There are 2,837 bridges in this category · Only showing 2,449 bridges with photos
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Miner Street Bridge (Clear Creek County, Colorado)
Built 1902 by Kuyes and Work. Reconstructed 1990 (the trusses are no longer load-bearing).
Reconstructed pony truss bridge over Clear Creek on Miner Street in Idaho Springs
Open to traffic

Minerva Creek Bridge (Marshall County, Iowa)
Built 1912
Arch bridge over Minerva Creek on 140th Street
Open to traffic

Minortown Road Bridge (Litchfield County, Connecticut)
Built 1890 by the Berlin Iron Bridge Co.; rehabilitated 1991
Lenticular pony truss bridge over Nonewaug River on Minortown Road in Woodbury
Open to traffic

Mission Espada Aqueduct (Bexar County, Texas)
Built between 1731 and 1745
Stone arch bridge over Piedras Creek on Acequia Madre
Still carries water

Missisquoi River Bridge (Franklin County, Vermont)
Built 1929 by Pittsburgh-Des Moines Steel Co.; rehabilitated 1979
Parker through truss bridge over Missisquoi River on VT 105A ALT in Richford
Open to traffic

MKT - Boonville Railroad Bridge (3rd) (Cooper County, Missouri)
Built 1932, abandoned in 1992 and donated to city by Union Pacific; reopened for rail-trail use April 2016.
Vertical-lift through truss bridge over the Missouri River on Future Katy Trail in Boonville
Partially opened to rail-trail use April 2nd, 2016

MNA - Cotter Tunnel (Marion County, Arkansas)
Built 1903-04
Tunnel on the MNA Railroad (formerly Missouri Pacific) just northwest of Cotter
Open to railroad traffic

MNA - Crest Tunnel (Boone County, Arkansas)
Built 1903-05
Tunnel on the Missouri and Northern Arkansas (formerly Missouri Pacific) Railway northwest of Omaha
Open to railroad traffic

MNA - Cricket Tunnel (Boone County, Arkansas)
Built 1903-05
Tunnel on the Missouri and Northern Arkansas (formerly Missouri Pacific) just south of Omaha
Open to railroad traffic

MNA - Pyatt Tunnel (Marion County, Arkansas)
Built 1903-04
Tunnel on the Missouri and Northern Arkansas Railroad (formerly Missouri Pacific) southeast of Pyatt
Open to railroad traffic

MNCW - Devon Bridge (New Haven County, Connecticut)
Built 1905, rehabilitated 1990
Warren through truss bridge over Housatonic River on Metro-North Commuter Railroad
Open to traffic

MNCW - Mianus River Bridge (Fairfield County, Connecticut)
Built 1904, rehabilitated 1989
Deck girder bridge over Mianus River on Metro-North New Haven Line/Amtrak NEC
Open to traffic

MNCW - Norwalk River Bridge (Fairfield County, Connecticut)
Built 1896
Double-intersection Warren deck truss bridge over Norwalk River on Metro-North New Haven Line
Open to traffic

MNCW - Saugatuck River Bridge (Fairfield County, Connecticut)
Built 1904, rehabilitated 1990
Bridge over Saugatuck River on Metro-North Commuter Railroad
Open to traffic

Monadnock Mills Bridge (Sullivan County, New Hampshire)
Built ca. 1870's
Abandoned bowstring through truss bridge over Sugar River on an old access into a building
Abandoned (but still carries a pipe line)

Monocacy River Bridge (Frederick County, Maryland)
Built 1931
Through truss bridge over Monocacy River on MD 28
Open to traffic

Monona Township Stone Arch (Clayton County, Iowa)
Built 1899 by Frank Boyle, repace by a new bridge in 1998
Lost Stone culvert bridge over Unnamed Stream on 125th Street
Replaced by new bridge

Monongahela Incline (Allegheny County, Pennsylvania)
Built 1870; Renovated 1882-83, 1993 & 1994
Bridge up Mount Washington on Inclined Rail
Open to traffic

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

Monroe Street Bridge (Third) (Spokane County, Washington)
Built 1911; reconstructed 2005
Concrete arch bridge over Spokane River on Monroe Street in Spokane
Open to traffic

Montgomery Covered Bridge 45-08-14 (Lamoille County, Vermont)
Built 1896; Rehabilitated 1976
Covered Queenspost bridge over North Branch Lamoille River on C3014
Open to traffic

Montopolis Bridge (Travis County, Texas)
Built 1938
Camelback through truss bridge over Colorado River on US 183 Southbound Frontage Road in Austin
Open to traffic

Montserrat Recreation Demonstration Area Bridge (Johnson County, Missouri)
Built 1937 by the Works Progress Administration
Two-span culvert on SE 10 Road (Knob Noster State Park entrance road)
Open to traffic

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

Moore's Ford Bridge (Jones County, Iowa)
Built 1884 by Morse Bridge Company, Removed betwixt 2002 aerial imagery and the 2004 aerial imagery
Lost Pratt through truss bridge over White Water Creek on 25th Avenue
Demolished - Removed but not replaced

Moores Creek Bridge (St. Lucie County, Florida)
Built 1925; rehabilitated 1997
Concrete arch bridge over Moores Creek on North 2nd Street in Fort Pierce
Open to traffic

MoPac - East Barretts Tunnel (St. Louis County, Missouri)
Built 1851-1853; Abandoned 1944
Lost Tunnel on Missouri Pacific Railroad
Tunnel demolished in 2000's

MoPac - West Barretts Tunnel (St. Louis County, Missouri)
Built between 1851-53 by the Pacific (later MO Pacific) Railroad for a single broad gauge track; Gauge standardized in 1869. Tunnel remained in service until congestion caused the railroad to bypass the tracks via a cut 100' to the south in 1944.
Tunnel under a hill in Kirkwood, MO on former Missouri Pacific Railroad

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

Morel Bridge (Deer Lodge County, Montana)
Built 1914 by prision inmates in Montana as part of the "Good Roads Movement". Bridge abandoned in 1916 due to construction of mining settling ponds.
Marsh arch bridge over Silver Bow Creek on an abandoned county road
Open to pedestrians

Morgan Bridge (Shelby County, Tennessee)
Built 1905
Arch bridge over the BNSF Railroad on Dudley Street in Memphis
Open to traffic

Morgan Bridge (Madison County, Iowa)
Built 1891 by local contractor using King Iron Bridge Co. superstructure; originally carried local road over Branch of Clanton Creek
Pratt pony truss bridge
Open to pedestrians only

Morgan County Bridge #96 (Morgan County, Indiana)
Built 1895; rehabilitated 2002
Pony/through plate girder bridge over Branch of Lake Ditch on Ditch Road
Open to traffic

Morgan Covered Bridge 45-08-07 (Lamoille County, Vermont)
Built 1887; rehabilitated 1898 and 1980
Covered bridge over North Branch Lamoille River on Morgan Bridge Road in Belvidere
Open to traffic

Morris Road Bridge (Montgomery County, Pennsylvania)
Built 1841; rehabilitated 1916
Stone arch bridge over Wissahickon Creek on Morris Road near Fort Washington, PA
Open to traffic

Morrison Bridge (Multnomah County, Oregon)
Built 1958
Bascule bridge over Willamette River on Morrison Street in Portland
Open to traffic

Morrisville - Trenton Railroad Bridge (Mercer County, New Jersey)
Built 1903
Stone arch bridge over Delaware River on Amtrak Northeast Corridor
Open to traffic

Morton County WPA Bridge (Morton County, Kansas)
Built 1936 by the Works Progress Administration
Five-span stone arch bridge over a branch of Cimarron River, 4.0 mi. north and 6.0 mi. west of Richfield
Open to traffic

Morton-State Line Ridge Tunnel (Sevier County, Tennessee)
Built as one of 3 masonry-faced tunnels, along with bridges, on the New Found Gap Road
Tunnel under spur of State Line Ridge on U.S. 441 New Found Gap Road (formerly Indian Gap Highway), Great Smoky Mountains National Park, Tennessee
Open to traffic

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

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.

Mosquito Lake Road Bridge (Whatcom County, Washington)
Built 1915; Moved here and modified 1951; Rehabilitated in 2010
Through truss bridge over Middle Fork Nooksack River on Mosquito Lake Road
Open to traffic

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

Motor Mill Bridge (1899) (Clayton County, Iowa)
Built 1899, One span destroyed by flooding in 1991, the other in 2008. Replica spans installed in late 2012
Pratt through truss bridge over Turkey River on Galaxy Road
Destroyed by flooding in 2008; replica spans now in place and open to traffic

Mount Hope Bridge (Newport County, Rhode Island)
Built 1929 by the McClintic-Marshall Co.; rehabilitated 1985
Suspension bridge over Mount Hope Bay on RI 114 in Bristol
Open to traffic

Mount Olive Road Covered Bridge 35-82-04 (Vinton County, Ohio)
Built 1875 by G. W. Pilcher; rehabilitated 1963
Covered bridge over Middle Fork Salt Creek on TR 8 (Mt. Olive Road)
Open to pedestrians only

Mount Pleasant Covered Bridge 38-50-12 (Perry County, Pennsylvania)
Built 1918
Covered bridge over Shermans Creek on Mount Pleasant Road (TR 304)
Open to traffic

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

Mower Road Bridge (Saginaw County, Michigan)
Built 1920
Concrete pony/through girder bridge over Cole Drain on Mower Road
Open to traffic

Moxley Covered Bridge 45-09-01 (Orange County, Vermont)
Built 1883
Covered bridge over First Branch White River on Moxley Rd (C3068) in Chelsea
Open to traffic

MS 18 Bayou Pierre Bridge (Copiah County, Mississippi)
Built ca. 1940
Through truss bridge over Bayou Pierre on MS 18
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

Muddy Creek Bridge (Butler County, Kansas)
Built 1910
Two-span concrete arch bridge over Muddy Creek, 3.2 mi. east and 1.0 mi. north of Douglass
Open to traffic

Mueller Bridge (Wilson County, Texas)
Built 1915 by the Alamo Construction Company; Closed to traffic in 1988
Pony truss bridge over Cibolo Creek on CR 337
Closed to all traffic

Mulberry Creek Bridge (Fayette County, Texas)
Built 1888 by A.J. Tullock and Company; Replacement bridge built in 2001 and 1888 bridge relocated to a park in Schulenburg
Relocated Bedstead pony truss bridge. Formerly Hermis Road (CR 424) over Mulberry Creek
Relocated from Hermis Road (CR 424) to a park in Schulenburg and open to pedestrians.

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 River AR 23 Bridge (Franklin County, Arkansas)
Built 1935 by McEachin and McEachin, Inc., of Little Rock
Three-span pony truss bridge over Mulberry River on AR 23
Open to traffic

Mull Covered Bridge 35-72-01 (Sandusky County, Ohio)
Built 1851; made obsolete by new bridge in 1962 and closed to traffic
Covered bridge on CR 9 southwest of Fremont
Open to pedestrians only

Mulladay Hollow Bridge (Carroll County, Arkansas)
Built ca. 1935 by the Civilian Conservation Corps
Small two-span stone arch bridge over Mulladay Hollow Creek on CR 204 at Leatherwood Lake Recreation Area northwest of Eureka Springs in Eureka Springs
Open to traffic

Murray Morgan Bridge (Pierce County, Washington)
Opened Feb. 15, 1913; rehabilitated 1957; closed 2007; rehabilitated 2012-3
Vertical lift bridge over Foss Waterway on E. 11th Street in Tacoma
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

Nachitoch Bluff Bridge (Clark County, Arkansas)
Built 1908 by the Morava Construction Co.; rehabilitated 1980; closed to traffic ca. 1996
Derelict two-span through truss over Little Missouri River, just upstream from I-30
Abandoned, with deck partially missing

Nada Tunnel (Powell County, Kentucky)
Was constructed to haul logs via narrow gauge railroad from timber operations in the Gorge. Construction began in December 1910 and was completed in September 1911. Rock and dirt were removed by dynamite, steam drills and hand tools
Tunnel on KY 77
Open to traffic

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

Narrows Bridge (Bedford County, Pennsylvania)
Built 1935 by the Pittsburg Construction Co.
Open-spandrel arch bridge over Raystown Branch of Juniata River on US 30
Open to traffic

Narrows Covered Bridge 14-61-36 (Parke County, Indiana)
Built 1883, bypassed in 1966
Covered bridge over Sugar Creek on Old Narrows Road at Turkey Run State Park
Open to pedestrians only

Natural Bridge (Rockbridge County, Virginia)
Naturally formed bridge, Built c.150,000,000 BCE, that carries Rt. 11 over Cedar Creek
Arch bridge over Cedar Creek on South Lee Hway (Rt. 11)
Open to traffic

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

Navajo Bridge (Coconino County, Arizona)
Built 1927-1929; bypassed by parallel bridge in 1995
Steel arch bridge over Colorado River on Alt US 89
Open to pedestrians only

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

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's Mill Covered Bridge 38-36-22 (Lancaster County, Pennsylvania)
Built 1875
Covered bridge over Pequea Creek on Penn Grant Road
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 Mountain Covered Bridge 37-20-06 (Lane County, Oregon)
Built 1928; rehabilitated 1984
Covered Howe through truss bridge over Lake Creek on Nelson Mountain Road
Open to traffic

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

Neponset Valley Parkway Bridge (Suffolk County, Massachusetts)
Built 1849; rehabilitated 1932
Stone arch bridge over Neponset River on Neponset Valley Parkway
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 Baltimore Covered Bridge 38-56-09 #2 (Somerset County, Pennsylvania)
Replaced a covered bridge buit in 1879
Multiple Kingpost through truss bridge over Raystown Br of Juniata River on TR812 Town Hill Rd.
Open to traffic

New Blaine Bridge (Logan County, Arkansas)
Built 1929
Concrete tee beam bridge over Little Shoal Creek on AR 197
Open to traffic

New Bridge (Bergen County, New Jersey)
Built 1889 by the King Iron Bridge Co.; bypassed by upstream bridge in 1956; rehabilitated 2003
Swing pony truss bridge over Hackensack River on Old New Bridge Road/Main Street
Open to pedestrians only

New Germantown Covered Bridge 38-50-11 (Perry County, Pennsylvania)
Built 1891
Covered bridge over Shermans Creek on TR 302 (Lower Buck Ridge Rd)
Open to traffic

New Hampton Bridge (Hunterdon County, New Jersey)
Built 1868 by the Cowin Iron Works for the Pennsylvania Railroad
Iron pony truss bridge over Musconetcong River on Rymon Road
Open to traffic

New Harmony Bridge (Posey County, Indiana)
Built 1930, Ownership transferred to White County Bridge Commision in 1941.
Four-span through truss toll bridge over Wabash River on IL 14 at New Harmony, Indiana
Closed to traffic May 21, 2012

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 Portland Wire Bridge 19-13-S1 (Somerset County, Maine)
Built ca. 1866; rehabilitated 1961
Suspension bridge over Carrabasset River on Wire Bridge Road in New Portland
Open to traffic

New Richmond Bridge (Allegan County, Michigan)
Built 1879 by the Milwaukee Bridge & Iron Co.; closed to traffic 1997; rehabilitated as pedestrian bridge 2003
Pony truss swing bridge over Kalamazoo River on 57th Street
Open to pedestrians

New River Gorge Bridge (Fayette County, West Virginia)
Opened on October 22, 1977
Massive steel arch bridge over New River on US 19 east of Fayette
Open to traffic

New Troy Bridge (Berrien County, Michigan)
Built 1923
Concrete curved chord through girder bridge over Galien River on Avery Road/Mill Road
Open to pedestrians only

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

Newell Covered Bridge 45-12-10 (Washington County, Vermont)
Built 1872; rehabilitated 1979
Covered bridge over Cox Brook on Cox Brook Road (C2003) in Northfield Falls
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

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 Covered Bridge 14-83-04 (Vermillion County, Indiana)
Built 1885, rehabilitated 1983
Covered bridge over Little Vermillion River on CR 50 North
Open to traffic

Newton Falls Covered Bridge 35-78-01 (Trumbull County, Ohio)
Built ca. 1831; rehabilitated 2007
Covered bridge over East Branch Mahoning River on Arlington Street in Newton Falls
Open to traffic

Newton Street Bridge (Middlesex County, Massachusetts)
Built 1877; rehabilitated 1951
Stone arch bridge over Charles River on Newton Street
Open to traffic

Newtown Creek Bridge (Bucks County, Pennsylvania)
Built in 1875 by S. R. Wilcus
Stone arch bridge over Newtown Creek on Center Street in Newtown
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)

NH - Lyman Viaduct (New London County, Connecticut)
Built 1871-73, buried by fill in 1912-13, railroad abandoned in 1965
Buried Deck truss bridge over Dickinson Creek on former New Haven, Middletown and Willimantic Railroad
Filled in

NH - Rapallo Viaduct (Middlesex County, Connecticut)
Built 1873, buried by fill in 1912-13, railroad abandoned in 1965
Buried Deck truss bridge over Flat Brook on former New Haven, Middletown and Willimantic Railroad
Filled in

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