There are 13,163 bridges in this category · Only showing 6,736 bridges with photos
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Beam

MAW - Maumee River Bridge (Defiance County, Ohio)
(Main design: Pratt through truss)
Built 1893
Pratt through truss bridge over Maumee River on Maumee and Western Railroad
Open to rail traffic

Maxwell Boulevard Bridge (Montgomery County, Alabama)
Built 1935
Steel stringer bridge over SCL LN RR on Maxwell Blvd
Open to traffic

Maxwell Creek Bridge (Madison County, Arkansas)
Built 1934
Steel stringer bridge over Maxwell Creek on AR 21
Open to traffic

Maxwell Crossing Bridge (Grant Parish, Louisiana)
Built 1930 on original allignment of US 165
Concrete tee beam bridge over Unnamed creek on Maxwell Crossing / Old US 165
Open to traffic

Maynard Street Bridge (Replacement) (Lycoming County, Pennsylvania)
Stringer bridge over MAYNARD STREET
Open to traffic

Mayowood Bridge (Olmsted County, Minnesota)
Built 1934; Closed Dec. 26th, 2006 - Awaiting funding for rehabilitation since 2007
Steel stringer bridge over S Fork Zumbro R (Dam) on CR 125
Replaced by a new bridge

Mazourka Canyon Road Bridge (Inyo County, California)
Built 1919; rehabilitated 1947
Steel stringer bridge over Los Angeles Aqueduct on Mazourka Canyon Road
Open to traffic

MBTA - Lechmere Viaduct (Middlesex County, Massachusetts)
(Main design: Ribbed closed-spandrel arch)
Built 1910
Closed-spandrel arch bridge over Charles River, Museum Way, and Charlestown Avenue on MBTA Green Line
Open to traffic

MBTA - North Station Charles River Bridges (Middlesex County, Massachusetts)
(Main design: Baltimore through truss)
Built 1931, two bridges removed at a later date
Baltimore through truss bridge over Charles River on MBTA North Station Leads
Open to traffic

MBTA - Washington Street Overpass (Middlesex County, Massachusetts)
Built 1927 by Boston Bridge Works
Steel stringer bridge over Washington Street on MBTA Lowell Line and Future Green Line Extension
Open to traffic

MC/Big Four Overpass (Berrien County, Michigan)
Lost Timber stringer bridge over Big Four Railroad on Michigan Central Railroad
Removed

McBride Covered Bridge (Madison County, Iowa)
(Main design: Town lattice truss)
Built in 1871 by Benton Jones; destroyed by arson in 1983 and replaced.
Lost Lattice through truss bridge over North River on McBride Bridge Road (now McBride Road)
Destroyed by fire

McCarthy Creek Bridge (Multnomah County, Oregon)
Built 1920
Abandoned concrete stringer bridge over McCarthy Creek on Abandoned U.S. 30 Alignment
Abandoned

McCaslin Branch Bridge (Crawford County, Arkansas)
Built 1942
Concrete stringer bridge over McCaslin Branch on CR 29 (Old 12 Cross Roads)
Open to traffic

McCaslin Brook Trestle (Oconto County, Wisconsin)
(Main design: Deck girder)
Deck girder bridge over McCaslin Brook on Bike/ATV/Snowmobile trail (on RR grade)
Open to traffic

McCausland Avenue UPRR Bridge (St. Louis, Missouri)
Built 1958; replaced 1992 by a new bridge on a new alignment of the railroad
Lost steel stringer bridge over McCausland Avenue on the Union Pacific Railroad, just south of Manchester Avenue in St. Louis
Replaced by new bridge

McClaren Road Bridge (Allegheny County, Pennsylvania)
Built 1948
Concrete tee beam bridge over Montour Run on McClaren Road
Open to traffic

McClellan Street - US 9 Overpass (Essex County, New Jersey)
Built 1946; Reconstructed 1994
Steel stringer bridge over US 9 on McClellan Street
Open to traffic

McCloud Run Bridge (Linn County, Iowa)
Replaced 2017
Lost steel stringer bridge over McCloud Run on McCloud Place NE
Replaced by a new bridge

McCord Street Overpass (Marion County, Illinois)
Built 1986 as a project to put IL 161 on a new alignment in Centralia
Steel stringer bridge over Illinois Central Railroad and Hickory Street on IL 161 WB in Centralia
Open to traffic

McCoy Bridge (Macon County, North Carolina)
(Main design: Pratt through truss)
Built ca. 1915, truss span possibly relocated here in the 1940s and rehabilitated in 1960.
Through truss bridge over Little Tennessee River on NC 1456
Open to traffic

McCoy Creek Bridge (Mendocino County, California)
Built 1935; rehabilitated 1957
Timber stringer bridge over Mc Coy Creek on State Route 271
Open to traffic

McCoy Creek Bridge (St. Charles County, Missouri)
Bridge over McCoy Creek on Mette Road
Open to traffic

McCoy Creek Myrtle Avenue Bridge (Duval County, Florida)
Built 1930
1930 Concrete tee beam bridge over McCoy Creek on Myrtle Ave
Open to traffic

McDaniel Branch Lancaster and Chester Railroad Bridge (Chester County, South Carolina)
(Main design: Pony/through plate girder)
Built 1923
Pony/through plate girder bridge over McDaniel Branch on LCRR
Open to traffic

McDaniel Lake Bridge (Greene County, Missouri)
Built 1929
Concrete bridge over McDaniel Lake on Farm Road 76
Closed to vehicle traffic after failing an inspection Dec. 15, 2010

Mcdonough Boulevard Bridge (Fulton County, Georgia)
Built 1924
Concrete tee beam bridge over Norfolk Southern Railroad on Mcdonough Blvd.
Open to traffic

Mcdowell Creek Bridge (Linn County, Oregon)
Built 1961
Concrete tee beam bridge over Mcdowell Creek on Mcdowell Cr Road
Open to traffic

McGirr Rd Bridge (De Kalb County, Illinois)
Built 1954
Steel stringer bridge over S. Branch Kishwaukee River on Mcgirr Road
Open to traffic

McGlothin Road Bridge (Lauderdale County, Mississippi)
Built 1998
Timber stringer bridge over Little Creek on McGlothin Road


McIlvane Road I-70 Overpass (Washington County, Pennsylvania)
Built 1956; replaced 2010
Lost Beam bridge over I-70 on McIlvane Road (TR 818)
Replaced by a new bridge

MCINTOSH RD 614 over SANDY CR (Lincoln County, Missouri)
Bridge over Sandy Creek on McIntosh Road
Open to traffic

MCINTOSH RD 645 over SANDY CR (Lincoln County, Missouri)
Built 2005
Bridge on McIntosh Rd over Sandy Creek
Open to traffic

MCINTOSH RD over BR OF SANDY CR (Lincoln County, Missouri)
Bridge over Branch of Sandy Creek on McIntosh Road
Open to traffic

Mckay Creek Bridge (Umatilla County, Oregon)
Built 1923
Stringer bridge over Mckay Creek on Schroeder Road (Old US 395)
Open to traffic

McKee Road Bridge (Estill County, Kentucky)
Built 1959
Concrete tee beam bridge over Station Camp Creek on KY-89
Open to traffic

McKeown Bridge (Muscatine County, Iowa)
Built 1951
Haunched steel stringer bridge over Cedar River on Former alignment of 231st Street
Intact but closed to vehicular traffic.

McKinley Bridge (St. Louis, Missouri)
(Main design: Pennsylvania through truss)
Built 1910, closed to traffic in October 2001, reopened in 2007
Through truss bridge over the Mississippi River at St. Louis
Open to traffic

McKinney Bayou Old US 67 Bridge (Miller County, Arkansas)
Built 1929 by contractor McGuire & Cavender. Made obsolete 1954 by a new parallel alignment of US 67.
Concrete bridge over McKinney Bayou on Old US 67 northeast of Texarkana
Open to traffic on a frontage road

McKinney Creek Bridge (Placer County, California)
Built 1950
Timber stringer bridge over Mckinney Creek on Mckinney Creek Road in Homewood
Open to traffic

McKnight Road Bridge (Carver County, Minnesota)
(Main design: Pony/through plate girder)
Built date unknown in Madrid, Iowa; rebuilt 1913 and relocated here, closed 2009
Pony/through plate girder bridge over TC&W RR on McKnight Road
Intact but closed to all traffic, scheduled to be replaced in the coming years

McLennan Reed Bridge (Lake County, Illinois)
Built 1979
Steel stringer bridge over ravine on Lake Road
Open to traffic

MD222 Octoraro Creek Bridge (Cecil County, Maryland)
build date unknown, rehabilitated in 1930
Steel stringer bridge over Octoraro Creek on Md 222
Open to traffic

ME-127 Overpass (Sagadahoc County, Maine)
Built 1949; rehabilitated 1986
Steel stringer bridge over Mdot Rr on Route 127
Open to traffic

Meadow Road Bridge (Coos County, New Hampshire)
(Main design: Pratt through truss)
Built 1897 by the Groton Bridge Co..; Bypassed in 1984; Two center spans removed from river and placed on banks in 2004
Pin connected Pratt through truss bridge over Androscoggin River in Shelburne
Closed to all traffic

Mears Creek Bridge (Shasta County, California)
Built 1929
Concrete tee beam bridge over Mears Creek on Mears Ridge Road (Old U.S. 99)
Open to traffic

Meatpacking Bridge (Denver County, Colorado)
(Main design: Pratt pony truss)
Abandoned pratt pony truss bridge over South Platte River, Spur railroad on Industrial meat packing chute
Abandoned

Mebane Oaks Road Haw Creek Bridge (Alamance County, North Carolina)
Built 1941
Steel stringer bridge over Haw Creek on SR 1007 (Mebane Oaks Road)
Open to traffic

MEC - Androscoggin River Reservoir Bridge (Androscoggin County, Maine)
(Main design: Deck plate girder)
Built 1901
Abandoned bridge
Derelict/abandoned

Medina River Bridge (Bexar County, Texas)
(Main design: Truss)
Built ca. 1930
Lost Truss bridge over Medina River on Old Quintana Rd
Removed but not replaced

Medio Creek Bridge (Bexar County, Texas)
Built ca 1930
Concrete stringer bridge over Medio Creek on Abandoned Rd
Open to traffic

Medomak River Bridge (Lincoln County, Maine)
Built 1952
Steel stringer bridge over Medomak River on Mill Street
Open to traffic

Meeks Road Bridge (Dade County, Georgia)
Cable-stayed steel stringer bridge over Lookout Creek on Meeks Road (County Rd. 116)
Open to traffic

Mehaffey Bridge (Old) (Johnson County, Iowa)
Built 1963; replaced 2014
Lost Steel stringer bridge over Iowa River (Coralville Resevoir) on Fm Mehaffey Bridge Road
Replaced by a new bridge

Mehaffey Bridge (Older) (Johnson County, Iowa)
(Main design: Pratt through truss)
Built 1896; Removed 1959
Lost Pratt through truss bridge over Iowa River on Johnson County Road Y
Replaced by a new bridge

MEIER RD 861 over BOB'S CR (Lincoln County, Missouri)
Bridge over Bob's Creek on Meier Road
Open to traffic

MEIER RD 861 over BRUSHY FK OF BOB'S (Lincoln County, Missouri)
Bridge over Brushy Fork Bob's Creek on Meier Road
Open to traffic

Meister Creek Bridge (Lincoln County, Missouri)
Bridge over MEISTER CREEK on MENNEMEYER RD 753
Open to traffic

Melinda Ferry Bridge (Hawkins County, Tennessee)
Built 1985
Steel stringer bridge over Holston River (Cherokee Lake) on State Highway 344 (Melinda Ferry Road)
Open to traffic

Melvin River Bridge (Carroll County, New Hampshire)
Built 1936
Wooden bridge over Melvin River on County Road (County Rd) (County Rd) in Tuftonboro
Open to traffic

Memorial Bridge (Jefferson County, Wisconsin)
Built 1994
Stringer bridge over Rock River on WI Hwy. 19-Main Street
Open to traffic

Memorial Bridge (Waldo County, Maine)
Built 1921, reopened as a pedestrian bridge in 2010
Steel stringer bridge over Passagassawakeag River on a pedestrian trail (former Route 1) in Belfast
Open to traffic

Memorial Bridge (New) (Rockingham County, New Hampshire)
(Main design: Warren through truss with no verticals)
Built 2012-13, Opened August 2013
Through truss bridge over Piscatiqua River on US 1
Open

Memorial Park Covered Bridge 25-14-a (Callaway County, Missouri)
Built ca. 2000
Modern covered bridge over Stinson Creek on walking trail (formerly Nichols St.) in Memorial Park in Fulton
Open to pedestrians only

Mendenhall Creek Bridge (Josephine County, Oregon)
Built 1926
Concrete deck girder bridge over Mendenhall Creek on Old Highway 199
Open to traffic

Mendenhall River Bridge (Juneau Borough, Alaska)
(Main design: Kingpost through truss)
Built 1919; replaced 1931
Lost Kingpost through truss bridge over Mendenhall River on Glacier Highway
Replaced by a new bridge

Meramec Crossing Hog Trough Bridge (Crawford County, Missouri)
Replaced by a concrete bridge in 1994
Lost wooden "hog trough" bridge over Meramec River on Cave Road at Onondaga Cave State Park, beyond the end of Route H
Replaced by new bridge

MERC - Severn River Swing Bridge (Old) (Anne Arundel County, Maryland)
(Main design: Deck plate girder)
Built 1887; Replaced 1913
Lost deck plate girder bridge over Severn River on Maryland Electric Railways Co.
Destroyed by collision

Merchants Row railroad overpass (Addison County, Vermont)
Built 1920; demolished 2017
Steel stringer bridge over Vermont railway on Merchants Row
Demolished

MERR - Marsh River Bridge (Lincoln County, Maine)
Steel stringer bridge over Marsh River on Maine Eastern
Open to traffic

MERR - Old Arrowsic Road Overpass (Sagadahoc County, Maine)
Built 1926
Steel stringer bridge over Old Arrowsic Road on Maine Easterm Railroad
Open to traffic

MERR- US1 Overpass (Cumberland County, Maine)
Built 1961
Bridge over US1 on Maine Eastern Railroad
Open to traffic

Merriam Street Bridge (Walla Walla County, Washington)
Built 1924
Bridge over Mill Creek Floodway on Merriam Street
Open to traffic

Merrill "No Name" Bridge (Lincoln County, Wisconsin)
(Main design: Pony/through plate girder)
Built 1914
Pony/through plate girder bridge over Prairie River on Riverbend Trail
Open to pedestrians only

Merrill Railroad Bridge (Lincoln County, Wisconsin)
(Main design: Pratt through truss)
Built 1914 using a relocated 1895 Truss
Abandoned pratt through truss bridge over Wisconsin River on Abandoned Milwaukee Road
Abandoned

Merritt Bridge (Douglas County, Missouri)
Built 1934
Steel stringer bridge over Little Beaver Creek on Route T
Open to traffic

Merritt Parkway Lapham Road Bridge (Fairfield County, Connecticut)
Concrete stringer bridge over Merritt Prky on Lapham Rd
Open to traffic

Mesilla Bridge (Dona Ana County, New Mexico)
Built 1960
Steel stringer bridge over Rio Grande on NM-359
Open to traffic

Mexican Canyon Trestle (Otero County, New Mexico)
Built 1899; abandoned 1948
Large wooden trestle on the former Alamogordo & Sacramento Mountain Railroad near Cloudcroft
Derelict, but scheduled for rehabilitation in 2007-08

Miami & Erie Canal Bridge (Hamilton County, Ohio)
Filled in
Lost Beam bridge over Miami & Erie Canal on Mohawk Place/ Street
No longer exists filled in

Midand Valley - Old OK 9 Loop Overpass (Haskell County, Oklahoma)
Built circa 1903, Bypassed 1970 by bridge on new alignment
Concrete stringer bridge over Old OK 9 Loop on Midland Valley Railroad
Abandoned

Middle Cedar Creek Bridge (Smith County, Kansas)
(Main design: Half-hip Pratt pony truss)
Built 1900, bypassed 2000
Pony truss bridge over Middle Cedar Creek, 1.0 mi. north and 1.0 mi. west of Kensington
Intact but closed to all traffic

Middle Creek Bridge (Allen County, Kansas)
Built 1935
Steel stringer bridge over Middle Creek on West Virginia Road
Open to traffic

Middle Creek Bridge (Morgan County, Tennessee)
Bridge over Middle Creek on KY Hwy 62
Open to traffic

Middle Fork Coquille River Covered Bridge 37-10-29x (Douglas County, Oregon)
(Main design: Howe through truss)
Built 1922, Replaced 1948
Lost covered Howe through truss bridge over Middle Fork Coquille River on OR 42
Replaced by new bridge

Middle Fork Old US 36 Bridge (Macon County, Missouri)
Built 1925
Concrete tee beam bridge over Middle Fork Chariton River on Old US 36
Open to traffic

Middle Fork Saline River Bridge (Perry County, Arkansas)
Built 1933
Concrete tee beam bridge over Middle Fork Saline River on Sh 7
Open to traffic

Middle Fork Saline River Bridge (Garland County, Arkansas)
Built 1933
Concrete tee beam bridge over Middle Fork Saline River on SH 7
Open to traffic

Middle Fork. Beargrass Cre Bridge (Jefferson County, Kentucky)
Built 1940
Concrete tee beam bridge over Middle Fork. Beargrass Cre on Lyndon Lane
Open to traffic

Middle Nemah River Bridge (Pacific County, Washington)
Built 1939; removed 2013
Lost timber stringer bridge over Middle Nemah River on US 101
Replaced by a new bridge

Middle Pitman Creek Bridge (Taylor County, Kentucky)
Built 1952
Concrete tee beam bridge over Middle Pitman Creek on KY-289
Open to traffic

Middle River CR 435 Bridge (Callaway County, Missouri)
Built ca. 1955
Stringer bridge over Middle River on CR 435
Open to traffic

Midland Valley - Georges Fork Creek Bridge (Muskogee County, Oklahoma)
(Main design: Warren deck truss with alternating verticals)
Probably built circa 1903-1906
Warren deck truss bridge over Georges Fork Creek on Midland Valley Railroad (abandoned)
Closed to all traffic

Midland Valley - Old US266 Overpass (Muskogee County, Oklahoma)
Built ca. 1940, removed after 2015.
Abandoned steel stringer bridge over Old U.S. 266 on Midland Valley Railroad (abandoned)
Removed

Midtown Bridge (Bergen County, New Jersey)
(Main design: Pratt through truss)
Built 1900; Trolley service ended 1938; Converted to road use 1940; Replaced 2018
Lost Pratt through truss bridge over Hackensack River on Public Service Corporation of New Jersey
No longer exists

Midtown Greenway Lake of The Isles Bridge (Hennepin County, Minnesota)
(Main design: Slab)
Built 1912, Rehabilitated 2011
Slab bridge over Lake Of The Isles on Midtown Greenway
Open to pedestrians only

Mildred Kerley Bridge (De Kalb County, Alabama)
Built 1920
Timber stringer bridge over Little Wills Creek on North Valley Road
Open to traffic

Mile Bridge (Winnebago County, Wisconsin)
Built 1862; Piles replaced 1874; Replaced 1910
Timber stringer bridge over Little Lake Butte des Morts on Chicago & North Western Railway
Replaced by a new bridge

Mile Load Road Bridge (Fulton County, Illinois)
(Main design: Pratt deck truss)
Deck truss bridge over the BNSF Railroad on Mile Load Road (TR 42)
Open to traffic, one lane, 10 ton weight limit

Mile Long Bridge (Polk County, Iowa)
Built 1973; Abutments rebuilt 2014
Steel stringer bridge over Saylorville Lake (Des Moines river) on Iowa Highway 415
Open to traffic