There are 13,891 bridges in this category · Only showing 7,740 bridges with photos
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Owned by state

NRT - VA52 Overpass (Wythe County, Virginia)
Built 1931
Steel stringer bridge over VA 52 on New River Trail
Open to pedestrians only

NS - Natural Tunnel (Scott County, Virginia)
Railroad built through the naturally-formed tunnel in 1893.
Tunnel under Natural Tunnel on Norfolk Southern Railway
Open to traffic

NS IL113 Overpass (Kankakee County, Illinois)
Built 1928
Lost Deck girder bridge over Illinois Rt 113 on Norfolk Southern RR
Replaced by new bridge

NS-Altice Road Bridge (Bedford County, Virginia)
Built 1932. Posted for load
Timber stringer bridge over NSRR on Altice Rd
Open to traffic

NS-Morgans Mill Road Bridge (Bedford County, Virginia)
Built 1932. Reconstructed 2016. Posted for load (10 tons)
Timber stringer bridge over NSRR on Morgans Mill Rd
Open to traffic

NS-Stone Mountain Road Bridge (Bedford County, Virginia)
Built 1932
Pony/through girder bridge over NSRR on Stone Mountain Rd
Open to traffic

NS-Tardy Mountain Road Bridge (Campbell County, Virginia)
Built 1932 posted for load 9 tons
Steel stringer bridge over Tardy Mountain Rd on NSRR
Open to traffic

Nueces River Bridge (Uvalde County, Texas)
Built 1933; rehabilitated 1935
Through truss bridge over Nueces River on Eastbound US 90B
Open to traffic

Nulls Creek Bridge (Lincoln County, Missouri)
Bridge over Nulls Creek on Route H
Open to traffic

Nut Junction Bridge (Cape Girardeau County, Missouri)
Built 1938
Pony plate girder bridge over the Castor River Diversion Channel on Route N just east of the intersection with Route U and Route T
Open to two-lane traffic with no posted weight limit

NY 19- WiscoyCreek (Wyoming County, New York)
Stringer bridge over WISCOY CREEK on RTE 19
Open to traffic

NY 35 Bridge (Westchester County, New York)
Built 1910
Concrete arch bridge on NY 35
Open to traffic

NY 353 -Little Valley Creek (Cattaraugus County, New York)
Built 1940
Bridge over Little Valley Creek on NYS 353
Open to traffic

NY-82 Overpass (Dutchess County, New York)
Built 1936
Pony/through plate girder bridge over Mnrr Be Line on Rte 82
Open to traffic

NY213 Rondout Creek Bridge (Ulster County, New York)
Built 1931; rehabilitated 1986
Through truss bridge over Rondout Creek on NY 213 in Stone Ridge
Demolished

NY30A Erie Barge Canal Bridge (Montgomery County, New York)
Built 1989
Modern polygonal Warren through truss bridge over Erie Barge Canal on Rte 30a
Open to traffic

NY33 Oveprass (Monroe County, New York)
Built 1939; rehabilitated 1975
Through truss bridge over CSX Railroad on NY 33
Open to traffic

NY436 Genesee River Bridge (Livingston County, New York)
Built 1920; rehabilitated 1968
Concrete arch bridge over Genesee River on NY 436
Open to traffic

NY5S Schoharie Creek Bridge (Montgomery County, New York)
Built 1910 by Fort Pitt Bridge works; Abandoned 1981; Converted for emergency Highway use 1987; Converted to pedestrian path 1988; Rehabilitated for permanent highway use 2015
Baltimore through truss bridge over Schoharie Creek on NY 5S
Open to highway traffic; RR line abandoned

NY74 Schroon River Bridge (Essex County, New York)
Built 1936; rehabilitated 1983
Warren pony truss bridge over Schroon River on NY 74
Open to traffic

NYCTA - 53rd Street Tunnel (New York County, New York)
Built 1932
Tunnel under East River on IND Queens Boulevard Line
Open to traffic

NYCTA - Beach Channel Drawbridge (Queens County, New York)
Built 1956
Warren through truss bridge over Jamaica Bay on New York City Metropolitan Transit Authority
Open to traffic

NYCTA - Cranberry Street Tunnel (New York County, New York)
Built 1932
Tunnel under East River on IND Eighth Avenue Line
Open to traffic

NYCTA - Manhattan Valley Viaduct (New York County, New York)
Built 1904
Steel arch bridge over Manhattan Valley on IRT West Side Line
Open to traffic

NYS 219- WNYP RR (Cattaraugus County, New York)
Stringer bridge over WESTERN NY & PENN on RTE 219
Open to traffic

NYS Rt 21- NS RR (Replacement) (Steuben County, New York)
Stringer bridge over NS RR, Creek on NYS 21


NYS16-Cattaraugus Creek (Cattaraugus County, New York)
Beam bridge over CATTARAUGUS CREEK on RTE 16
Lost Through Truss Bridge over Cattaraugus Creek

O'Neal Bridge (Colbert County, Alabama)
Built 1939
Cantilevered Warren through truss bridge over Tennessee River on US 43 between Florence and Sheffield
Open to traffic

O.K. Allen Bridge (Rapides Parish, Louisiana)
Built 1936; Lost 2015
K-Parker through truss bridge over Red River on US 71
Replaced by new bridge; destroyed September 2015

Oak Forest Road Bridge (Greene County, Pennsylvania)
Built 1926
Concrete tee beam bridge over Stewart Run on SR 3013 (Oak Forest Road)
Open to traffic

Oak Grove Park Bridge (Cass County, North Dakota)
Built 2014
Modern Warren pony truss vertical lift bridge over Red River on Walkway
Open to pedestrians only

Oak Orchard Creek Bridge (Orleans County, New York)
Built 1936; rehabilitated 1998
Through truss bridge over Oak Orchard Creek on NY 18
Open to traffic

Oak Park Blvd Overpass (San Luis Obispo County, California)
Built 1956; Replaced 1993
Lost Slab bridge over US 101 on Oak Park Blvd
Replaced by a new bridge

Oak Street Bridge (Garrett County, Maryland)
Built 1921
Concrete arch bridge over Little Youghiogheny River on MD 39 in Oakland
Open to traffic

Oak Street Bridge (Old) (Orange County, New York)
Lost Pony truss bridge over Wallkill River on Oak Street
Replaced by a new bridge

Oak Street Overpass (Strafford County, New Hampshire)
Built 1890; Reconstructed 1928
Lost Bridge over Bmrr on Oak Street
Replaced by a new bridge

Oakland Bridge (Providence County, Rhode Island)
Built 1917
Concrete arch bridge over Pascoag River on Victory Highway in Burrillville
Open to traffic

Oakland Mills Bridge (Henry County, Iowa)
Built in 1876; converted to pedestrian bridge in the 1970s and became part of the state park
Pratt through truss bridge over Skunk River on Pedestrian trail (formerly county road) at Oakland Mills State Park
Open to pedestrians

Oark Bridge (Johnson County, Arkansas)
Built 1937
Bridge over Estep Creek on Arkansas 215
Open to traffic

Oatka Creek Bridge (Wyoming County, New York)
Built 1937; rehabilitated 1992
Pony truss bridge over Oatka Creek on NY 19
Open to traffic

Obion Creek KY 58 Bridge (Hickman County, Kentucky)
Built 1928
Pony truss bridge over Obion Creek on KY 58
Open to traffic

Obion River Bridge (Dyer County, Tennessee)
Built 1948; rehabilitated 1993
Through truss bridge over Obion River on TN 104
Open to traffic

Obion River Bridge (Obion County, Tennessee)
Built 1928 and operated as toll bridge until 1939
Through truss bridge over Obion River on old TN 211 at Obion
Closed to all traffic about 1990

OC&E State Trail - USRS "A" Canal Bridge (Klamath County, Oregon)
Built 1898, 1917 Relocated to Klamath Falls
Pratt through truss bridge over USRS "A" Canal on Oregon, California & Eastern Railroad Trail
Open to pedestrians

Ocean Avenue Bridge (Martin County, Florida)
Built 1957; replaced 2006
Lost bascule bridge over Indian River on FL A1A (Ocean Avenue) in Sewall's Point
Replaced by a new bridge

Ocean Avenue Bridge (Old) (Palm Beach County, Florida)
Built in 1935 replaced in 2001
Lost Deck girder bridge over Intracoastal Waterway on Ocean Avenue Route 804
Demolished and replaced with new bridge

Ocean Beaches Highway Bridge (Abandoned) (Cowlitz County, Washington)
Built 1930, Abandoned 1963
Abandoned open-spandrel arch bridge over Dry Gulch on Abandoned WA 4 Alignment
Abandoned

Ocean Highway Bridge (Chatham County, Georgia)
Built 1939
Concrete tee beam bridge over Norfolk Southern RR on Ocean Highway
Replaced by a new bridge

Ochwalkee Creek Bridge (Wheeler County, Georgia)
Built 1933
Concrete tee beam bridge over Ochwalkee Creek on US 280
Open to traffic

Ocmulgee River Bridge (Pulaski County, Georgia)
Built in 1921
Lost Pratt through truss bridge over Ocmulgee River on Route 341 Golden Isle Parkway
No longer exists

Ocoee River Bridge (Polk County, Tennessee)
Built 1946
Concrete tee beam bridge over Ocoee River on US 411
Open to traffic

Oconee River Bridge (Wheeler County, Georgia)
Built 1940
Lost through truss swing bridge over Oconee River on GA 46
Demolished and replaced with a slab of concrete.

Oconee River Bridge (Laurens County, Georgia)
Built 1923; Replaced 1952
Lost Pratt through truss swing bridge over Oconee River on Jackson Street
No longer exists

Oconee River Bridge (Montgomery County, Georgia)
Built 1914; Destroyed by flooding 1925
Lost Through truss bridge over Oconee River on Route 280
Destroyed by flooding

Oconomowoc River Bridge (Waukesha County, Wisconsin)
Built 1916
Concrete arch bridge over Oconomowoc River on WI 83
Open to traffic

Oconto River Bridge (Oconto County, Wisconsin)
Built 1938; rehabilitated 1983; replaced 2014
Lost Continuous pony truss bridge over Oconto River on WI 32
Replaced by a new bridge

Ocqueoc River Bridge (Presque Isle County, Michigan)
Built 1937; rehabilitated 1994
Deck truss bridge over Ocqueoc River on US 23
Open to traffic

Odessa Bridge (New Castle County, Delaware)
Built 1929; Replaced 1991
Deck plate girder bridge over Appoquinnimink River on Delaware State Route 299 Main Street Road
Replaced by a new bridge

Offield Creek SR 47 Bridge (Montgomery County, Indiana)
Built 1932
Lost concrete arch bridge over Offield Creek on State Road 47
Replaced by a new bridge

Ogden Street Bridge (Older) (Marinette County, Wisconsin)
Lost Pratt through truss bridge over Menominee River on Ogden Street /1 Street
Replaced by a new bridge

Ogle Creek Bridge (Alleghany County, Virginia)
Built 1932
Through truss bridge over Ogle Creek on Route 660
Abandoned with deck missing

OH 348 Bridge (Scioto County, Ohio)
Built ca. 1940
Concrete slab bridge on OH 348 over a branch of McCullough Creek
Open to traffic

OH-124 Bridge (Meigs County, Ohio)
Built 1927
Concrete curved chord through girder bridge over Strongs Run on OH-124
Open to traffic

OH-143 Bridge (Meigs County, Ohio)
Built 1924
Concrete curved chord through girder bridge over Thomas Fork on OH-143
Open to traffic

OH-424 Benien Creek Bridge (Henry County, Ohio)
Built 1850
Stone arch bridge over Benien Creek on OH 424
Open to traffic

OH-424 County Ditch 970 Bridge (Henry County, Ohio)
Stone arch bridge over County Ditch 970 on OH 424
Open to traffic

OH-550 Bridge (Washington County, Ohio)
Built 1924
Concrete curved chord through girder bridge over South Fork South Branch Wolf Creek on OH-550
Open to traffic

OH193 Ashtabula River Bridge (Ashtabula County, Ohio)
Built 1931 by C.P. Smith and D.H. Overman
Arch bridge over Ashtabula River on OH 193
Open to traffic

OH550 Drainage Stone Arch (Washington County, Ohio)
Stone arch bridge over Drainage Ditch on OH 550
Open to traffic

OH8 High Level Bridge (Summit County, Ohio)
Built 1953; rehabilitated 1987
Deck truss bridge over Little Cuyahoga River and Elizabeth Park Valley on Route 8
Open to traffic

Ohio Brush Creek OH 348 Bridge (Adams County, Ohio)
Built 1924 by the Champion Bridge Co.; rehabilitated 1996
Through truss bridge over Ohio Brush Creek on OH 348
Closed to all traffic

Ohio Canal OH 335 Bridge (Pike County, Ohio)
Built 1830-31 by the Ohio Canal Commission
Stone arch bridge over Ohio Canal on OH 335
Open to traffic

Ohio Electric Interurban Bridge (Lucas County, Ohio)
Used by Interurban until 1937. It is now part of the Farnsworth Metropark. One of the bridge's supports is the Roche de Boeuf, a historic Indian council rock, which was partially damaged by the bridge construction.
Abandoned arch bridge over Maumee River, S. River Road. Formerly Lima & Toledo Traction Company.
Abandoned. Barricaded. Partal span collapse.

Ohio River Back Channel Bridge (Pleasants County, West Virginia)
Built 1928
Through truss bridge over Ohio River Back Channel on CR 2/10 in St. Marys
Open to traffic

Ohio River Blvd. over Lowries Run Bridge (Allegheny County, Pennsylvania)
Built 1930; rehabilitated 1960; replaced 2011
Lost Pony/through plate girder bridge over Lowries Run on Ohio River Blvd.
Replaced by a new bridge

Ohio River Bridge (Wetzel County, West Virginia)
Built 1959; rehabilitated 1998
Through truss bridge over Ohio River on WV 7 in New Martinsville
Open to traffic

Ohio River Greenway - Silver Creek Bridge (Clark County, Indiana)
Deck truss bridge over Silver Creek on abandoned Pennsylvania Railroad
Open to pedestrians in future

Ohio River I-275 Bridge (Campbell County, Kentucky)
Built 1979
Pair of through truss bridges over the Ohio River on I-275
Open to traffic

Ohio Street Bridge (Cook County, Illinois)
Built 1961
Bascule bridge over North Branch Chicago River on Ohio Street in Chicago
Open to traffic

Ohman Creek Bridge (Humboldt County, California)
Built 1939
Concrete tee beam bridge over Ohman Creek on State Route 254
Open to traffic

Oil Creek Bridge (Crawford County, Pennsylvania)
Built 1941
Concrete arch bridge over Oil Creek on PA 1026 in Canadohta Lake
Open to traffic

Ojalla Bridge (Lincoln County, Oregon)
Built 1946
Parker through truss bridge over Siletz River on OR 229
Open to traffic

OK 18 Arkansas River Bridge (Pawnee County, Oklahoma)
Built 1935
K-Parker through truss bridge over Arkansas River on OK 18 in Ralston
Replaced by a new bridge

OK 3 Bridge (Atoka County, Oklahoma)
Built 1933
Through truss bridge on OK 3
Replaced by a new bridge

OK 32 Rock Creek Bridge (Love County, Oklahoma)
Built 1947 Replaced by a new bridge 2009
Lost Warren deck truss bridge over Rock Creek on S.H. 32
Replaced by new bridge

Okanogan River Bridge (Okanogan County, Washington)
Built 1924 by the Union Bridge Company
Concrete arch bridge over Okanogan River on Central Avenue (WA 155 Spur) in Omak
Open to traffic

Okeechobee Waterway Bridge (Lee County, Florida)
Deck plate girder bridge over Okeechobee Waterway on Florida Route 41
Replaced by a new bridge

Okmulgee Creek Bridge (Okmulgee County, Oklahoma)
Built 1909
Arch bridge over Okmulgee Creek on OK 56 in Okmulgee
Open to traffic

Okoboji Bridge (Dickinson County, Iowa)
Built 1929; rehabilitated 1979 and 1997; Previous structure was a pony truss bridge and before that, a series of wooden swing spans.
Canitlevered Concrete deck girder bridge over Okoboji Lake on US 71 & IA 9 in Okoboji
Open to traffic

Ola Overpass (Yell County, Arkansas)
Built 1949
Steel stringer bridge over Little Rock Western on SH 7 in Ola
Open to traffic

Old Abe Trail Bridge (Chippewa County, Wisconsin)
When the railroad deck girder spans were removed from this bridge, some of them were used downstream to repair the Union Pacific Chippewa Falls Bridge
Bridge over Lake Wissota on Old Abe Trail
Bicycle and Pedestrian trail

Old AL 5 Bridge (Marion County, Alabama)
Built 1927; Bypassed by new bridge in 1998
Open-spandrel arch bridge over Bear Creek on an old alignment of AL 5 (AL 13)
Closed to all traffic

Old Alameda Bridge (Bernalillo County, New Mexico)
Built 1955
Concrete tee beam bridge over Rio Grande on Nm-528
Open to pedestrians on a trail

Old Arkadelphia Bridge (Clark County, Arkansas)
Built 1903, by Stupp Brothers Bridge & Iron Co.; Replaced 1960
Lost two-span through truss bridge over Ouachita River at Arkadelphia carrying AR 7, AR 8, and AR 51
Replaced by the current Arkadelphia Bridge

Old Asheville Highway Bridge (Spartanburg County, South Carolina)
Built 1932
Concrete arch bridge over Pacolet River on C-42-1024
Open to traffic

Old Bay St. Louis Bridge (Hancock County, Mississippi)
Built 1928, replaced 1954 and demolished soon thereafter.
Lost Timber stringer bridge over Bay St Louis on US-90
Replaced by a new bridge

Old Bethelehem Road Bridge (Bucks County, Pennsylvania)
Built 1777. Widened & Repaired 1902 and Rebuilt 2008
Stone arch bridge over Cooks Creek on Old Bethlehem Road in Pleasant Valley, PA
Open to traffic

Old Bethlehem Pike Bridge (Montgomery County, Pennsylvania)
Built 1934
Concrete arch bridge over Willow Run on PA 2018 (Bethlehem Pike) in Spring House
Open to 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 Brownsville Bridge (Washington County, Pennsylvania)
Built 1914; rehabilitated 1987
Through truss bridge over Monongahela River in West Brownsville
Open to traffic