There are 10,971 bridges in this category · Only showing 5,568 bridges with photos
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Owned by state

McKnight Road Bridge (St. Louis County, Missouri)
Built 1940; replaced 2008-09
Lost concrete rigid frame bridge over I-64/US 40 on McKnight Road
Replaced by new bridge

McLean Branch MO 79 Bridge (Lincoln County, Missouri)
Built 1938
Through truss bridge over McLean Branch on MO 79 at Winfield
Open to traffic

McLoughlin Boulevard Pedestrian Bridge (Clackamas County, Oregon)
Built 2006
Steel through arch bridge over McLoughlin Boulevard (OR-99E) on Springwater Trail in Milwaukie
Open to pedestrians

McMillin Bridge (Pierce County, Washington)
Built 1934
Concrete truss bridge over Puyallup River on WA 162 in McMillin
Open to traffic

McPherson's Ford Bridge (Alleghany County, Virginia)
Built 1896; Rehabilitated in 1948
Through truss bridge over Cowpasture River on Route 633 (McKinney Hollow Rd)
Open to traffic

MD90 Intracoastal Waterway Bridge (Worcester County, Maryland)
Lost Deck plate girder bridge over Intracoastal Waterway on Route 90 Ocean City Expressway
No longer exists

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)
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

Meadowbrook Run Bridge (Delaware County, Pennsylvania)
Built 1905
Closed-spandrel arch bridge over Meadowbrook Run on South Bryn Mawr Avenue
Open to traffic

Meadowview Drive Bridge (York County, Pennsylvania)
Built 1890. Possibly Rehabilitated/Moved 1930.
Pratt pony truss bridge over North Branch Bermudian Creek on PA 4038 (Meadowview Drive)
Open to traffic

Mean's Ford Bridge 38-09-P1 (Bucks County, Pennsylvania)
HAER says built 1860s; rehabilitated 1993. One of seven of this type in 2005 per HAER See also Meeting House Bridge in Maine
Boxed Howe Pony Truss bridge over Tohickon Creek on Stover Park Road in Ralph Stover State Park
Closed to all traffic except emergency vehicles, foot and pedal traffic

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

Medomak River Bridge (Lincoln County, Maine)
Built 1922
Slab bridge over Medomak River on Cross Street
Open to traffic

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

Medora Covered Bridge 14-36-04 (Jackson County, Indiana)
Built 1875, closed to vehicle traffic in 1972, restored in 2011
Three-span covered bridge over East Fork White River just off IN 235, east of Medora
Open to pedestrians only

Meems Bottom Covered Bridge 46-82-01 (Shenandoah County, Virginia)
Built 1893; Damaged by Arson 1976; Restored 1979
Covered bridge over N Fork Shenandoah River on Wissler Road near Mount Jackson
Open to traffic

Megunticook River Bridge (Knox County, Maine)
Built 1999
Closed spandrel arch bridge over Megunticook River on Route 105
Open to traffic

Meighen Bridge (Marshall County, West Virginia)
Built 1913 by the York Bridge Co.
Through truss bridge over Fish Creek on CR 7/4 (Fish Creek Road)
Open to traffic

Meiser/Globe Mills Bridge (Snyder County, Pennsylvania)
Built 1941; rehabilitated 1995 and 2011
Through truss bridge over Middle Creek on PA 1007
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

Melrose Bridge (Jackson County, Wisconsin)
Built 1922 by Worden-Allen Co.; Replaced 1985
Lost Pennsylvania through truss bridge over Black River on STH 71, STH 108 in Town of Melrose
Replaced by new bridge

Melugins Grove Road Bridge (Lee County, Illinois)
Built 1938
Slab bridge over Unnamed drainage ditch on Melugins Grove Road
Open to traffic

Melville Ferry (St. Landry Parish, Louisiana)
Closed 2010
Ferry across Atchafalaya River on LA 10 (formerly US 71)
Closed

Memorial Bridge (Lawrence County, Illinois)
Finished October 15, 1932 for $258,981.34; rehabilitated 1992
Open-spandrel arch bridge over Wabash River on Business US 50 at Vincennes
Open to traffic

Memorial Bridge (Kennebec County, Maine)
Built 1949; rehabilitated 1984
Deck truss bridge over Kennebec River on ME 100/US 201/US 202 in Augusta
Open to traffic

Memorial Bridge (Oxford County, Maine)
Built 1929; rehabilitated 1999
Concrete arch bridge over West Channel Androscoggin River on Portland Street in Rumford
Open to traffic

Memorial Bridge (Manistee County, Michigan)
Built 1933; rehabilitated 2005
Bascule bridge over Manistee River on US 31 in Manistee
Open to traffic

Memorial Bridge (Old) (Rockingham County, New Hampshire)
Built 1923, rehabilitated 1982, closed to vehicle traffic in 2011
Vertical lift bridge over Piscataqua River on US 1 in Portsmouth
Demolished.

Memorial Tunnel (Kanawha County, West Virginia)
Built in 1954 and closed to vehicular traffic in 1987, it is now utilized by the Center For National Response as an anti-terrorism training facility
Tunnel on Old I-64 Old I-77
Intact but closed to all traffic

Memphis-Arkansas Bridge (Shelby County, Tennessee)
Built 1949
Cantilevered through truss bridge over the Mississippi River on I-55 at Memphis
Open to four lanes of traffic

Mendota Bridge (Dakota County, Minnesota)
Built 1926; rehabilitated 1992
Concrete arch bridge over Minnesota River on MN 55 in Mendota Heights
Open to traffic

Meramec River MO 19 Bridge (Crawford County, Missouri)
Built 1925 by the Federal Bridge Co.; replaced 2000
Lost five-span closed-spandrel arch bridge over Meramec River on MO 19
Replaced by a modern bridge

Meramec River MO 21 Bridge (St. Louis County, Missouri)
Built 1940; rehabilitated 2010
Steel through arch bridge over the Meramec River on Tesson Ferry Road (Missouri State Highway 21) at the St. Louis / Jefferson County line
Open to four lanes of traffic

Meramec River MO 30 / 47 Bridge (Franklin County, Missouri)
Built 1929-30 by M. E. Gillioz; replaced 2002
Lost five-span open-spandrel arch bridge over the Meramec River on Missouri State Highway 30 / 47
Replaced by bridge on new alignment

Meredosia Bridge (Morgan County, Illinois)
Built 1936; rehabilitated 1984
Cantilevered through truss bridge over the Illinois River on IL 104 at Meredosia
Open to traffic

Meridian Bridge (Sutter County, California)
Built 1977
Swing bridge over Sacramento Riv(Meridian) on CA 20
Open to traffic

Meridian Bridge (Yankton County, South Dakota)
Built 1924; rehabilitated 1953; bypassed by Discovery Bridge in 2008
Vertical-lift through truss bridge over the Missouri River on US 81 at Yankton
Closed to traffic

Meridian State Park Bridges (Bosque County, Texas)
Bridges constructed by the Civilian Conservation Corps
Bridges over feeder streams of Lake Meridian on Texas State Park Road 7
Open

Meridian Street Bridge (Jay County, Indiana)
Built 1914; rehabilitated 1997
Arch bridge over Salamonie River on US 27 in Portland
Open to traffic

Meridian Street Bridge (Pierce County, Washington)
Built 1925; rehabilitated 1951
Through truss bridge over Puyallup River on WA 167 in Puyallup
Open to traffic with weight restrictions

MERR - Elm Street Overpass (Sagadahoc County, Maine)
Built 1920
Deck plate girder bridge over Elm Street (Rte 24) on Maine Easterm Railroad
Open to traffic

MERR - Kennebec River Bridge (Augusta) (Kennebec County, Maine)
Built 1913
Warren deck truss bridge over Kennebec River on Maine Central Railroad
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 - Old Brunswick Road Overpass (Sagadahoc County, Maine)
Built 1916
Pony/through plate girder bridge over Old Brunswick Road (Sa10) on Maine Easterm Railroad
Open to traffic

MERR - Water Street Overpass (Kennebec County, Maine)
Built 1914
Plate girder bridge over Water Street (US 201) on Maine Eastern Railroad in Hallowell
Open to traffic

MERR River Road Overpass (Sagadahoc County, Maine)
Built 1903
Pony/through plate girder bridge over ME 24 (River Road) on Maine Eastern Railroad
Open to traffic

Merrimac Ferry (Columbia County, Wisconsin)
Privately owned, free ferry from 1844 to 1923, operated by State of Wisconsin since 1933 as a free ferry
Ferry across Wisconsin River on Wis 113
Open to traffic

Merrimack River Bridge (Essex County, Massachusetts)
Built 1850; rehabilitated 1966
Swing bridge over Merrimack River on Main Street in Amesbury
Open to traffic

Merrimack River Bridge (Essex County, Massachusetts)
Built 1954
Through arch bridge over Merrimack River on I-95 in Amesbury
Open to traffic

Merrimack River Bridge (Essex County, Massachusetts)
Built 1976
Bascule bridge over Merrimack River on US 1 (Bridge Road) in Newburyport
Open to traffic

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

Merritt Parkway - Norwalk River Bridge (Fairfield County, Connecticut)
Built 1938; rehabilitated 1988
Concrete arch bridge over Norwalk River on Merritt Parkway (CT 15) in Norwalk
Open to traffic

Merritt Parkway over Bayberry Lane Bridge (Fairfield County, Connecticut)
Built 1939
Concrete arch bridge over Bayberry Lane on Merritt Parkway (CT 15) in Westport
Open to traffic

Merritt Parkway over Black Rock Turnpike Bridge (Fairfield County, Connecticut)
Built 1938
Concrete rigid frame bridge over Black Rock Turnpike (CT 58) on Merritt Parkway (CT 15)
Open to traffic

Merritt Parkway over Chestnut Hill Road Bridge (Fairfield County, Connecticut)
Built 1937
Concrete arch bridge over Chestnut Hill Road (CT 53) on Merritt Parkway (CT 15) in Norwalk
Open to traffic

Merritt Parkway over Cross Highway Bridge (Fairfield County, Connecticut)
Built 1938
Concrete arch bridge over Cross Highway on Merritt Parkway (CT 15) in Fairfield
Open to traffic

Merritt Parkway over Huntington Road Bridge (Fairfield County, Connecticut)
Built 1940
Rigid frame bridge over Huntington Road on the Merritt Parkway (CT 15)
Open to traffic above and below

Merritt Parkway over Taconic Road Bridge (Fairfield County, Connecticut)
Built 1936
Concrete arch bridge over Taconic Road on Merritt Parkway (CT 15) in Greenwich
Open to traffic

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

Messmer Street Bridge (Scott County, Missouri)
Built 1919 by contractor Stanford Madden
Concrete bridge on Messmer Street (Old US 61) over a branch of Ramsey Creek just north of Kelso
Open to traffic

Methow River Bridge (Okanogan County, Washington)
Built 1950
Through truss bridge over Methow River on WA 153
Open to traffic

Methow River Bridge (Okanogan County, Washington)
Built 1929; rehabilitated 1950
Through truss bridge over Methow River on WA 20 in Winthrop
Open to traffic

Metropolitan Park Commission Bridge (Essex County, Massachusetts)
Lost Deck plate girder bridge over Saugus River on Route 107
No longer exists

Miami & Erie Canal Bridge (Lucas County, Ohio)
Lost Deck plate girder bridge over Miami & Erie Canal on Route 25
No longer exists

Miami Bridge (Saline County, Missouri)
Built 1939; rehabilitated 1983; closed to traffic Oct. 5, 2009; channel span demolished Oct. 27, 2009
Lost cantilevered through truss bridge over the Missouri River on MO 41 at Miami
Superstructure demolished

Miami Creek MO 52 Bridge (Bates County, Missouri)
Built 1924; replaced 2012
Lost through truss bridge over Miami Creek on MO 52
Replaced by a new bridge

Miami River Bridge (Miami-Dade County, Florida)
Built 1950
Bascule bridge over Miami River on NW 36th Street in Hialeah
Open to traffic

Miami River Bridge (Miami-Dade County, Florida)
Built 1929
Bascule bridge over Miami River on NW 7th Avenue (SR 7) in Miami
Open to traffic

Miami River Bridge (Miami-Dade County, Florida)
Built 1928; rehabilitated 1956
Bascule bridge over Miami River on NW 12th Avenue in Miami
Open to traffic

Miami River Bridge (Miami-Dade County, Florida)
Built 1997
Pair of bascule bridges over Miami River on FL 9 (NW 27th Avenue) in Miami
Open to traffic

Michigan Street Bridge (Carroll County, Indiana)
Built 1923, replaced in 1960
Lost concrete arch bridge over Wildcat Creek on Michigan Street
Replaced by new bridge

Middle Fabius River MO 16 Bridge (Lewis County, Missouri)
Built 1930
Pony truss bridge over Middle Fabius River on MO 16
Open to traffic

Middle Fabius River Route H Bridge (Lewis County, Missouri)
Built 1961
Pony truss bridge over Middle Fabius River on Route H
Open to traffic

Middle Fork AR 7 Bridge (Garland County, Arkansas)
Built 1933 by the Ault-Rich Construction Co. of Cassville, Missouri
Two-span open-spandrel arch bridge over Middle Fork Saline River on AR 7
Open to two-lane traffic

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

Middle Fork Grand River Route YY Bridge (Worth County, Missouri)
Built 1927
Pony truss bridge over Middle Fork Grand River on Route YY (formerly MO 29)
Open to traffic

Middle Fork IN 75 Bridge (Carroll County, Indiana)
Built 1942
Concrete arch bridge over Middle Fork Wildcat Creek on IN 75
Open to traffic

Middle Fork Kentucky River KY 30 Bridge (Breathitt County, Kentucky)
Built 1935
Pratt through truss bridge over Middle Fork Kentucky River on KY 30
Open to traffic

Middle Fork River Bridge (Barbour County, West Virginia)
Built 1914
Concrete arch bridge over Middle Fork River
Open to traffic

Middle Fork River Bridge (Randolph County, West Virginia)
Built 1909
Through truss bridge over Middle Fork River on CR 20
Open to traffic

Middle Fork River Bridge (Upshur County, West Virginia)
Built in 1893 by the Canton Bridge Company of Canton, Ohio
Through truss bridge over Middle Fork River on CR 5/26
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 Smith River Bridge (Del Norte County, California)
Built 1925; rehabilitated 1972
Concrete arch bridge over Middle Fork Smith River on US 199
Open to traffic

Middle Fork Wildcat Creek IN 26 Bridge (Howard County, Indiana)
Built 1933; rehabilitated 1992
Concrete arch bridge over Middle Fork Wildcat Creek on IN 26
Open to traffic

Middle Matilija Tunnel (Ventura County, California)
Built 1931
Middle Matilija Tunnel on State Route 33
Open to traffic

Middle Middle Pearl River US 90 Bridge (St. Tammany Parish, Louisiana)
Built 1933
Pony truss bridge over Middle Middle Pearl River on US 90
Open to traffic

Middle Nemah River Bridge (Pacific County, Washington)
Built 1939
Timber stringer bridge over Middle Nemah River on US 101
Open to traffic

Middle River Bridge (San Joaquin County, California)
Built 1915; rehabilitated 1975
Howe Through truss bridge over Middle River on CA 4
Open to traffic

Middle River Route 703 Bridge (Augusta County, Virginia)
Built 1915
Pony truss bridge over Middle River on Hewitt Rd (Route 703)
Open to traffic

Middle River Route 774 Bridge (Augusta County, Virginia)
Built 1903 by the Brackett Bridge Co.; Replaced 2010
Lost Pratt through truss bridge over Middle River on Cline River Road (Route 774)
Replaced by new bridge

Middle Spring Creek Bridge (Cumberland County, Pennsylvania)
Built 1911 by the Ferro Concrete Co.
Concrete arch bridge over Middle Spring Creek on US 11 in Shippensburg
Open to traffic

Middle Yuba River Bridge (Sierra County, California)
Lost Warren pony truss bridge over Middle Yuba River on Unnamed Dirt Road
Collapsed

Middleport Bridge (Niagara County, New York)
Built 1915; rehabilitated 1974
Vertical lift bridge over Erie Canal on NY 271 in Middleport
Open to traffic

Midgley Bridge (Coconino County, Arizona)
Built 1938
Steel arch bridge over Wilson Canyon on AZ A89
Open to traffic

Mike O'Callaghan - Pat Tillman Memorial Bridge (Mohave County, Arizona)
Opened on October 19, 2010 as a bypass route for Hoover Dam and for the Dept. of Homeland Security
Open-spandrel arch bridge over Colorado River on US 93
Open to traffic

Mile Point Bridge (Schuyler County, New York)
Stone arch bridge over Glen Creek on Pedestrian pathway
Open to pedestrians only

Miles River Bridge (Talbot County, Maryland)
Built 1984
Bascule bridge over Miles River on MD 370
Open to traffic

Military Street Bascule Bridge (Old) (St. Clair County, Michigan)
Built 1012-13; Replaced 1991
Lost Bascule Bridge over Black River on I-94/I-69 Business Loop in Port Huron
Replaced by new bridge

Mill Canal (Androscoggin River) Bridge (Oxford County, Maine)
Built 1954
Steel stringer bridge over Mill Canal (Andro River) on Route 108
Open to traffic