There are 3,857 bridges in this category · Only showing 2,823 bridges with photos
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Span length 125-175 feet

Monocacy River Bridge (Frederick County, Maryland)
Built 1930; rehabilitated 1980
Through truss bridge over Monocacy River on MD 355


Monroe Bridge (Lincoln County, Missouri)
Lost through truss bridge over West Fork Cuivre River on Fairview Church Road northeast of Truxton
Replaced by a new bridge

Monroe Road Bridge (Clinton County, Michigan)
Built 1894; replaced in 2001 and dismantled for reuse
Dismantled through truss bridge over Looking Glass River on Monroe Road
Replaced by a new bridge and dismantled for reuse

Montoursville Bridge (Lycoming County, Pennsylvania)
Built 1931; rehabilitated 1994
Three-span through truss bridge over Loyalsock Creek on PA 2014 in Montoursville
Open to traffic

Moon Road Bridge (Monroe County, Indiana)
Built in 1915; replaced in 1986
Lost Pratt through truss bridge over Bean Blossom Creek on Moon Road
Replaced by new bridge

Moore's Crossing Bridge (Travis County, Texas)
Built 1884 at Congress Avenue; Two Spans Moved Here In 1922; Closed to vehicular traffic in 1981
Through truss bridge over Onion Creek on Moores Bridge Rd
Open to pedestrians

Mora River Bridge (Mora County, New Mexico)
Built 1914: replaced 1934
Lost Pratt through truss bridge over Mora River on NM-161
Replaced by a new bridge

Morehead Bridge (Jackson County, Iowa)
Built or relocated 1982
Through truss bridge over South Fork Maquoketa River on 74th Street
Open to traffic

Morgan County Bridge #201 (Morgan County, Indiana)
Built 1893
Lost Pratt through truss bridge over White Lick Creek
Replaced by a new bridge

Morgan Ford Bridge (Henry County, Virginia)
Constructed 1953 from parts from older bridges. The center Pratt through truss span was built in 1887.
Through truss bridge over Smith River on Morgan Ford Rd (Route 622) in Sandy Level
Open to traffic

Morseville Bridge (Saginaw County, Michigan)
Built in 1885 by the Smith Bridge Company; bypassed in 2006
Pratt through truss bridge over Flint River on Burt Road (Old alignment)
Bypassed by a new bridge on a different alignment and abandoned

Morton Bridge (Allen County, Indiana)
Built ca.1880 by the Western Bridge Works of Fort Wayne
Whipple through truss bridge over St. Marys River on Marion Center Road
Open to traffic

Morton- Minnesota River Crossing (Redwood County, Minnesota)
Built 1928; Replaced in 1997- road realigned at the same time.
Lost Parker through truss bridge over Minnesota River on Hwys. US 71 and MN 19
Replaced by new bridge

Moscow Covered Bridge 14-70-07 (Rush County, Indiana)
Built 1886 by E. L. Kennedy; rebuilt 2010 by Dan Collom & Sons
Two-span covered bridge over Flatrock River on CR 900S at Moscow
Damaged by a tornado on June 3, 2008. Bridge rebuilt using old and new materials.

MoseMann Bridge (Johnson County, Iowa)
Built 1904; Removed 1959
Lost Pratt through truss bridge over Iowa River on Scales Bend Road
Removed

Mosquito Creek Bridge (Dallas County, Iowa)
Built ca. 1880; closed 2009
Through truss bridge over Mosquito Creek on 255th Street
Intact but closed to all traffic

Moss Road Bridge (Herkimer County, New York)
Built 1910; rehabilitated 1955
Through truss bridge over Erie Barge Canal on Moss Road
Open to traffic

Mossdale Highway Bridge (San Joaquin County, California)
Built 1949;
Warren through truss bascule bridge over San Joaquin River
Open to traffic

Mott Bridge (Douglas County, Oregon)
Built 1936; rehabilitated 1983
Timber braced spandrel arch bridge over North Umpqua River on USFS Road 4712
Open to traffic

Motts Road Bridge (Harrison County, Indiana)
Built ca. 1900
Lost Pratt through truss bridge over Indian Creek on Motts Road
Replaced by a new bridge

Mount Jackson Road Bridge (Lawrence County, Pennsylvania)
Built 1924; replaced 2001
Lost Pratt through truss bridge over Mahoning River on Mount Jackson Road (PA 108)
Replaced by a new bridge

Mount Meridian Bridge (Augusta County, Virginia)
Built 1907 by the Champion Bridge Co.; Closed to all traffic in 1997
Three-span through truss bridge over Middle River on former Route 769
Closed to all traffic

Mount Moriah Road Bridge (Cooper County, Missouri)
Built 1913 by Kansas City Bridge Co.; replaced 2003-04
Lost through truss bridge over Lamine River on Mount Moriah Road near Clifton City
Replaced by a modern concrete bridge

Mount Si Road Bridge (King County, Washington)
Built 1904; rehabilitated 1955, Replaced 2008-09
Through truss bridge over Middle Fork Snoqualmie River on Mount Si Road in Tanner
Replaced by a NEW THROUGH TRUSS bridge in 2008

MPLI - Minnesota River Bridge (Redwood County, Minnesota)
Built 1896
Pratt through truss bridge over Minnesota River on Twin Cities and Western Railroad
Open to traffic

MPLI - Redwood River Bridge (Redwood County, Minnesota)
Built 1898
Warren through truss bridge over Redwood River on Minnesota Prairie Line
Open to traffic

MRL - Clark Fork River Bridge No. 3 (Sanders County, Montana)
Bridge over Clark Fork River on Montana RailLink


MRL - Clark Fork River Bridge No. 3 (Missoula County, Montana)
Warren deck truss with all verticals bridge over Clark Fork River on Railroad
Open to traffic

MRL - Clark Fork River Bridge No. 4 (Sanders County, Montana)
Pratt deck truss bridge over Clark Fork River on Montana RailLink
Open to traffic

MRL - Clark Fork River Bridge No. 5 (Missoula County, Montana)
Pratt through truss bridge over Clark Fork River on Railroad
Open to traffic

Mt Murphy Road Bridge (El Dorado County, California)
Through girder bridge built 1915, 2 center spans destroyed by flooding and truss installed 1931
Through truss bridge over South Fork American River on Mt Murphy Road
Open to traffic

Mt. Orne Covered Bridge 45-05-03 / 29-04-08 (Coos County, New Hampshire)
Built 1911; rehabilitated 1988
Covered bridge over Connecticut River on Mt. Orne Road in Lancaster
Open to traffic

Mud Creek IN 26 Bridge (Howard County, Indiana)
Built 1947; rehabilitated 1992
Pony truss bridge over Mud Creek on IN 26
Open to traffic

Muddy Fork Sandy River Bridge (Clackamas County, Oregon)
Built 2011
Pratt pony truss bridge over Sandy River on USFS Road 1825
Open to traffic

Munfordville Bridge (Hart County, Kentucky)
Toll bridge on the Louisville and Nashville Turnpike replacing Amos Ferry at Big Buffalo Crossing
Lost Parker through truss bridge over Green River on L&N Turnpike/Dixie Highway
Lost

Murray Avenue Bridge (Allegheny County, Pennsylvania)
Built 1978
Steel rigid frame bridge over Beechwood Blvd. & I-376 Ramp G on Murray Avenue Bridge
Open to traffic

Murray Bridge (Humboldt County, Iowa)
Built 1905 by A.H. Austin; rehabilitated 1982; damaged in car wreck during 2004
Through truss bridge over West Fork Des Moines River on 190th Street, southeast of Bradgate
Open to traffic

Muscatatuck River CR 710S Bridge (Jackson County, Indiana)
Built ca. 1890; replaced 1994
Lost through truss bridge over Muscatatuck River on County Road 710 South
Replaced by new bridge

Muscatatuck River CR 775S Bridge (Jackson County, Indiana)
Built 1914; replaced 1992
Lost through truss bridge over Muscatatuck River on County Road 775 South
Closed to all traffic

Muscatatuck River IN 256 East Bridge (Jackson County, Indiana)
Built 1941; rehabilitated 1984
Through truss bridge over Muscatatuck River on IN 256
Open to traffic

Muscatatuck River IN 256 West Bridge (Washington County, Indiana)
Built 1941; rehabilitated 1982
Through truss bridge over Muscatatuck River on IN 256
Open to traffic

Muscatatuck River SR 39 Bridge (Washington County, Indiana)
Built 1883; rehabilitated 1974; replaced 1992
Lost through truss bridge over Muscatatuck River on IN 39
Replaced by new bridge

Musselshell River Bridge (Musselshell County, Montana)
Built 1930
Through truss bridge over Musselshell River on CR 101
Open to traffic

Musselshell River Bridge (Musselshell County, Montana)
Built 1930
Through truss bridge over Musselshell River on CR 117
Open to traffic

Musselshell River Bridge (Musselshell County, Montana)
Built 1930
Through truss bridge over Musselshell River on CR 124
Open to traffic

Myrtle Creek Bridge (Del Norte County, California)
Built 1984
Concrete arch bridge over Myrtle Creek on US 199
Open to traffic

Myrtle Creek Bridge (Douglas County, Oregon)
Built 1922, Rehabilitation & Widening 2007
Concrete arch bridge over South Umpqua River on CR 386 in Myrtle Creek
Open to traffic

Nacimiento Lake Drive Bridge (Monterey County, California)
Built 1921
Pratt Through truss bridge over San Antonio River on Nacimiento Lake Drive
Open to traffic

Nansemond River Bridge (Suffolk, Virginia)
Built 1982
Concrete stringer bridge over Nansemond River on US-17
Open to traffic

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

NASA Causeway (Brevard County, Florida)
Built 1964
Deck plate girder bridge over Indian River on NASA Causeway
Open to traffic

Nashua Bridge (Chickasaw County, Iowa)
Built ?; Shifted onto new piers 1916; Replaced 1921
Lost Bowstring through truss bridge over Cedar River on Road
Replaced by a new bridge

Natural Bridge (Winston County, Alabama)
A natural landform that began developing c.200 million years ago.
Arch bridge
Park is open

Natural Dam Bridge (Crawford County, Arkansas)
Built 1934 by contractor M.E. Gillioz, replacing an earlier truss bridge built in 1907 by the Illinois Steel Bridge Co ; Replaced 2018.
Two-span through truss bridge over Lee Creek on AR 59 near the community of Natural Dam


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

Navarro River Bridge (Mendocino County, California)
Built 1949
Deck plate girder bridge over Navarro River on State Route 1
Open to traffic

NCRy - Arroyo de la Laguna Bridge (Alameda County, California)
Warren through truss bridge over Alameda Creek on Niles Canyon Railway/Union Pacific Railroad
Open to traffic

NCRy - Dresser Bridge (Alameda County, California)
Warren through truss bridge over Alameda Creek, Hwy 84 on Niles Canyon Railway/Union Pacific Railroad


NECR - Connecticut River Bridge #1 (Franklin County, Massachusetts)
Built 1904, southern spans lost 3/18/36 and replaced same year
Warren deck truss bridge over Connecticut River on New England Central Railroad
Open to traffic

NECR - Millers River Bridge (Franklin County, Massachusetts)
Built 1905
Pratt deck truss bridge over Millers River on NECR (New England Central Railroad)
Open to traffic

Needle's Eye Tunnel (Boulder County, Colorado)
Built 1903-1905; Bypassed 1928; Abandoned 1935; Reopened as a road 1955-1979 and 1988-1990.
Tunnel on Abandoned Moffat Road
Closed to all traffic

Neet Covered Bridge 14-61-18 (Parke County, Indiana)
Built 1904
Covered bridge over Little Raccoon Creek on a bypassed section of Bridgeton Road
Open to pedestrians

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

Negley Bridge (Columbiana County, Ohio)
Built 1882 by the Columbia Bridge Works of Dayton, Ohio
Through truss bridge over North Fork Little Beaver Creek on Carmel Achor Road (TR 1026)
Open to traffic

Neligh Mill Bridge (Antelope County, Nebraska)
Built 1910 by the Western Bridge & Construction Co. Collapsed into river in June 2011, restoration planned with donation made end of 2013..
Through truss bridge over Elkhorn River on Elm Street at Neligh
Collapsed into river, but remains and is feasible to restore.

Nelson Creek Bridge (Plumas County, California)
Built 1890
Pratt through truss bridge over Nelson Creek on Old Quincy La Porte Road
Open to pedestrians

Neosho River Bridge (Coffey County, Kansas)
Built 1926
Two-span Marsh arch bridge over Neosho River on 19th Lane, 0.2 mi. east of Hartford
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 US 75 Bridge (Coffey County, Kansas)
Built 1934; replaced 2006
Lost through truss bridge over Neosho River on US 75
Replaced by new bridge

Neosho Steam Electric Station Bridge (Labette County, Kansas)
Built 1953 using Older Parts
Pratt through truss bridge over Neosho River on Former Access Road
Closed with approaches removed.

NER - American River Bridge (Old) (Sacramento County, California)
Built 1906; Collapsed 1913
Lost Pratt through truss bridge over American River on Northern Electric Railway
Collapsed

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

Neuse River Norfolk Southern Railway Bridge (Johnston County, North Carolina)
Built 1929
Warren through truss with all verticals bridge over Neuse River on NSRR
Open to traffic

Neversink River Bridge (Orange County, New York)
Built 1929
Through truss bridge over Neversink River on US 6 in Port Jervis
Open to traffic

Nevins Covered Bridge 14-61-05 (Parke County, Indiana)
Built 1920
Covered bridge over Little Raccoon Creek on CR S130E
Open to traffic

New Bedford-Fairhaven Middle Bridge (Bristol County, Massachusetts)
Swing span built 1897-99
Through truss swing bridge over Acushnet River on US 6 at New Bedford
Open to traffic

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

New Ford Bridge (Jackson County, Indiana)
Built in 1884 with additional spans built in 1891; replaced in 1987
Lost Pratt through truss bridge over East Fork White River on New Ford Road (CR550N)
Replaced by new bridge

New Hope Bridge (Bartholomew County, Indiana)
Built 1913; rehabilitated 1999
Two-span through truss bridge over Flatrock River on CR 400 North in Columbus
Open to traffic

New Hope Through Truss Bridge (Brown County, Ohio)
Built 1884 by the Lomas Forge & Bridge Works
Abandoned Whipple through truss bridge over White Oak Creek on Main St. in New Hope
Abandoned

New Leatherwood Creek Bridge (Carroll County, Arkansas)
Built 2008
Steel stringer bridge over Leatherwood Creek on US Route 62
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

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

Newcastle Bridge (Young County, Texas)
Parker through truss bridge over Brazos River on Old Hwy 380
Bypassed and closed to traffic in 1988

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

NH - Cape Cod Canal Bridge (Barnstable County, Massachusetts)
Built 1910; Replaced 1935
Lost Bridge over Cape Cod Canal on New York New Haven & Hartford Railroad
Replaced by a new bridge

NH - Naugatuck River Bridge (Litchfield County, Connecticut)
Bridge over West Branch Naugatuck River on Naugatuck Railroad
Replaced by a new bridge

NH - West Glenham Bridge (Old) (Dutchess County, New York)
Built 1894; Replaced by current bridge
Lost Warren deck truss bridge over Fishkill Creek on ND&C Railroad
Replaced by a new bridge

NH - Woonsocket Covered Bridge (Providence County, Rhode Island)
Built 1898; destroyed by flooding 1955
Lost Howe through truss bridge over Blackstone River on New Haven Railroad - Spur to Social Village
Destroyed by flooding

Niagara River Tonawanda Island Railroad Bridge (Niagara County, New York)
Built 1886
Abandoned swing through truss bridge over Little River on TIRLRR & Road
Derelict/abandoned

Niagara-On-The-Lake (Niagara County, New York)
Ship mounted Sherzer Rolling Lift to Strass Heel Trunion Bascule
Derelict/abandoned

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

Niantic River Bridge (New London County, Connecticut)
Built 1991
Bascule bridge over Niantic River on CT 156 in East Lyme
Open to traffic

Nicholas Bridge (Butler County, Pennsylvania)
Built 1928
Lost Bridge over Slippery Rock Creek on Creek Road
Collapsed in 1963

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

Nickel Plate IMC Pipe Creek Bridge (Miami County, Indiana)
Once part of the Peru and Indianapolis Railroad to connect those two cities(2nd oldest in Indiana), Later saw NYC trains use this line as well. Last used by Central Railroad of Indy RR before abandonment in 1999. IMC denotes Indy to Michigan City.
Deck girder bridge over Pipe Creek on Nickel Plate Trail, formerly Norfolk Southern(nee N&W, Nickel Plate Road, Lake Erie and Western, Peru and Indianapolis, others) in Bunker Hill
Open to pedestrians

Nickel Plate Trail - Wabash River Bridge (Miami County, Indiana)
one of the oldest rail lines in Indiana, this bridge was built by Nickel Plate Road(later Norfolk & Western, Norfolk Southern). Last used by Central Railroad of Indy, Now Railbanked and property of Indiana Trails Fund
Through truss bridge over Wabash River on abandoned Norfolk Southern Railway, soon Nickel Plate Trail in Peru
Open to pedestrians on Nickle Plate Trail

Ninnescah River Bridge (Sedgwick County, Kansas)
Lost 2000
Lost pony truss bridge over Ninnescah River, 1.8 mi. west of Clearwater
Replaced by a new bridge

Ninnescah River Bridge (Sumner County, Kansas)
Built 1962
Through truss bridge over Ninnescah River, 2.0 mi. east and 3.8 mi. south of Belle Plaine
Open to traffic

Nixon Bridge (Gallatin County, Montana)
Built 1891; Relocated here in 1923; rehabilitated 2000
Through truss bridge over Gallatin River on CR 216
Open to traffic