachusetts)
Lost Parker patent pony truss bridge over North Canal on Appleton Street
Replaced by a new bridge

Pacolet River Bridge (Union County, South Carolina)
Built 1933; rehabilitated 1977
Concrete tee beam bridge over Pacolet River on Sc 18
Open to traffic