There are 20,045 bridges in this category · Only showing 9,619 bridges with photos
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Owned by county

Omaha Trail - Sherman Creek Bridge #9 (Juneau County, Wisconsin)
Built 1912
Pony/through plate girder bridge over Sherman Creek on Omaha Trail
Open to pedestrians only

Omak Bridge (Okanogan County, Washington)
Lost Through truss with swing span drawbridge over Okanogan River
Collapsed under load during initial test of swing span

One Creek Bridge (Pushmataha County, Oklahoma)
Built 1932
Concrete deck girder bridge over One Creek on 6430C
Open to traffic

One Creek Bridge (Pushmataha County, Oklahoma)
Bridge over One Creek on D1848


One Hundred Fourty Second Creek Bridge (Lyon County, Kansas)
Built 1941
Concrete stringer bridge over One Hundred Fourty Second Creek on Road P
Open to traffic

Oneida River Bridge (Oswego County, New York)
Built 1940; rehabilitated 1991
Through truss bridge over Oneida River on CR 57
Open to traffic

Onion Creek Bridge (Montgomery County, Kansas)
Built 1911 by the Western Bridge Co.
Through truss bridge over Onion Creek on County Road 4500 west of Coffeyville
Bypassed with a new bridge and abandoned

Onion Creek Bridge (Grand County, Utah)
Built 1953
Steel stringer bridge over Onion Creek on Onion Creek Rd
Open to traffic

Onion Creek Bridge (Lyon County, Kansas)
Built 1940; rehabilitated 1980
Steel stringer bridge over Onion Creek on Rd. U (U-370)
Open to traffic

Opaekaa Bridge (Kauai County, Hawaii)
Built 1900
Warren Pony truss bridge over Opaekaa Stream on Opaekaa Road
Open to traffic

Opie Road Bridge (Somerset County, New Jersey)
Built 1921
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 Bridge (Nowata County, Oklahoma)
Built ca. 1930
Arch bridge over Opossum Creek on N4130 Rd.
Open to traffic

Opossum Creek Bridge (Nowata County, Oklahoma)
Built ca. 1930
Through truss bridge over Opossum Creek on Old U.S. 169
Replaced by a new bridge

Opossum Creek CR 501 Bridge (Bollinger County, Missouri)
Built 1975
Wooden bridge over Opossum Creek on CR 501
Open to one-lane traffic

Opossum Hollow Bridge (Fountain County, Indiana)
Built ca. 1920
Concrete arch bridge over Opossum Hollow on CR 1300 North
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

Orange Avenue Bridge (Volusia County, Florida)
Built 1954
Bascule bridge over Halifax River on Orange Avenue in Daytona Beach
Replaced by a new bridge

Orange Avenue Bridge (Carroll County, Iowa)
Built 1913
Pony truss bridge over a tributary of Storm Creek on Olympic Avenue
Open to traffic

Orange Avenue Bridge (Washington County, Iowa)
Built 1934
Steel stringer bridge over Small Stream on Orange Avenue
Open to traffic

Orange Avenue Bridge #2 (Washington County, Iowa)
Built 1925
Steel stringer bridge over N. Fork Long Creek on Orange Avenue
Open to traffic

Orange Hill Road Bridge (Knox County, Ohio)
Built 1887 by the Mt. Vernon Bridge Co.; rehabilitated 1985; replaced 2006
Pony truss bridge over Ireland Creek on Orange Hill Road (TR 325)
Replaced by a new bridge

Orange Road Bridge (Delaware County, Ohio)
Built 1898 by the Toledo Bridge Co.; rehabilitated 1970
Through truss bridge over Olentangy River on Orange Road (TR 114) in Powell
Closed and bypassed.

Orcas-Olga Road Bridge (San Juan County, Washington)
Built 1921
Concrete arch bridge over Cascade Creek on Orcas-Olga Road
Open to traffic

Oregon City Covered Bridge 05-04-B (Butte County, California)
Built 1983 by Clay Castleberry
Modern covered bridge over Oregon Gulch Creek on Oregon Gulch Road at Oregon City
Open to traffic

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

Oregon Trunk railroad Willow canyon tunnel No 1 (Jefferson County, Oregon)
Built 1912 abandoned 1923 blown up by us army soldiers in 1944 as part of a training exercise during ww2
Lost Tunnel
Demolished

Original Prado Road Bridge (San Luis Obispo County, California)
Built unknown; Replaced 1957
Lost Bridge over San Luis Obispo Creek on Prado Road
Replaced by a new bridge

Originial Lagunitas Road Bridge (Marin County, California)
Built in 1909; Replaced in 2010
Lagunitas Road Bridge over Corte Madera Creek in Ross, California.
Replaced by a new bridge

Orland Hambright Creek Bridge (Glenn County, California)
Built 1936
Concrete deck girder bridge over Hambright Creek on Former US 99 West
Open to traffic

Orleans Bridge (Polk County, Missouri)
Through truss bridge over Little Sac River on 505th Road, southeast of Aldrich
Closed to all traffic

Oronoco Bridge (Olmsted County, Minnesota)
Built 1918; rehabilitated 1987; Damaged by flood & re-opened 2010
Open-spandrel arch bridge over Zumbro River on CSAH 18 at Oronoco
Open to traffic

Orr Road Bridge (Washington County, Arkansas)
Built 1924; rehabilitated 2017
Through truss bridge over Illinois River on Orr Road (CR 67) just off AR 265, southeast of Prairie Grove
Open to traffic with 3 ton limit

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

Orten Creek Bridge (Scott County, Arkansas)
Built 1915; rehabilitated 1984
Pony truss bridge over Orten Creek on CR 60
Open to one-lane traffic

Osage Creek Bridge (Benton County, Arkansas)
Built in 1911 by the Missouri Valley Bridge & Iron Company of Leavenworth, Kansas
Through truss bridge over Osage Creek on CR 71 southeast of Healing Springs
Replaced by new bridge

Osage Creek Bridge (Benton County, Arkansas)
Built 1935
Steel stringer bridge over Osage Creek on Old Highway 68
Open to traffic

Osage Creek Bridge (Grant County, Oklahoma)
Bypassed by new bridge 1967
Pratt pony truss bridge over Osage Creek on Old US 81
Open to traffic

Osage Prairie Trail - Flat Rock Creek Bridge (Tulsa County, Oklahoma)
Built 1930s
Warren deck truss bridge over Flat Rock Creek on Osage Prairie Trail (former Midland Valley RR) in Tulsa
Open to cyclists & pedestrians

Osage Road Spring Creek Bridge (Clay County, Kansas)
Built 1903
Pratt through truss bridge over Spring Creek, 2.0 mi. north and 6.0 mi. west of Green
Unknown status

Osage Valley Road Bridge (Cooper County, Missouri)
Built 1913; rehabilitated 1993
Pony truss bridge over Petite Saline Creek on Osage Valley Road
Open to traffic

Osborn Road Bridge (Tehama County, California)
Built 1960; rehabilitated 1984
Pratt Pony truss bridge over Mill Creek on Osborn Road
Open to traffic

Osborne Road Bridge (Osage County, Kansas)
Built ca. 1910
Abandoned through truss bridge over 110 Mile Creek, 2.5 mi. north and 0.7 mi. east of Quenemo
Closed to all traffic

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

Ost Valle Bridge (Grand Forks County, North Dakota)
Built 1910
Through truss bridge over an Unnamed tributary of Red River on a 8th Avenue NE, 1 mi. north and 6 mi. east of Thompson in Walle Township
Open to traffic

Ostelic River Bridge (Old) (Chenango County, New York)
Lost Pony truss bridge over Ostelic River on Rt13
Replaced by a new bridge

Oswegatchie Trail Road Bridge (Old) (St. Lawrence County, New York)
Lost Pony truss bridge over Oswegatchie on Oswegatchie Trail Road
Replaced by a new bridge

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

Ottawa Creek CR 26 Bridge (Hancock County, Ohio)
Built ca. 1960
Pony truss bridge over Ottawa Creek on CR 26
Open to traffic

Ottawa Creek TR 38 Bridge (Hancock County, Ohio)
Built by the Smith Bridge Co.
Pony truss bridge over Ottawa Creek on TR 38
Removed but not replaced

Ottawa Creek TR 84 Bridge (Hancock County, Ohio)
Built by the Wrought Iron Bridge Co.
Pony truss bridge over Ottawa Creek on TR 84
Closed to all traffic

Ottawa Street Bridge (Newton County, Missouri)
Built by the Canton Bridge Co, Replaced 2008
Pony truss bridge over Little Lost Creek on Ottawa Street in Seneca
Replaced by a new bridge

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 (Fayette County, Iowa)
Relocated 1956
Pony truss bridge over Otter Creek on 45th Street
Open to traffic

Otter Creek Bridge (Fayette County, Iowa)
Built 1917
Concrete girder bridge over Otter Creek on 40th Street
Open to traffic

Otter Creek Bridge (Greene County, Iowa)
Built 1924
Steel stringer bridge over a drainage ditch on CR E39 (former Lincoln Highway) in Ralston
Open to traffic

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 300th Street
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 (Chautauqua County, Kansas)
Built 1936 by the Works Progress Administration
Through truss bridge over Otter Creek, 4.2 mi. north of Cedarvale
Open to traffic

Otter Creek Bridge (Rush County, Kansas)
Built 1941
Stone arch bridge over Otter Creek, 7.4 mi. south and 3.0 mi. east of Nekoma
Open to traffic

Otter Creek Bridge (Logan County, Oklahoma)
Built ca. 1910
Lost Pony truss bridge over Otter Creek on 4230C
Replaced by new bridge

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

Otter Creek Bridge (Fulton County, Illinois)
Built 1935
Steel stringer bridge over Otter Creek on County Road 2
Open to traffic

Otter Creek Bridge (Morton County, North Dakota)
Built 1945
Timber stringer bridge over Otter Creek on County Highway
Open to traffic

Otter Creek Covered Bridge 14-69-02 (Ripley County, Indiana)
Built 1884 by Thomas A. Hardman; closed to traffic 1996
Covered bridge over Otter Creek on CR 850 West
Currently closed off to pedestrians due to severe damage likely caused by straight-line winds in February.

Otter Creek CR 139 Bridge (Monroe County, Missouri)
Built ca. 1920
Pony truss bridge over Otter Creek on CR 139
Open to traffic

Otter Creek CR 239 Bridge (Monroe County, Missouri)
Built ca. 1930
Pony truss bridge over Otter Creek on CR 239
Open to traffic

Otter Road Pony Truss Bridge (Fayette County, Iowa)
Built 1966
Pony truss bridge over an unnamed creek on Otter Road
Open to traffic

Ottumwa Wabash Bridge (Wapello County, Iowa)
Built 1888, North span of the bridge collapsed February 13, 1973; Converted into a pedestrian bridge 2007
Through truss pedestrian bridge over Des Moines River on former Wabash RR in Ottumwa
Open to pedestrians/bicycles

Ouachita River Bridge (Polk County, Arkansas)
Built 1929
Pony truss bridge over Ouachita River on CR 109 (Old US 71/270) in Acorn
Open to traffic

Ouachita River CR 74 Bridge (Polk County, Arkansas)
Built 1914; replaced 2001
Lost pony truss bridge over Ouachita River on CR 74
Replaced by a new bridge

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

Ouachita River Relief Bridge (Polk County, Arkansas)
Built 1929
Concrete tee beam bridge over Ouachita River Relief on CR 109 (Old US 71/270) in Acorn
Open to traffic

Outer Belt Culvert (Jackson County, Missouri)
Stone culvert with slab over Creek on South Outer Belt Road (County Route F)
Open to traffic

Outlet Ditch CR 253 Bridge (Hancock County, Ohio)
Built by the Smith Bridge Co.
Pony truss bridge over Outlet Ditch on CR 253
Replaced by a new bridge

Outlet Ditch TR 251 Bridge (Hancock County, Ohio)
Pony truss bridge over Outlet Ditch on TR 251
Open to traffic

Overflow Channel Bridge (Thurston County, Washington)
Built 1936
Bridge over Overflow Channel on Old US 99
Open to traffic

Overpeck Creek Arch Bridges (Bergen County, New Jersey)
Built 2012
Twin timber tied arch bridges over Overpeck Creek on Degraw Avenue/Fort Lee Road (old alignment)


Overpeck Creek Bridge (Bergen County, New Jersey)
Built 1913
Deck girder bridge over Overpeck Creek on Route 46
Replaced by a new bridge

Owen County Bridge #143 (Owen County, Indiana)
Built 1930
Girder bridge over Lick Creek on CR 310W
Open to traffic

Owen County Bridge #144 (Owen County, Indiana)
Built 1930
Girder bridge over Branch of Lick Creek on CR 310W
Open to traffic

Owens Covered Bridge (Polk County, Iowa)
Built 1887 over North River; Relocated to Lake Easter Park,
Howe through truss bridge over Branch of Yeader Creek on a pedestrain path in Lake Easter Park
Open to pedestrians

Owens Creek Main City Road Bridge (Cass County, Missouri)
Built ca. 1940
Pony truss bridge over Owens Creek on Main City Road
Open to traffic

Owens Ditch Bridge (Benton County, Indiana)
Built ca. 1920
Pony truss bridge over Owens Ditch on CR 225 North
Open to traffic

Owens Mill Bridge (Cedar County, Missouri)
Built 1906 by the Canton Bridge Co.; replaced 2008
Lost through truss bridge over Bear Creek on CR 1801
No longer exists

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

Owens Road Bridge (De Kalb County, Illinois)
Lost Pony truss bridge over East Branch Big Rock Creek on Owens Road
No longer exists. Replaced by new bridge.

Owensville Road Bridge (Gibson County, Indiana)
Bridge over Branch of Jordan Creek on Owensville Road
Open to traffic

Owensville Road over Branch of Jordan Creek (Gibson County, Indiana)
Concrete rigid frame bridge over Branch of Jordn Creek on Owensville Road
Open to traffic

Owensville Road-Jordan Creek Bridge (Gibson County, Indiana)
Bridge over Branch of Jordan Creek on Owensville Road
Open to traffic

Owl Creek Bridge (Le Flore County, Oklahoma)
Built 1911; bypassed by new bridge in 2015
Double Intersection Warren through truss bridge over Owl Creek on 4050C
Intact but closed to all traffic

Owl Creek Bridge (St. Francois County, Missouri)
Built 1960
Bridge over Owl Creek on Old Hwy 8
Open to traffic

Oxbo Road Bridge (Sawyer County, Wisconsin)
Warren pony truss bridge over Flambeau River on Oxbo Road
Open to traffic

Oxbow Bridge (Clinton County, New York)
Built 1898 by Berlin Iron Bridge Co.; Rehabilitated 1979; Closed 1993
Pin Connected Pennsylvania through truss bridge over Saranac River on Kents Falls Road
Intact but closed to all traffic

Oxly Military Road Bridge (Ripley County, Missouri)
Built ca. 1930
Wooden deck bridge over Logan Creek on CR 142E-30 (Old Military Road), just south of Oxly
Open to one-lane traffic

Oyster Creek CR 597 Bridge (Lewis County, Missouri)
Built ca. 1910
Pony truss bridge over Oyster Creek on CR 597
Open to traffic