There are 3,971 bridges in this category · Only showing 2,645 bridges with photos
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NR-eligible

Nobles Mill Road Bridge (Harford County, Maryland)
Built ca. 1890; rehabilitated 1998
Through truss bridge over Deer Creek on Nobles Mill Road
Open to traffic

Noix Creek MO 79 Bridge (Pike County, Missouri)
Built 1935-36, replaced 2017
Lost Pony truss bridge over Noix Creek on MO 79 in Louisiana
Replaced by new bridge

Nolin Bridge (Umatilla County, Oregon)
Built 1950
Parker through truss bridge over Umatilla River on Mac Hoke Road
Open to traffic

Nooksack River Bridge (NB 539) (Whatcom County, Washington)
Built 1950
Warren truss bridge over Nooksack River on WA 539
Open to traffic

Normans Kill Bridge (Albany County, New York)
Built 1905
Arch bridge over Normans Kill on Old Delaware Trpk
Closed to all traffic

Norridgewock Bridge (Somerset County, Maine)
Built 1928, replaced in 2011
Rainbow arch bridge over Kennebec River on US 201A/ME 8 in Norridgewock
Replaced by new bridge

North Avenue Bridge (Kane County, Illinois)
Built 1926; rehabilitated 1974. Major reconstruction in 2002
Concrete bridge over Fox River on North Avenue in Aurora
Open to traffic

North Boggy Creek Bridge (Atoka County, Oklahoma)
Built 1920
Pony truss bridge over North Boggy Creek on E1660 Rd.
Open to traffic

North Bosque River Bridge (Bosque County, Texas)
Built 1884
Through truss bridge over North Bosque River on CR 3112 in Clifton
Open to traffic

North Bosque River Bridge (Erath County, Texas)
Built 1921
Pratt through truss bridge over North Bosque River on CR 270
Open to traffic

North Branch Creek Bridge (Lincoln County, Oklahoma)
Built 1913
Pony truss bridge over North Branch Creek on E0840 Rd.
Open to traffic

North Branch Lewis Creek IN 9 Bridge (Shelby County, Indiana)
Built 1944; rehabilitated 1982
Concrete arch bridge over North Branch Lewis Creek on IN 9
Open to traffic

North Broadway Viaduct (Los Angeles County, California)
Built 1909; rehabilitated 1974
Concrete arch bridge over L A Riv,Bnsf,Uprr,Metro, on North Broadway in Los Angeles
Open to traffic

North Cayuga Street Bridge (Tompkins County, New York)
Built 1934; rehabilitated 2002
Pony truss bridge over Fall Creek on North Cayuga Street in Ithaca
Open to traffic

North Forest Street Overpass (Spartanburg County, South Carolina)
Built 1913
Through truss bridge over SCL Railroad on N. Forest Street in Spartanburg
Open to traffic

North Fork Big Graham Creek CR 100S Bridge (Ripley County, Indiana)
Stone arch bridge over North Fork Big Graham Creek on CR 100 South
Open to traffic

North Fork Coal Creek Bridge (Fountain County, Indiana)
Built ca.1910 by the Attica Bridge Company
Through truss bridge over North Fork Coal Creek on CR 500 East
Open to traffic

North Fork Coal Creek CR 30E Bridge (Fountain County, Indiana)
Built ca. 1910
Warren through truss bridge over North Fork Coal Creek on CR 30 East
Intact but closed to all traffic

North Fork Feather River Bridge (Butte County, California)
Built 1932
Steel arch bridge over North Fork Feather River on CA 70
Open to traffic

North Fork Feather River Bridge (Plumas County, California)
Built 1936
Through truss bridge over North Fork Feather River on CA 70
Open to traffic

North Fork Feather River Bridge (Plumas County, California)
Built 1936
Pony truss bridge over North Fork Feather River on CA 70 in Tobin
Open to traffic

North Fork Feather River Bridge (Plumas County, California)
Built 1936
Through truss bridge over North Fork Feather River on CA 70 at Rock Creek
Open to traffic

North Fork Kentucky River Bridge (Perry County, Kentucky)
Built 1926 by the Atlantic Bridge Co.
Pony truss bridge over North Fork Kentucky River on Kenmont Road
Open to traffic

North Fork Kentucky River KY 451 Bridge (Perry County, Kentucky)
Built 1927
Through truss bridge over North Fork Kentucky River on KY 451 in Hazard
Open to traffic

North Fork Quartz Creek Bridge (Clatsop County, Oregon)
Built 1939
Steel stringer bridge over North Fork Quartz Creek on U.S. 26
Open to traffic

North Fork Red River Bridge (Jackson County, Oklahoma)
Built 1929; closed to traffic Oct. 2009
23-span pony truss bridge over North Fork Red River on E1645
Open to pedestrians

North Halsted Street Bridge (Old) (Cook County, Illinois)
Built 1909
Bascule bridge over North Branch Chicago River Canal on N. Halsted Street in Chicago
Demolished and replaced

North Lake Street Bridge (Lake County, Indiana)
Built ca. 1920
Concrete arch bridge over Grand Calumet River on North Lake Street in Gary
Open to traffic

North Main Street Bridge (Los Angeles County, California)
Built 1910
Concrete arch bridge over Los Angeles River on N Main Street in Los Angeles
Open to traffic

North Poes Road Bridge (Rappahannock County, Virginia)
Built 1935
Pony truss bridge over Jordan River on North Poes Road (Rt 637)
Open to traffic

North Pole Covered Bridge 35-08-23 (Brown County, Ohio)
Built 1875; rehabilitated 1965; damaged by flooding in 1997
Covered bridge over Eagle Creek on North Pole Road (CR 13)
Open to traffic

North Presa Street Bridge (Bexar County, Texas)
Built 1925 by the McKenzie Construction Co. and the Houston Structural Steel Co.; reduced to two lane traffic in the 1980's
Pony truss bridge over San Antonio River on N. Presa Street in San Antonio
Open to traffic

North Road Bridge (Oxford County, Maine)
Built 1921; rehabilitated 1991
Through truss bridge over Androscoggin River on North Road in Gilead
Open to traffic

North Santiam River Bridge (Linn County, Oregon)
Built 1934; rehabilitated 1960
Parker through truss bridge over Santiam River on OR 22 Connector in Mill City
Open to traffic

North Spring Street Bridge (Los Angeles County, California)
Built 1928; Rehabilitated 1939; Seismic upgrade 1992
Concrete arch bridge over Los Angeles River on North Spring Street in Los Angeles
Open to traffic

North St Vrain Creek Bridge (Boulder County, Colorado)
Built 1955
Concrete rigid frame bridge over North St Vrain Creek on CO-7
Open to traffic

North St. Mary's Street Bridge (S) (Bexar County, Texas)
Built 1925
Concrete tee beam bridge over San Antonio River on N Saint Marys Street
Open to traffic

North Sylamore Creek (Barkshed) (Stone County, Arkansas)
Former M & NA Railroad Bridge
Through truss bridge over North Sylamore Creek on Footbridge, formerly a Railroad Bridge
Decent shape, though the deck could use a little repair

North Torrey Pines Bridge (San Diego County, California)
Built 1933; major restoration in 2012
Concrete tee beam bridge over Mtdb, Bnsf Ry, & Amtrak on N Torrey Pines Road
Open to traffic; major renovation in 2012

North Tryon Street Railroad Underpass (Mecklenburg County, North Carolina)
Costing $150,000 to complete, this was officially dedicated on October 4, 1939.
Slab bridge over U.S. Route 29, and North Carolina Route 49 (North Tryon Street) on Norfolk Southern railroad
Open to traffic

North Wea Creek Victory Road Bridge (Miami County, Kansas)
Built 1905
Lost Parker through truss bridge over North Wea Creek on Victory Road
Removed but not replaced

Northern Avenue Bridge (Suffolk County, Massachusetts)
Built 1908, rehabilitated 1979, closed to vehicles 1997, closed to pedestrians 2014
Pratt through truss bridge over Fort Point Channel on Northern Avenue
Intact but closed to all traffic

Norwood Avenue Bridge (Marin County, California)
Built 1908
Concrete arch bridge over Ross Creek on Norwood Avenue in Ross
Open to traffic

NS - Blossom Street Overpas (Richland County, South Carolina)
Built 1939
Bridge over Blossom St on Norfolk Southern Railway in Columbia
Open to traffic

NS - Bridge Street South Overpass (Martinsville, Virginia)
Built 1927
Slab bridge over Bridge Street South on Norfolk Southern Railroad
Open to traffic

NS - Morgan Road Overpass (Mercer County, West Virginia)
Built 1912
Deck plate girder bridge over Morgan Road/Pigeon Creek on Railroad (NS)
Replaced by a new bridge

NS - Rocky River Bridge (Cuyahoga County, Ohio)
Built 1909
Open-spandrel arch bridge over Rocky River on Norfolk Southern Railway
Open to traffic

NS New River Bridge (Scott County, Tennessee)
Built 1963 to bypass Robbins Tunnel (T15) and several fault lines on old railroad
Warren deck truss bridge over New River on Cincinnati Southern (Norfolk-Southern) Railroad
Open to traffic

NWP - Healdsburg Bridge (Sonoma County, California)
Built 1921 to replace earlier timber bridge
Subdivided Warren through truss bridge over Russian River on Northwestern Pacific Railroad
Closed

NY28A Ashokan Spillway Bridge (Ulster County, New York)
Built 1912; rehabilitated 1975
Open-spandrel arch bridge over Ashokan Spillway on NY 28A
Open to traffic

NY299 Wallkill River Bridge (Ulster County, New York)
Built 1940; rehabilitated 1990
Through truss bridge over Wallkill River on NY 299 in New Paltz
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

NYC - Hojack Swing Bridge (Monroe County, New York)
Built 1905
Lost Warren through swing bridge over Genesee River
Removed but not replaced

O'Connor Bridge (Carroll County, Indiana)
Built 1901
Stone arch bridge over Old Erie Canal on Washington Street in Delphi
Open to traffic

O'Donnell Lane Bridge (Sonoma County, California)
Built 1900, reconditioned unknown later date
Stone arch bridge over Calabazas Creek on O'Donnell Lane in Glen Ellen
Open to traffic

O'Neal Bridge (Independence County, Arkansas)
Built ca. 1933, possibly by the Works Progress Administration
Small five-span closed-spandrel arch bridge over O'Neal Creek on O'Neal Road (CR 37)
Open to traffic

O'Neal Bridge (Boone County, Indiana)
Built ca. 1892; restored 2008-09
Pratt through truss over Big Eagle Creek on Holliday Drive off of US 421, north of Zionsville
Restored and open to traffic

Oak Street Bridge (Du Page County, Illinois)
Built ca. 1910
Girder bridge over the BNSF Railroad on Oak Street in Hinsdale
Demolished and replaced by new bridge

Oakalla Covered Bridge 14-67-10 (Putnam County, Indiana)
Built 1898
Covered bridge over Big Walnut Creek on CR 375W
Open to traffic

Oakland Bridge (Douglas County, Oregon)
Built 1925
Deck truss bridge over Calapooya Creek on Shady Highway in Oakland
Open to traffic

Ocean Highway Grassy Sound Bridge (Cape May County, New Jersey)
Built 1939
Bascule bridge over Grassy Sound on Ocean Highway (CR 619)
Open to traffic

Ocean Highway Middle Thorofare Bridge (Cape May County, New Jersey)
Built 1939
Bascule bridge over Middle Thorofare on Ocean Highway (CR 621)
Open to traffic

Oceanic Bridge (Monmouth County, New Jersey)
Built 1939; rehabilitated 1970
Bascule bridge over Navesink River on CR 8A in Rumson
Open to traffic

Ogden Avenue Bridge (Hudson County, New Jersey)
Built 1905
Concrete arch bridge over Holland Avenue (Abandoned) on Ogden Avenue in Jersey City
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 Garrett Creek Bridge (Henry County, Ohio)
Built 1900
Stone arch bridge over Garrett Creek on OH 424 in Napoleon
Open to traffic

OH-424 Oberhaus Creek Bridge (Henry County, Ohio)
Built ca. 1842
Stone arch bridge with pony truss addition over Oberhaus Creek on OH 424 in Napoleon
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 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. Bridge (Allegheny County, Pennsylvania)
Built 1930
Concrete rigid frame bridge over Forest Avenue on Ohio River Blvd. in Ben Avon
Open to traffic

Ohio Street Bridge (Will County, Illinois)
Built 1912
Arch bridge over Spring Creek on Ohio Street, .125 mi. north of Jackson St
Open to traffic

Ohl Street Bridge (Mercer County, Pennsylvania)
Built 1909 by Canton Bridge Co.; rehabilitated 1980
Through truss bridge over Shenango River on Ohl Street in Greenville
Closed to all traffic; awaiting replacement

Oil Creek Bridge (Venango County, Pennsylvania)
Built 1888 by Massillon Bridge Co.
Through truss bridge over Oil Creek on TR 635 (Miller Farm Road)
Open to traffic

Oil Creek CR 119 Bridge (Perry County, Indiana)
Built 1948
Pony truss bridge over Oil Creek on CR 119
Open to traffic

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

Okabena Creek Bridge (Jackson County, Minnesota)
Built 1905; relocated to this spot and rehabilitated 1938; closed to traffic in 1990
Pony truss bridge over Okabena Creek on CR 187
Closed to all traffic

Okabena Creek Bridge (Jackson County, Minnesota)
Built 1917
Concrete pony/through girder bridge over Okabena Creek on 340th Ave., 0.3 miles N of CSAH 18
Open to traffic but plans are in the making to replace this structure before 2017

Old Airport Bridge (Williamson County, Texas)
Built 1922; Bypassed by new bridge in 1987
Through truss bridge over Berry Creek on CR 190 (Airport Rd) in Georgetown
Closed to all 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 Austin Highway Bridge (Gillespie County, Texas)
Built 1922 by the El Paso Bridge & Iron Co.
Pony truss bridge over Three Mile Creek on Old Austin Highway in Stonewall
Open to traffic

Old Bridge Street Bridge (Hillsborough County, New Hampshire)
Built 1920; rehabilitated 1998
Stone arch bridge over Beaver Brook on Old Bridge Street in Pelham
Open to traffic

Old Cane River Lake Bridge (Natchitoches Parish, Louisiana)
Built 1912; replaced 1980
Pratt through truss bridge over Cane River Lake on former LA 119
Intact but closed to all traffic

Old Cascade Highway Bridge (King County, Washington)
Built 1922
Pratt through truss bridge over Miller River on Old Cascade Highway
Closed due to flood damage

Old Central Holston Bridge (Sullivan County, Tennessee)
Built 1903 by the Cope Bridge Company; Closed in 1983
Abandoned Camelback and Pratt through truss bridge over South Fork Holston River
Abandoned

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 Dixie Highway Bridge (Gordon County, Georgia)
Built 1928, abandoned sometime after 2000 when road was rerouted at the intersection with US 41
Abandoned concrete tee beam bridge over Oothcaloga Creek Trib. on Old Dixie Highway
Abandoned

Old Dixie Highway Oothcaloga Creek Tributary Bridge (Bartow County, Georgia)
Built 1929
Concrete tee beam bridge over Oothcaloga Creek Trib. on Old Dixie Highway
Open to traffic

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

Old Forge Bridge (York County, Pennsylvania)
Built 1887; rehabilitated ca. 1975
Through truss bridge over Yellow Breeches Creek on TR 968 (Sheepford Road)
Open to traffic

Old Forge Bridge (Essex County, New York)
Built 1901 by Canton Bridge Co; Closed c.1990
Pin connected Pratt pony truss bridge over Boquet River on Old Forge Road
Intact but closed to all traffic

Old Forge Road Bridge (Washington County, Maryland)
Built 1863; rehabilitated 1981
Stone arch bridge over Antietam Creek on Old Forge Road
Open to traffic

Old Grassy Creek Bridge (Grimes County, Texas)
Built in 1934 by the Texas Highway Dept. in conjunction with the U.S. Bureau of Public Roads
Stringer bridge over Grassy Creek on Former SH 105
Intact but closed to all traffic

Old Gravel Pike Bridge near Zieglerville, PA (Closed) (Montgomery County, Pennsylvania)
Built 1915
Stone arch bridge over Swamp Creek on Old Gravel Pike in Lower Frederick Twp near Zieglerville, PA
Closed to all traffic

Old Highway 66 Bridge (Warrick County, Indiana)
Built 1941, Rehabilitated in 2013-14
Two span Parker through truss bridge over Little Pigeon Creek on Old Highway 66
Open to traffic

Old Highway 84 Overpass (Thomas County, Georgia)
Built 1923
Concrete tee beam bridge over CSX Railroad on Old US 84
Open to traffic

Old Hwy 58 Salinas River Bridge (San Luis Obispo County, California)
Built 1914
Parker through truss bridge over Salinas River on Old Highway 58
Open to bicycles and pedestrians only

Old IL 127 Beaver Creek Bridge (Bond County, Illinois)
Built 1932, bypassed by an modern bridge in 1966.
Abandoned bridge over Beaver Creek on Former State Route 127 in Greenville
Abandoned

Old IL78 Indian Creek Bridge (Morgan County, Illinois)
Built 1929, IL78 bypassed with new bridge in 2005
Concrete slab bridge over Indian Creek on abandoned alignment IL 78, 0.2 mi. south of Cass Co Line
Open to traffic

Old Keokuk-Hamilton Bridge (Lee County, Iowa)
Built in 1917, Roadway deck Service Discontinued 1985
Through truss bridge over Mississippi River on Keokuk Junction Railway
Open to rail traffic only. The upper deck on the Iowa side has been converted to an observation deck; the upper deck on the Illinois side is closed to traffic. Roadway traffic has been shifted to the 1985 beam span to the southwest of the bridge

Old Knox Station Bridge (Knox County, Illinois)
Built 1928
Concrete girder bridge over Court Creek on Knox Cty 825E, 1 mi. east of Galesburg
Open to traffic