There are 10,828 bridges in this category · Only showing 5,446 bridges with photos
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Owned by state

Northeast Cape Fear River Bridge (New Hanover County, North Carolina)
Built 1951
Steel stringer bridge over Northeast Cape Fear River on US 117 & NC 133
Open to traffic

Northport Bridge (Stevens County, Washington)
Built 1949
Cantilevered Warren through truss bridge over Columbia River on WA 25 in Northport
Open to traffic

Northwest Branch Bridge (Montgomery County, Maryland)
Built 1920; rehabilitated 1961
Concrete arch bridge over Northwest Branch on US 29 in White Oak
Open to traffic

Norwalk River Bridge (Fairfield County, Connecticut)
Built 1972
Bascule bridge over Norwalk River on CT 136 in Norwalk
Open to traffic

Norwood Creek Bridge (McCurtain County, Oklahoma)
Built 1948; replaced 2005
Lost through truss bridge over Norwood Creek on OK 87
No longer exists

Norwottuck Rail Trail - Connecticut River Bridge (Hampshire County, Massachusetts)
Built 1887; retrofitted for pedestrian use in 1992
Lattice through truss bridge over Connecticut River on Norottuck Rail Trail
Open to pedestrians and bicyclists

Noser Mill Bridge (Franklin County, Missouri)
Built 1902 by the Midland Bridge Co. on the abutments of a previous covered bridge
Lost through truss bridge over Bourbeuse River on MO 185
Removed

Novato Creek Bridge (Marin County, California)
Lost Bridge over Novato Creek on Highway 37
No longer exists

Nowlin Creek Bridge (Pulaski County, Arkansas)
Built 1948
Steel stringer bridge over Nowlin Creek on Sh 10 Log 14.11
Open to traffic

Noyo River Bridge (Mendocino County, California)
Built 1948
Deck truss bridge over Noyo River on CA 1 in Fort Bragg, replaced 2005
Demolished, replaced by new bridge 2005

Noyo River Bridge (2005) (Mendocino County, California)
Previous Noyo River Bridge Replaced 2005
Concrete stringer bridge over Noyo River & Harbor Dr on State Route 001 in Fort Bragg
Replaces previous Noyo River Bridge, 1948

NP - South Fork Willapa River Bridge (Pacific County, Washington)
Through truss bridge over South Fork Willapa River on former Northern Pacific Railroad in Raymond
Derelict/abandoned

NP - Willapa River Bridge #1 (Pacific County, Washington)
Built 1897
Through truss bridge over Willapa River on Abandoned Northern Pacific Railroad in Lebam
Open to pedestrians

NP - Willapa River Bridge #2 (Pacific County, Washington)
Built 1896
Pratt through truss bridge over Willapa River on Abandoned Northern Pacific Railroad
Open to pedestrians

NRT - Fries Junction Trestle (Carroll County, Virginia)
Pony/through plate girder bridge over New River on New River Trail State Park
Open to pedestrians only

NRT - Hiwassee Trestle (Pulaski County, Virginia)
Built 1931
Long through truss bridge over Claytor Lake on Rail Trail
Open to pedestrians only

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 - Schuylkill River Bridge (Berks County, Pennsylvania)
Closed spnadrel arch bridge over Schuylkill River 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

Nueces River Bridge (Uvalde County, Texas)
Built 1933; rehabilitated 1935
Through truss bridge over Nueces River on Eastbound US 90B
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 35 Bridge (Westchester County, New York)
Built 1910
Concrete arch bridge on NY 35
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
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

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
K-Parker through truss bridge over Red River on US 71
Doomed

Oak Creek Bridge (Talbot County, Maryland)
Lost Deck plate girder bridge over Oak Creek on Maryland Route 33 St Michaels Road
No longer exists

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

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

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

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

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 TN 211 at Obion
Closed to all traffic about 1990

OC&E State Trail A Canal Bridge (Klamath County, Oregon)
Built 1898, 1917 Relocated to Klamath Falls
Pratt through truss bridge over 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 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
Open to traffic

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

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 Through truss bridge over Oconee River on Roadway
No longer exists

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
Continous pony truss bridge over Oconto River on WI 32
Open to traffic

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

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-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.

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 River I-77 Bridge (Washington County, Ohio)
Built 1965
Through truss bridge over the Ohio River on I-77 near Marietta
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 (Venango County, Pennsylvania)
Built 1939; rehabilitated 1985
Steel through arch bridge over Oil Creek on PA 6008 (Center Street) in Oil City
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
Open to traffic

OK 3 Bridge (Atoka County, Oklahoma)
Built 1933
Through truss bridge on OK 3
Open to traffic

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

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.
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 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 Appleton US 61 Bridge (Cape Girardeau County, Missouri)
Built 1931; Replaced 2011
Pony truss bridge over Apple Creek on US 61 at Old Appleton
Replaced by a new bridge

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)
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

Old Caesar Creek Gorge Bridge (Warren County, Ohio)
Built 1921
Pratt pony truss bridge over outlet for Caesar Creek Lake on Gorge Trail Loop/ Caesar Creek Gorge Access Road
Open to pedestrians only

Old Chatham Hill Road Bridge (Smyth County, Virginia)
Built 1932
Steel stringer bridge over N Fork Holston River on Old Chatham Hill Road
Open to traffic

Old Clay's Ferry Bridge (Fayette County, Kentucky)
Built 1871; rehabilitated 1955
Two-span through truss bridge over Kentucky River on KY 2328 (Old US 25) in Lexington
Open to traffic

Old Cleves Bridge (Hamilton County, Ohio)
Built 1914 by the Penn Bridge Co.; parallel bridge built 1959-60; closed to traffic Feb. 1988; replaced 1990
Lost four-span through truss bridge over the Great Miami River on eastbound US 50 at Cleves
Replaced by modern bridge

Old Clifton Mills Road Bridge (Preston County, West Virginia)
Built 1884 by the Wrought Iron Bridge Co.
Through truss bridge over Big Sandy Creek on CR 8/4
Open to traffic

Old Creamery Trail - Hinkle Creek Bridge (Benton County, Iowa)
Deck plate girder bridge over Hinkle Creek on Trail
Open to pedestrians

Old Creamery Trail Stone Culvert (Benton County, Iowa)
Built 1894
Stone culvert bridge over Small Stream on Old Creamery Trail
Open to pedestrians only

Old Dam Road Bridge (Vermilion County, Illinois)
Built 1917, bypassed in 1992
Abandoned concrete arch bridge over Little Vermilion River on Old Dam Road (Old IL 1) south of Georgetown
Abandoned, but intact

Old Dublin Pike Bridge (Bucks County, Pennsylvania)
Built 1875; rehabilitated 1947
Three-span stone arch bridge over Pine Run on Old Dublin Pike Doylestown, PA
Open to traffic

Old Elkahatchee Creek Bridge (Tallapoosa County, Alabama)
Built 1931; bypassed by new bridge in 2000
Concrete arch bridge over Elkahatchee Creek on AL 63
Closed to traffic

Old Elkton Bridge (Giles County, Tennessee)
Built 1924 by the Montgomery and Parker Co.; bypassed by new bridge in 1959
Through truss bridge over Elk River on former US 31/TN 7 at Elkton
Open to pedestrians only

Old Emory River Bridge (Roane County, Tennessee)
Built 1916, replaced 1990
Lost Closed-spandrel arch bridge over Emory River on US 27
Replaced by new bridge

Old Feather River Bridge (Sutter County, California)
Replaced 1958
Lost Through truss bridge over Feather River on State Route 99
Replaced by new bridge

Old Fort Bayou Bridge (Jackson County, Mississippi)
Deck girder bridge over Old Fort Bayou on US 90 Biloxi Bay
Open to traffic

Old Fort Bayou Bridge (Old) (Jackson County, Mississippi)
Lost Through truss bridge over Old Fort Bayou
No longer exists

Old Hickory Bridges (Davidson County, Tennessee)
First bridge built 1928; second bridge built 1967
Pair of through truss bridges over Cumberland River on TN 45 in Nashville
Open to traffic