There are 15,851 bridges in this category · Only showing 6,962 bridges with photos
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Structurally deficient

From: 2015 "Status of the Nation’s Highways, Bridges, and Transit: Conditions and Performance" report to Congress

Bridges are considered “structurally deficient” if (1) significant load-carrying elements are found to be in poor or worse-than-poor condition due to deterioration or damage, or (2) the adequacy of the waterway opening the bridge provides is determined to be insufficient to the point of causing intolerable traffic interruptions due to high water. That a bridge is structurally deficient does not mean it is unsafe.


Nahma Bridge (Delta County, Michigan)
Built 1917 by the Joliet Bridge & Iron Co.; closed to traffic in 1995; relocated Summer 2006
Pony truss bridge formerly over Sturgeon River on CR 497
Relocated to a golf course

Nantahala River Bridge (Swain County, North Carolina)
Built 1930; rehabilitated 1960
Pratt pony truss bridge over Nantahala River on NC 1100
Open to traffic

Nantahala River Bridge (Swain County, North Carolina)
Built 1930; rehabilitated 1960
Pratt pony truss bridge over Nantahala River on NC 1100
Open to traffic

Napa Creek Bridge (Napa County, California)
Built 1920; replaced 2006
Lost stone arch bridge over Napa Creek on First Street in Napa
Replaced by new bridge 2006

Napa River Bridge (Napa County, California)
Built 1949; rehabilitated 1977, replaced 2005
Vertical lift bridge over Napa River on CA 121 in Napa
Replaced by new "Maxwell Bridge", 2005

Napoleon Road Bridge (Allen County, Ohio)
Built 1928
Concrete curved chord through girder bridge over Little Hog Creek on Napoleon Road
Open to traffic

Narrow Bay Bridge (Suffolk County, New York)
Built 1959
Bascule bridge over Narrow Bay on Floyd Parkway Extension in Shirley
Open to traffic

Narrowsburg Bridge (Wayne County, Pennsylvania)
Built 1954
Steel arch bridge over Delaware River on PA 652/NY 52
Open to traffic

Nashua Road Bridge (Lawrence County, Pennsylvania)
Built 1981; replaced 2010
Lost Deck girder bridge over Shenango River on Nashua Road
Replaced by a new bridge

Nashville Creek Bridge (Washington County, Illinois)
Built 1930
Lost Pony truss bridge over Nashville Creek on Pelican Road (TR 144B)
demolished, but remants exist on site

Nathanson Creek Bridge (Sonoma County, California)
Built 1910; rehabilitated 1990
Wooden bridge over Nathanson Creek on Chase Street in Sonoma
Open to traffic

Natick Bridge (Kent County, Rhode Island)
Built 1910, replaced 2013
Concrete arch bridge over Pawtuxet River on East Avenue in West Warwick
Replaced by a new bridge

National Road Bridge over Branch of Buffalo Creek (Washington County, Pennsylvania)
Built 1929; replaced 2009
Lost Concrete tee beam bridge over Branch of Buffalo Creek on US 40 (National Road)
Replaced by a new bridge

Natural Pier Bridge (Mineral County, Montana)
Built 1916; rehabilitated 1999
Through truss bridge over Clark Fork on CR 089
Open to traffic

Neal Lane Covered Bridge 37-10-07 (Douglas County, Oregon)
Built 1939
Covered bridge over South Myrtle Creek on CR 124 in Myrtle Creek
Open to traffic

Neches River Relief Bridge (Houston County, Texas)
Built 1910
Pony truss bridge over Neches River Relief on CR 1155
Open to traffic

Nectar Covered Bridge 01-05-04x (Blount County, Alabama)
Built 1932; Destroyed by arson 1993
Lost covered bridge over Locust Fork River on Covered Bridge Road
Destroyed by fire

Neff Bridge (Huntingdon County, Pennsylvania)
Built 1889; rehabilitated 1974
Through truss bridge over Frankstown Branch Juniata River on PA 4005
Open to traffic

Nelson Street Viaduct (Lexington, Virginia)
Built 1938
Deck plate girder bridge over Varner Lane on US 60 (E. Nelson Street) in Lexington
Open to traffic

Nemadji River Bridge (Douglas County, Wisconsin)
Built 1948; rehabilitated 1987; replaced 2003
Lost Polygonal Warren through truss bridge over Nemadji River on Sth 35
Replaced by new bridge

Neosho River Bridge (Morris County, Kansas)
Built ca. 1930
Lost Pratt Pony truss bridge over Neosho River on 1800 Road
Replaced by a new bridge

Neosho River Bridge (Neosho County, Kansas)
Built 1928
Through truss bridge over Neosho River, 1.2 mi. south and 0.4 mi. west of Erie
Open to traffic

Neosho River Bridge (Neosho County, Kansas)
Built pre-1900
Through truss bridge over Neosho River on 42.5-17.6 Local, 1.0 mi. east and 2.6 mi. south of St. Paul
Open to traffic

Neosho River Bridge (Lyon County, Kansas)
Built ca. 1930; replaced 2001
Lost through truss bridge over Neosho River, 4.0 mi. east of Emporia on Road 170
No longer exists

Neosho River-130th/135th Rd. Bridge (Neosho County, Kansas)
Built 1908 by A.M. Blodgett
Through truss bridge over Neosho River, 2.4 mi. west of Erie
Abandoned with deck removed

Nequasset Brook Bridge (Sagadahoc County, Maine)
Built 1945
Steel stringer bridge over Nequasset Brook on Nequasset Road
Open to traffic

Nescopeck Creek Bridge (Luzerne County, Pennsylvania)
Built 1936; rehabilitated 1986
Pony truss bridge over Nescopeck Creek on PA 93
Open to traffic

Nescopeck Creek Bridge (Luzerne County, Pennsylvania)
Built 1927
Through truss bridge over Nescopeck Creek on TR 340
Closed to all traffic

Nescopeck Creek Bridge (Luzerne County, Pennsylvania)
Built 1907-11 by Penn Bridge Co.; rehabilitated ca. 1925
Pony truss bridge over Nescopeck Creek on TR 388
Demolished and replaced.

Nescopeck Creek Bridge (Luzerne County, Pennsylvania)
Built 1905; rehabilitated ca. 1960
Through truss bridge over Nescopeck Creek on PA 3014
Open to traffic with 6 ton weight limit

Neshannock Fall Road Bridge (Lawrence County, Pennsylvania)
Built 1913
Concrete arch bridge over a branch Neshannock Creek on Neshannock Fall Road
Open to traffic

Neshannock Falls Road Bridge (Lawrence County, Pennsylvania)
Built 1914; rehabilitated ca. 1990
Concrete arch bridge over Hottenbaugh Run on PA 956 (Neshannock Falls Road)
Open to traffic

Neshobe River Bridge (Rutland County, Vermont)
Built 1867 as a 2 span stone bridge, Covered in concrete and modified into a culvert in 1921
Dual stone culvert over Neshobe River on US 7 in Brandon
Open to traffic

Neu Creek-Ford Rd. Bridge (Posey County, Indiana)
Built ca. 1915; replaced 1992
Lost pony truss bridge over Neu Creek on Ford Road(CR 900E)
Replaced by new bridge

Neversink River Bridge (Orange County, New York)
Built 1928; rehabilitated 1975
Through truss bridge over Neversink River on US 209
Open to traffic

Nevius Street Bridge (Somerset County, New Jersey)
Built 1886 by the Wrought Iron Bridge Co.; rehabilitated 1938
Whipple through truss bridge over Raritan River on Nevius Street in Raritan
Open to pedestrians

New Bridge Road Bridge (Cecil County, Maryland)
Built 1884
Through truss bridge over Octoraro Creek on New Bridge Road
Open to traffic

New Canal Bridge (Madison County, Illinois)
Built ca. 1963
Pair of cantilevered through truss bridges over Chain of Rocks Canal on I-270 in Granite City
Replaced by a new bridge

New Chain of Rocks Bridge (Madison County, Illinois)
Built 1966
Bridge over Mississippi River on I 270
Open to traffic

New Creek Bridge (Tehama County, California)
Built 1935
Steel stringer bridge over New Creek on Cone Grove Road
Unknown status

New Discovery Road Concrete Bowstring (Parke County, Indiana)
Concrete girder bridge over Williams Creek on New Discovery Road
Open to traffic

New Fording Bridge (Huntingdon County, Pennsylvania)
Built 1889; rehabilitated 1978
Pony truss bridge over Great Trough Creek on TR 368 (New Fording Road)
Open to traffic

New Franklin Viaduct (Howard County, Missouri)
Built 1939-40; demolished 2010
Lost massive concrete deck girder bridge over Katy Trail and city streets on MO 5 in New Franklin
Demolished. Separation of grade eliminated.

New Graham Road Bridge (Ashtabula County, Ohio)
Built 1945
Pony truss bridge over East Branch Ashtabula River on Graham Road (TR 343)
Open to traffic

New Home Road Bridge (Bates County, Missouri)
Built 1907-08 by the Kansas City Bridge Co.
Through truss bridge over a drainage ditch on New Home Road (7081 Road)
Closed to all traffic

New Meadow River Bridge (Sagadahoc County, Maine)
Built 1918; rehabilitated 1974
Girder bridge over New Meadow River on Old Brunswick Road
Open to traffic

New River Bridge (Grayson County, Virginia)
Built 1927; demolished 2011
Five-span Polygonal Warren through truss bridge over New River on VA 94
Replaced by a new bridge

New Sharon Bridge (Franklin County, Maine)
Built 1916 by the Groton Bridge Co., Demolished on February 27, 2014.
Through truss bridge over Sandy River on Town Way in New Sharon
Demolished on February 27, 2014.

New Shoreham Bridge (Washington County, Rhode Island)
Built 1917; Replaced 1997
Lost Concrete tee beam bridge over Harbor Pond on Beach Avenue
Replaced by a new bridge

New Somerset Road Bridge (Jefferson County, Ohio)
Built 1935
Two-span stone arch bridge over Town Fork on CR 53
Open to traffic

New Swamp Road Bridge (Washington County, New York)
Built 1911 by American Bridge Co.
Parker through truss bridge over Champlain Canal on New Swamp Road
Open to traffic

Newbern Bridge (Bartholomew County, Indiana)
Built ca. 1910; rehabilitated 1982
Through truss bridge over Clifty Creek on CR 850 East
Moved to Peoples Park in Columbus

Newburn Street Bridge (Harrison County, Missouri)
Built 1901
Timber stringer bridge over Abandoned Railroad on Newburn Street
Open to pedestrians only (?)

Newell Toll Bridge (Hancock County, West Virginia)
Built 1905; rehabilitated 1954
Private suspension bridge over the Ohio River on Golding Street Extension between Newell and East Liverpool.
Open to toll traffic

Newkirk Bridge (Cherokee County, Oklahoma)
Built 1949; Replaced 2016
Through truss bridge over Neosho River on OK 51
Replaced by a new bridge

Newlan Bridge (Moultrie County, Illinois)
Built 1899; replaced 2001
Lost through truss bridge over West Okaw River on TR 33
Replaced by a new bridge

Newman Lateral CR 1200S Bridge (Gibson County, Indiana)
Built 1927
Lost pony truss bridge over Newman Lateral on Newman Road
Replaced by a new bridge

Newman Street Hogan Creek Bridge (Duval County, Florida)
Built 1929
Slab bridge over Hogan Creek on Newman Street
Open to traffic

Newport Bridge (Jackson County, Arkansas)
Built 1930
Cantilevered through truss bridge on AR 367 (formerly US 67) over White River at Newport
Open to two-lane traffic

Newport Road Bridge (Hunterdon County, New Jersey)
Built 1900
Stone arch bridge over Spruce Run on Newport Road
Open to traffic

Newville Road Overpass (Lancaster County, Pennsylvania)
Built 1900; rehabilitated 1960
Lost pony truss bridge over Amtrak on Newville Road
Replaced by a new bridge

Nezinscot River Bridge (Androscoggin County, Maine)
Built 1941
Steel stringer bridge over Nezinscot River on N. Parish Rd, Turner Maine
Open to traffic

NH - Berkshire Division Merritt Parkway Bridge (Fairfield County, Connecticut)
Built 1935, line abandoned 1940.
Abandoned pony/through plate girder bridge over Merritt Parkway on NYNH&H Berkshire Division (abandoned)
Derelict/abandoned

Niangua River MO 64 Bridge (Dallas County, Missouri)
Built 1931
Two-span open-spandrel arch bridge over Niangua River on MO 64 near Bennett Springs
Open to traffic

Niangua River Route K Bridge (Dallas County, Missouri)
Built ca. 1910; relocated here 1936; replaced 2011
Lost through truss bridge over Niangua River on Route K
Replaced by a new bridge

Nichols Avenue Bridge (Delaware County, Indiana)
Built ca. 1930; rehabilitated 1976; replaced 1996
Lost concrete arch bridge over White River on Nichols Avenue in Muncie
Replaced by new bridge

Nichols Ford Bridge (St. Clair County, Missouri)
Built 1922 by the Pioneer Construction Co.
Lost through truss bridge over Sac River on SW 1050th Road, beyond the end of Route W
Replaced by new bridge

Nichols Street Bridge (Callaway County, Missouri)
Built ca. 1940
Wooden bridge over the Kansas City Southern Railway on Nichols Street at the William Woods University campus in Fulton
Open to two-lane traffic

Ninabuck Road Bridge (Dodge County, Wisconsin)
Built ca. 1907; Replaced 1996 Reused in 2006 at Astico County Park
Lost Pratt through truss bridge over Crawfish River on Ninabuck Road in Town of Elba
Replaced by new bridge and reused in Astico County Park

Nine Mile Creek Bridge (Adair County, Iowa)
Built 1948
Pony truss bridge over Nine Mile Creek on Delta Avenue
Replaced by a new bridge

Nine Span Bridge (Lake County, Indiana)
Built 1935, rehabilitated in 1984, to be demolished 2013
Lost through truss bridge over Gibson Rail Yard on Indianapolis Blvd. in Hammond
Demolished and replaced.

Ninth Street Seven Arch Stone Bridge (Will County, Illinois)
Built 1868; closed 1971; damaged by flooding in March 2011 and removed
Lost stone arch bridge over Deep Run Creek on Old 9th Street in Lockport
Removed after partial collapse due to flood.

Nishnabotna River Bridge (Audubon County, Iowa)
Built 1958
Through truss bridge over Nishnabotna River on 250 St
Open to traffic

Nishnabotna River Bridge (Crawford County, Iowa)
Built 1945
Bowstring pony truss bridge over Nishnabotna Creek on 300th Street near Manilla
Open to traffic

NJ147 Grassy Sound Channel Bridge (Old) (Cape May County, New Jersey)
Built 1922; Counterweight collapsed into the river 1971; Replaced 1994
Lost Deck plate girder bridge over Grassy Sound Channel on NJ 147 (North Wildwood Boulevard)
Replaced by a new bridge

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

Nodaway River Bridge (Adair County, Iowa)
Built 1946; rehabilitated 1993; Abandoned 2009
Through truss bridge over Nodaway River on Brown Avenue
Abandoned

Nodaway River CR 462 Bridge (Andrew County, Missouri)
Built 1923
Pony truss bridge over Old Channel Nodaway River on CR 462
Open to traffic

Nodaway River MO 46 Bridge (Nodaway County, Missouri)
Built 1933
Through truss bridge over Nodaway River on MO 46
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

Norfolk Creek Bridge (Allamakee County, Iowa)
Built 1922
Pony truss bridge over Norfolk Creek on Yellow River Drive
Open to traffic

Norfolk Southern Railway 16th Street Bridge (Forsyth County, North Carolina)
Built 1923
1923 Slab bridge over NSRR on 16th St
Open to traffic

Norfolk Southern Railway 9th Street Bridge (Forsyth County, North Carolina)
Built 1936
1936 Concrete tee beam bridge carries 9th St over NSRR
Open to traffic Posted for load

Norfork Bridge (Baxter County, Arkansas)
Construction started Aug. 21, 1936, by the Vincennes Steel Company; dedicated June 17, 1937; Demolished September 2014
Lost four-span deck truss bridge over North Fork White River on AR 5 at Norfork
Replaced by a new bridge

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

Norristown Farm Park Bridge (Montgomery County, Pennsylvania)
Built 1905
Wooden bridge over SEPTA Stony Creek Branch at dead end of Stanbridge Street in Norristown
Closed to all traffic

Norristown Farm Park Bridge (Montgomery County, Pennsylvania)
Built 1915
Arch bridge over Stoney Creek on Upper Farm Road in East Norriton Township, PA
Open to pedistrians with chain link fencing on both sides of the bridge

North 17th Street-East Fork Whitewater River Bridge (Wayne County, Indiana)
Built ca. 1913-1914
Concrete arch bridge over East Fork Whitewater River on North 17th Street
Closed to all traffic

North 190th Avenue East Bridge (Jasper County, Iowa)
Built 1918; rehabilitated 1936
Steel stringer bridge over North Skunk River on North 190th Avenue East
Open to traffic

North Avenue Bridge (Old) (Cook County, Illinois)
Built 1907
Double-leaf bascule through truss bridge over North Branch Chicago River on North Avenue in Chicago
Replaced by a modern bridge

North Avenue over Merritt Parkway Bridge (Fairfield County, Connecticut)
Built 1939
Concrete rigid frame bridge over Merritt Parkway (CT 15) on North Avenue
Open to traffic

North Barry Avenue Bridge (Westchester County, New York)
Built 1887; rehabilitated 1943
Pony truss bridge over Metro-North New Haven Line on North Barry Avenue in Harrison
Open to traffic

North Bear Creek Bridge (Winneshiek County, Iowa)
Built in 1909
Through truss bridge over North Bear Creek on 360th Street (360th St)
Open to traffic

North Big Creek Bridge (Coffey County, Kansas)
Likely built ca. 1910. Possibly rehabilitated in 1925.
Pratt pony truss bridge over North Big Creek on Fauna Road, 3.5 mi. north and 1.0 mi. east of Gridley
Closed to all traffic

North Big River Bridge (St. Francois County, Missouri)
Built 1924; made obsolete by new bridge in 1956
Through truss bridge over Big River on Old US 67 (Berry Road) north of Bonne Terre
Demolished

North Boat Ditch Bridge (Clark County, Arkansas)
Built ca. 1928
Through truss bridge over North Boat Ditch on CR 8
Open to one-lane traffic

North Boggy Creek Bridge (Atoka County, Oklahoma)
Built 1916; Replaced 2014
Pony truss bridge over North Boggy Creek on E1680
Replaced by a new bridge

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