There are 5,915 bridges in this category · Only showing 3,245 bridges with photos
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Span length 75-100 feet

Molalla River Bridge (Clackamas County, Oregon)
Built 1936, Made One-Way in 1963
Warren deck truss bridge over Molalla River on Northbound OR-99 E
Open to traffic

Mollies Rock Road Bridge (Muskingum County, Ohio)
Built 1914 by C.W. Lane; probably replaced 1981
Lost through truss bridge over Symmes Creek on Nollies Rock Road (CR 40)
Open to traffic

Monocacy River Bridge (Carroll County, Maryland)
Steel stringer bridge over Monocacy River on Keysville Fr Co Road
Open to traffic

Monroe Street Bridge (Bergen County, New Jersey)
Built 1908; rehabilitated 1997
Concrete arch bridge over Passaic River on Monroe Street in Garfield
Open to traffic

Monroe Street Bridge (Lucas County, Ohio)
Built 1907; Replaced 1995
Lost Warren through truss bridge over Swan Creek on Monroe Street
No longer exists

Montana Road Bridge (Boone County, Iowa)
Built ca. 1920, replaced 2017
Lost pony truss bridge over Honey Creek on Montana Road
Replaced by a new bridge

Moody Ford Bridge (Barton County, Missouri)
Built 1884 by the Missouri Valley Bridge & Iron Co.; replaced 1998; relocated to private property in Nov. 1999
Through truss bridge formerly over North Fork Spring River on SW 60th Road (CR 432)
Open to traffic on a private lane

Moon Creek Bridge (Mahaska County, Iowa)
Built 1961
Pony truss bridge over Moon Creek on CR G19/133rd Street
Open to traffic

Mora River Bridge (Mora County, New Mexico)
Built 1915 with five spans; three spans relocated to current location in 1934
Pony truss bridge over Mora River on NM 97
Open to traffic

Morgan Street Bridge (Winnebago County, Illinois)
Built 1916; rehabilitated 1960; replaced 2013
Concrete bridge over Rock River on Morgan Street, 0.2 mi. east of Main St
Gone in 2011. Replaced by a new bridge in 2013.

Morganza Road Bridge (Washington County, Pennsylvania)
Built 1924; rehabilitated 1983
Concrete arch bridge over Chartiers Creek on PA 1009 in Cecil
Open to traffic

Morlot Avenue Passaic River Bridge (Bergen County, New Jersey)
Built 1904; rehabilitated 2008
Pony truss bridge over Passaic River on Morlot Ave (Cr 78)
Open to traffic

Morris Road Bridge (Crawford County, Pennsylvania)
Built ca. 1935
Pony truss bridge over Western New York and Pennsylvania Railroad tracks on TR 653
Removed but not replaced

Morrison Covered Bridge 13-98-B (Whiteside County, Illinois)
Built 2001
Modern covered bridge over Rock Creek on Crosby Road in Morrison
Open to traffic

Morrison-Bryan Road Bridge (Tehama County, California)
Built 1910
Lost Warren pony truss bridge over Burris Creek on Morrison-Bryan Road
Removed but not replaced

Mosby Creek Covered Bridge 37-20-27 (Lane County, Oregon)
Built in 1920. Restored in 1990.
Covered Howe through truss bridge on Mosby Creek Road
Open to traffic

Mosel Avenue Bridge (Kalamazoo County, Michigan)
Built 1924; Altered 1953; Deck resurfaced 1985; Replaced 1990
Lost Concrete pony arch bridge over Kalamazoo River on Mosel Avenue in Kalamazoo
Replaced by new bridge

Moseley Wrought Iron Arch Bridge (Essex County, Massachusetts)
Built 1864 at Pacific Mills in Lawrence; relocated 1989; reopened to foot traffic in 1995
Relocated wrought-iron through arch bridge on the grounds of Merrimack College in North Andover
Open to pedestrians

Mosside Boulevard Bridge Approach (Allegheny County, Pennsylvania)
Built 1930; replaced 2007
Lost Deck girder bridge over Service Road on Mosside Blvd.
Replaced by a new bridge

Motley Slough Bridge (Lowndes County, Mississippi)
Built or relocated here 1925
Pony truss bridge over Slough Creek on Schaffer Chapel Road
Open to traffic

Mott Bridge (Hettinger County, North Dakota)
Built 1921; replaced 1982
Lost two-span rainbow arch bridge over North Fork Cannonball River on First Street in Mott
Replaced by new bridge

Mountain Fork River CR 38 Bridge (Polk County, Arkansas)
Built 1905
Two-span pony truss bridge over Mountain Fork River on CR 38 near Potter
Open to one lane traffic

Mountain Road Bridge (Sussex County, New Jersey)
Built 1893
Through truss bridge over Flat Brook on Mountain Road
Open to traffic

Mountain-Bay Trail - Wolf River Bridge (Shawano County, Wisconsin)
Built 1939
Deck plate girder bridge over Wolf River on Mountain-Bay State Trail
Open to pedestrians only

Mountain-Bay Trail/ELS Overpass (Brown County, Wisconsin)
Built 1914
Pony/through plate girder bridge over Semi-abandoned Escanaba & Lake Superior Railroad on Mountain-Bay Trail (Former CNW)
Open to pedestrians only

MSTR - NY-37B Overpass (St. Lawrence County, New York)
Built 1945 by Bethlehem Steel Co.
Pony plate girder bridge over NY 37B on Massena Terminal Railroad
Open to traffic

Mt Vernon Avenue Bridge (San Bernardino County, California)
Built 1934
Steel stringer bridge over BNSF RR, Amtrak, UP RR,W 3rd St on Mt Vernon Avenue
Open to traffic but with temporary supports on the south end

Mt. Lawn Bridge (Henry County, Indiana)
Unknown, but definately moved here from another location
Pratt pony truss bridge over Duck Creek on road to pit lane at Mt. Lawn speedway
Open to traffic

Mt. Olive Road Bridge (Spotsylvania County, Virginia)
Built 1943
Pony truss bridge over North Anna River on Mt. Olive Road
Collapsed

Mud Creek Bridge (Benton County, Iowa)
Built 1900; replaced 2013
Lost pony truss bridge over Mud Creek on 25th Avenue
Replaced by a new bridge

Mud Creek Bridge (Polk County, Iowa)
Built ca. 1920
Pony truss bridge over Mud Creek on SE Vandalia Road
Open to traffic

Mud Creek Bridge (Buffalo County, Nebraska)
Built 1935; replaced 2014
Lost Pony truss bridge over Mud Creek on Imperial Road, 1 mi. southeast of Sweetwater
Replaced by a new bridge

Mud Pine Creek CR 875S Bridge (Benton County, Indiana)
Built 1935
Pony truss bridge over Mud Pine Creek on CR 875 South
Open to traffic

Mud Pine Creek IN 26 Bridge (Warren County, Indiana)
Built 1933, rehabilitated in 2000
Pony truss bridge over Mud Pine Creek on IN 26
Open to traffic

Mud River Bridge (Lincoln County, West Virginia)
Built 1917; rehabilitated 1980
Through truss bridge over Mud River on CR 7
Closed to Traffic

Muddy Creek Bridge (Jefferson County, Kansas)
Built ca. 1930
Pony truss bridge over Muddy Creek, 6.4 mi. south and 0.6 mi. east of Meriden
Open to traffic

Muddy Creek Norfolk Southern Railway Bridge (Forsyth County, North Carolina)
Deck plate girder bridge over Muddy Creek on NSRR
Open to traffic

Muddy Fork Cowlitz River Bridge (Lewis County, Washington)
Built 1952
Concrete arch bridge over Muddy Fork Cowlitz River on Stevens Canyon Road
Open to traffic

Mulberry Creek Bridge (Ford County, Kansas)
Built 1906; rehabilitated 1958
Through truss bridge over Mulberry Creek, 2.6 mi. south and 3.0 mi. west of Ford
Open to traffic

Mulberry Jefferson Road Bridge (Clinton County, Indiana)
Built 1895; replaced 1994
Lost through truss bridge over South Fork Wildcat Creek on Mulberry Jefferson Road at 280N-760W
Replaced by new bridge

Mulberry River US 64 Bridge (Crawford County, Arkansas)
Built 1929; rehabilitated 1961
Three-span open-spandrel arch bridge over Big Mulberry River on US 64 in Mulberry
Open to traffic

Mulberry Street Ramp Bridge (Dauphin County, Pennsylvania)
Built 1907-09; rehabilitated 1957
Concrete arch bridge over Paxton Creek on Mulberry Street Ramp in Harrisburg
Open to traffic

Mulholland Drive Viaduct (Los Angeles County, California)
Built 1940
Concrete tee beam bridge over Hollywood Freeway (US 101) on Mulholland Drive in Los Angeles
Open to traffic

Mull Bridge (Shelby County, Indiana)
Built ca.1890
Through truss bridge over Little Blue River on CR 800 East
Intact but closed to all traffic

Mullen Covered Bridge 35-04-16 (Ashtabula County, Ohio)
Built 1876; rehabilitated 1987-88
Covered bridge over Mill Creek on Doyle Road
Open to traffic

Murray Hill Road Bridge (Erie County, New York)
Built 1935
Pony truss bridge over West Branch Cazenovia Creek on Murray Hill Road
Open to traffic

Mussel Fork Route J Bridge (Macon County, Missouri)
Built 1958
Pony truss bridge over Mussel Fork on Route J
Open to traffic

Mystic River Bascule Bridge (New London County, Connecticut)
Built 1922
Bascule bridge over Mystic River on US 1 West Main Street at Mystic
Open to traffic

N&W - Eno River Bridge (Durham County, North Carolina)
Abandoned through truss bridge over Eno River on Abandoned Railroad
Derelict/abandoned

N&W - Little River Bridge (Durham County, North Carolina)
Built 1903
Abandoned pratt through truss bridge over Little River on Abandoned Northen and Westrern line aka Lynchburg & Durham Railroad
Intact in good condition, in State Gamelands

Nacote Creek Bridge (Atlantic County, New Jersey)
Built 1904; rehabilitated 1952
Swing bridge over Nacote Creek on Smithville-Port Republic Road in Port Republic
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

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

Narrows Bridge (Parke County, Indiana)
Built 1958
Arch bridge over Sugar Creek on Narrows Road
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

Nassa Creek Bridge (Macoupin County, Illinois)
1940
Pony truss bridge over Nassa Creek on Richie Rd
Open to traffic

Natchez Trace MS 18 Bridge (Claiborne County, Mississippi)
Built 1963
Arch bridge over Natchez Trace on MS 18
Open to traffic

Navarro Street Bridge (Middle) (Bexar County, Texas)
Built 1922 by the Virginia Bridge & Iron Co.
Pony truss bridge over San Antonio River on Navarro Street in San Antonio
Open to traffic

NCRy - Farwell Bridge (Alameda County, California)
Built in 1865-66 as part of the original transcontinental railroad by the Western Pacific RR as part of the line form Sacramento to San Francisco. The WPRR was engulfed by the Central Pacific RR in 1867 and eventually folded into the Southern Pacif .
Pratt through truss bridge over Alameda Creek (also CA 84) on Niles Canyon Railroad (NCRy)
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

Neff's Mill Covered Bridge 38-36-22 (Lancaster County, Pennsylvania)
Built 1875
Covered bridge over Pequea Creek on Penn Grant Road
Open to 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.

Neshannock Creek Bridge (Mercer County, Pennsylvania)
Built 1927; rehabilitated 1990
Pony truss bridge over Neshannock Creek on PA 2002 (Leesburg Road)
Open to traffic

Neshannock Creek Bridge (Mercer County, Pennsylvania)
Built ca. 1880 by Wrought Iron Bridge Co.
Lost through truss bridge over Neshannock Creek on PA 2004 (Milburn Road)
Demolished and replaced.

New Belz Road Duck Creek Bridge (Denton County, Texas)
Built 2009
Polygonal Warren pony truss with alternating verticals bridge over Duck Creek on Belz Road
Open to traffic

New Brownsville Covered Bridge 14-03-08 (Bartholomew County, Indiana)
Built 1840; relocated and shortened 1986; rehabilitated 1991
Covered bridge over a branch of Driftwood River in Mill Race Park
Open to traffic

New Carlisle Pike Bridge (Clark County, Ohio)
Built 1958
Pony truss bridge on New Carlisle Pike
Demolished

New WI-54 Duck Creek Bridge (Brown County, Wisconsin)
Built 2012
Prestressed stringer bridge over Duck Creek on WI-54
Open to traffic

Newfield Covered Bridge 32-55-01 (Tompkins County, New York)
Built 1853; rehabilitated 1972
Town Lattice through truss with supplemental arches over West Branch Cayuga Inlet on Covered Bridge Street in Newfield Hamlet
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

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

NH - Triple Bridge (Suffolk County, Massachusetts)
Built 1899
Lost Warren through truss Scherzer rolling lift bascule bridge over Fort Point Channel on Railroad (Amtrak and MBTA)
Replaced by new bridge

Niangua River Old US 66 Bridge (Webster County, Missouri)
Built 1924 by contractor M.E. Gillioz
Pony truss bridge on Route CC (Old US 66) over East Fork Niangua River
Open to traffic

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

Nicholson Road Bridge (Denton County, Texas)
Built 1925
Pony truss bridge over Clear Creek on Nicholson Road in Denton
Replaced by a concrete bridge. The original structure was relocated to the City of Trenton.

Nickel Creek Bridge (Lewis County, Washington)
Built 1952
Concrete arch bridge over Nickel Creek on Stevens Canyon Road
Open to traffic

Nineteenth Street Bridge (Denver County, Colorado)
Built 1888 by the Missouri Valley Bridge & Iron Works; rehabilitated 1965; closed to traffic 1986; new bridge built 1992
Two-span wrought-iron through truss bridge over South Platte River on 19th Street in Denver
Open to pedestrians only

Ninth Street Lift Bridge (Kings County, New York)
Vertical lift bridge over Gowanus Canal on Ninth Street in New York
Open to traffic

Nishnabotna River Bridge (Audubon County, Iowa)
Built 1977
Pony truss bridge over Nishnabotna River on Lark Avenue
Open to traffic

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

Nishnabotna River Bridge (Audubon County, Iowa)
Built 1924
Pony truss bridge over Nishnabotna River on Mockingbrid Avenue
Derelict/abandoned

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

Nissley Drive Overpass (Dauphin County, Pennsylvania)
Built 1949 by the PTC
Concrete rigid frame bridge over PA Turnpike/I-76 on Nissley Drive in Lower Swatara Township
Open to traffic

NJ 23 Passaic River Bridge (Passaic County, New Jersey)
Built 1916; rehabilitated 1988
Concrete arch bridge over Passaic River on NJ 23
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

NKP - Wildcat Creek Bridge (Howard County, Indiana)
Single track, on small grade. Part of former rail line stretching from Toledo, Ohio to St. Louis, Missouri. Last train over this segment was in or about 1999, has been dormant since with nearby bridge and road crossing removed.
Deck plate girder bridge over Wildcat Creek on Winamac Southern Railway(nee Central Railroad of Indianapolis, Norfolk Southern, N&W, Nickel Plate Road, Toledo St. Louis and Western Cloverleaf route), soon possibly trail in Kokomo
Closed to all traffic. This segment of railroad recently purchased by Winamac Southern Railway, but no trains have been over this bridge in at least a decade.

Noah's Ark Covered Bridge 25-83-01x (Platte County, Missouri)
Built 1878; bypassed by new bridge in 1957; damaged by flood in July 1965 and dismantled
Lost covered bridge over Little Platte River on Route B
Destroyed by flood

Nodaway Creek Bridge (Adair County, Iowa)
Built 1943
Pony truss bridge over Nodaway Creek on Lewis Avenue
Open to traffic

Noland Creek Bridge (Swain County, North Carolina)
Built 1971 as part of the planned "North Shore Road".
Concrete stringer bridge over Noland Creek on Lakeview Drive
Open to traffic

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

Norfolk Southern Railway Amtrak Bridge (Perry County, Pennsylvania)
Built 1901
Pony plate girder bridge over NSRR on Amtrak/NSRR
Open to traffic

Norfolk Southern-Surgoinsville Underpass (Hawkins County, Tennessee)
Built 1907
Deck plate girder bridge over Surgoinsville Creek, Millers Bluff Road on Norfolk Southern Railway
Open to traffic

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 Beacon Street Bridge (Suffolk County, Massachusetts)
Built 1917
Concrete arch bridge over Charles River on US 20 (N. Beacon Street) in Boston
Open to 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 Branch North River Bridge (Madison County, Iowa)
Built 1912
Pony truss bridge over North Branch North River on Heritage Avenue
Closed

North Branch North River Bridge (Madison County, Iowa)
Built 1915; rehabilitated 1974
Pony truss bridge over North Branch North River on Juniper Trail
Open to traffic

North Branch Otter Creek Bridge 97th Street (Vigo County, Indiana)
Built c. 1900; Lost 1986
Lost Pratt through truss bridge over N Branch Otter Creek on N Stuthard Str
Replaced by a new bridge

North Branch Potomac River Bridge (Grant County, West Virginia)
Built 1896
Pratt Through Truss over North Branch Potomac River on CR 90/2 in Bayard
Demolished and replaced.