There are 3,199 bridges in this category · Only showing 2,960 bridges with photos
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Pin-connected

Pin-connected is a type of construction where many of the truss members (especially the high-load members) are connected together by a pin, or bolt, that passes through holes in each of the members. This pin is typically threaded on both ends, smooth in the middle, and a lomas nut is used to tighten the members together.

Lyell Ford Bridge (Marion County, Missouri)
Built 1898 by the Kansas City Bridge Co.
Lost through truss bridge over South Fabius River on CR 117
Destroyed by flooding Sunday, June 28, 2015 after 6pm.

Lyndon Bridge (Whiteside County, Illinois)
Built 1894 by Keefers & Wyncoop; span added 1912; Closed in 1980; saved from demolition 1998
Pennsylvania through truss bridge over Rock River on 6th Avenue (Lyndon Road)
Open to pedestrians

Lyon Creek Bridge (Dickinson County, Kansas)
Built Ca. 1900, according to the Kansas State Historical Society
Abandoned pratt through truss bridge over Lyon Creek on 1600 Avenue
Derelict/abandoned

Lyons Ferry Bridge (Columbia County, Washington)
Built 1927 over the Columbia River at Vantage Ferry; relocated here in 1968
Cantilevered through truss bridge over Snake River on WA 261
Open to traffic

Lytle Fork Bridge (Scott County, Kentucky)
Abandoned pony truss bridge over Lytle Fork
Abandoned

M&NA - White River Bridge (Beaver) (Carroll County, Arkansas)
Built 1907 by the Wisconsin Bridge & Iron Co., replacing an earlier 1882 bridge
Abandoned through truss railroad bridge over White River at Beaver
Derelict with entire deck removed

M&StL - Cottonwood River Bridge (Brown County, Minnesota)
Built 1899, Removed in the 1970s
Pratt deck truss bridge over Cottonwood River on Former C&NW Railway
Removed

M&StL - Walnut Creek Bridge (Polk County, Iowa)
Built 1901; Removed ?
Lost Pratt through truss bridge over Walnut Creek on Minneapolis & St. Louis Railway
Removed

M&STL - Willow Creek Bridge (Cerro Gordo County, Iowa)
Lost pratt deck truss bridge over Willow Creek on Railroad
Replaced by a new bridge

MacArthur Bridge (St. Louis, Missouri)
Built 1907-1917 by the City of St. Louis to break the monopoly of the Terminal Railroad Association, which controlled the two other bridges at St. Louis and charged unreasonable tolls. Automobile deck closed to traffic in 1981.
Three-span through truss bridge over the Mississippi River in St. Louis, south of the Poplar Street Bridge
Open to railroad traffic only

Mackinaw River Dillon Rd Bridge (Tazewell County, Illinois)
Through truss bridge over Mackinaw River on Dillon Rd NE of Green Valley
Closed to all traffic

Mackinaw River Levy Road Bridge (Tazewell County, Illinois)
Built 1907
Pratt through truss bridge over Mackinaw River on Levy Road northwest of Hopedale
Closed to all traffic

Maclay Bridge (Missoula County, Montana)
Built 1935; rehabilitated 1964
Through truss bridge over Bitterroot River on CR L1390 in Orchard Homes
Open to traffic

Macombs Dam Bridge (New York County, New York)
Built 1895; rehabilitated 2003
Swing bridge over Harlem River on E. 155th Street in New York
Open to traffic

Macoupin Creek Bridge (Macoupin County, Illinois)
Pony truss bridge over Macoupin Creek on Lake Catatoga Road south of Macoupin
Closed

Macy Street Bridge (Old) (Los Angeles County, California)
Built 1904; Replaced 1926
Lost Howe through truss bridge over Los Angeles River on Macy Street
Replaced by a new bridge

Maddox Mill Bridge (Whitfield County, Georgia)
Built sometime around 1915, abandoned in the 1930's or 40's when Chatsworth Highway was moved to it's present alignment
Abandoned pratt pony truss bridge over Coahulla Creek on old alignment of Chatsworth Highway / SR 52
Abandoned on private property

Madison Railroad - Vernon Fork Muscatatuck River Bridge (Jennings County, Indiana)
Built ca.1890's
Pratt deck truss bridge over Vernon Fork Muscatatuck River in Vernon
Open to traffic

Madrid Bridge (Boone County, Iowa)
Replaced 1910
Lost Whipple through truss bridge over Des Moines River on Road
Replaced by a new bridge

Magnolia Garden Bridge (Orleans Parish, Louisiana)
Built in 1800s; moved to present location in 1909; restored for pedestrian use in 1989
Pratt through truss bridge over Bayou St. John at Harding Drive
Open to pedestrians

Mahanoy Creek Bridge (Northumberland County, Pennsylvania)
Built 1902 by the King Bridge Company
Through truss bridge over Mahanoy Creek on TR 377
Closed to all traffic

Mahned Bridge (Perry County, Mississippi)
Built 1903 by the Chicago Bridge & Iron Co.
Two-span through truss bridge over Leaf River on Mahned Road
Derelict

Mahoning Avenue Viaduct (Lawrence County, Pennsylvania)
Built 1923-24. Rehabilitated 1940, 1957-61; 1986; 2016-2018.
Through truss bridge over Shenango River on Mahoning Avenue in New Castle
Open to traffic

Main Street -Oswegatchie River Bridge (Old) (Lewis County, New York)
Lost Through truss bridge over Oswegatchie River on Main Street
Replaced by a new bridge

Main Street Bowstring Bridge (LaSalle County, Illinois)
Built 1872; Replaced 1922
Lost Bowstring through truss bridge over Fox River on Main Street
Removed

Main Street Bridge (Clay County, Iowa)
Built 1889, span added 1901, Replaced 1915
Lost Pennsylvania through truss bridge over Little Sioux River on Main Street (Now Renamed)
Replaced by a new bridge

Main Street Bridge (Wright County, Iowa)
Replaced 1977
Lost Pratt through truss bridge over Iowa River on Main Street
Replaced by a new bridge

Main Street Bridge (Petroleum County, Montana)
Built 1940
Pony truss bridge over McDonald Creek on Main Street in Winnett
Open to traffic

Main Street Bridge (Jones County, Iowa)
Built ca 1871; Removed ca 1902
Lost Bowstring pony truss bridge over Farm Creek on Main Street
Removed

Main Street Bridge (Crawford County, Pennsylvania)
Through truss bridge over OVER FRENCH CREEK on SR 6,MAIN STREET
Open to traffic

Main Street Bridge (Tippecanoe County, Indiana)
Built 1890, Additional trusses for the Fort Wayne & Wabash Valley Traction Co. added in 1895.; Lost 1913
Lost Pratt through truss bridge over Wabash River on Main Street and Fort Wayne & Wabash Valley Traction Co.
Destroyed by flooding

Main Street Bridge (Old) (Cherokee County, Iowa)
Lost Pratt through truss bridge over Little Sioux River on Main Street
Destroyed by flooding

Main Street Califon Bridge (Hunterdon County, New Jersey)
Built 1887; altered 1985; rehabilitated 1987
Pratt through truss bridge over South Branch Raritan River on County Route 512
Open to traffic

Main Street Triple Bridge (Cerro Gordo County, Iowa)
Built 1897; Replaced ca. 1908
Lost Pratt through truss bridge over Willow Creek on Main Street and Mason City & Clear Lake Railway
Replaced by a new bridge

Main Street- St. Regis River Bridge (Old) (Franklin County, New York)
Lost 1929
Lost Pratt Pony truss bridge over St Regis River on Main Street
Replaced by a new bridge

Major Road Bridge (Fayette County, Iowa)
Built 1912; replaced in 1998 but left in place
Warren through truss bridge over Turkey River on Major Road
Closed to all traffic

Malheur River Bridge (Private) (Malheur County, Oregon)
Built Ca. 1910
Parker through truss bridge over Malheur River on Private Drive
Open to traffic

Manayunk Canal Bridge (Philadelphia County, Pennsylvania)
Abandoned Pratt Pony Truss Pedestrian Bridge over Manayunk Canal
Abandoned, possibly demolished--see comments

Manchester Bridge (Allegheny County, Pennsylvania)
Built 1911; demolished 1970
Lost through truss bridge over the Allegheny River at The Point in Pittsburgh
Replaced by new bridge

Mannsville Bridge (Johnston County, Oklahoma)
Built 1909; Lost to Flooding 2015
Lost through truss bridge over Washita River on FAS 3501
Destroyed by flood on 6-18-2015

Manthey Road Bridge (San Joaquin County, California)
Built 1926
Parker through truss bridge over San Joaquin River on Manthey Road in Lathrop
Open to traffic

Maple Mill Bridge (Washington County, Iowa)
Built 1896
Lost through truss bridge over English River on Fir Avenue
Destroyed by flooding as of 3/10/2016

Maple Road Bridge (Minnehaha County, South Dakota)
Through truss bridge over Big Sioux River on former Maple Road in Sioux Falls
Open to pedestrians only

Maquoketa River Bridge (Delaware County, Iowa)
Lost Pratt through truss bridge over Maquoketa River on Marion Street
Replaced by a new bridge

Marantette Bridge (St. Joseph County, Michigan)
Built in the late 1800s
Pratt through truss bridge over St. Joseph River on S. Railroad Street
Closed to all traffic

Marietta Road Bridge (Fulton County, Georgia)
Built ca. 1900; Replaced 1978
Lost Whipple through truss bridge over Southern Railroad Yard (Inman) on Marietta Road in Atlanta
Replaced by new bridge

Marion-Springville Road Bridge (Linn County, Iowa)
Built 18XX; Replaced 1914
Lost Bowstring pony truss bridge over East Big Creek on Marion-Springville Road
Replaced by a new bridge

Mariposa Bridge (Lincoln County, North Carolina)
Built 1912 by the Owego Bridge Co.; bypassed 1984
Through truss bridge over Leepers Creek on NC 1412
Bypassed by new bridge and preserved in place

Mark Road Bridge (Fayette County, Ohio)
Built 1883 by the Wrought Iron Bridge Co.; reconstructed 2007
Through truss bridge over Sugar Creek on Mark Road
Open to traffic

Market Street Bridge (3rd) (Lycoming County, Pennsylvania)
Built 1885 destroyed 1889
Lost Lenticular through truss bridge over West Branch Susquehanna River on Market Street
Replaced by a new bridge

Market Street Bridge (5th) (Lycoming County, Pennsylvania)
Built 1894; Demolished 1949
Lost Pratt through truss bridge over West Branch Susquehanna River on Market Street & Interurban
Replaced by a new bridge

Marlowe Creek Bridge (Worth County, Missouri)
Built 1885, Relocated Here in 1898; converted to vehicular use ca. 1981; rehabilitated 1996
Pratt Through truss bridge over Marlowe Creek on CR 287
Open to traffic single lane only

Martin Bridge (Lake County, Colorado)
Pony truss on a bike trail east of Leadville crossing CR 3
Open to two-lane bike traffic above and road traffic below

Martindale Bridge (Greene County, Indiana)
Built 1905
Pony truss bridge over Four Mile Creek on CR 600 West
Open to traffic

Mason Bridge (Texas County, Missouri)
Built 1926 by the Concrete & Steel Construction Co.
Lost through truss bridge over Big Piney River on Mason Road (Old MO 32) west of Licking
Removed after being closed for some time

Masonic Park Bridge (Rio Grande County, Colorado)
Built 1909 by the Pueblo Bridge Co.; relocated 1933; replaced 1994
Lost through truss bridge over the Rio Grande on Masonic Park Drive
Replaced by new bridge

Mattabesset River Bridge (Middlesex County, Connecticut)
Built 1880s or 1890s
Abandoned lenticular pony truss bridge over Mattabesset River on Unknown Road
Derelict/abandoned

Mauricetown Bridge (Cumberland County, New Jersey)
Built 1888
Pratt through truss bridge over Maurice River on Highland Street
Partial remains of bridge open to pedestrians only

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

Maybert Road Bridge (Nevada County, California)
Built 1915; replaced 2017
Pratt Pony truss bridge over Canyon Creek on Maybert Road
Replaced by a new bridge

MBTA - Merrimack River Bridge (Essex County, Massachusetts)
Built 1893
Warren deck truss bridge over Merrimack River on Railroad (MBTA)
Abandoned

MBTA - Shore Line Bridge (Suffolk County, Massachusetts)
Built 1898
Through truss bridge over Amtrak Northeast Corridor on MBTA Fairmount Line
Open to traffic

MC - Sandy River Bridge (Washington County, Maine)
Lost to flooding 1996
Lost Through truss bridge over Sandy River on Maine Central Railroad
Destroyed by flooding

McCall Bridge (Stone County, Missouri)
Built 1915 by contractor Fred L. Appleby; replaced 2002
Lost through truss bridge over James River on CR V-70
Replaced by new bridge and torn down

McCarty Creek Road Bridge (Tehama County, California)
Built 1937
Pin-connected Pratt Through truss bridge over McCarty Creek on McCarty Creek Road
Open to traffic

McClure Road Bridge (Darke County, Ohio)
Built 1882 by the Massillon Bridge Co.
Through truss bridge over Greenville Creek on McClure Road (TR 276)
Closed to all traffic

McGirt's Bridge (Bladen County, North Carolina)
Built 1923 by the Atlantic Bridge Co.; replaced ca. 1983
Lost through truss bridge over Cape Fear River on US 701
Replaced by a new bridge

McKeesport-Duquesne Bridge (Allegheny County, Pennsylvania)
Built 1927 by the American Bridge Co.
Through truss bridge over the Monogahela River on PA 2114 at Duquesne in North Versailles
Open to traffic

McKillip Ditch Bridge (White County, Indiana)
Unknown, but likely built on a county road and later acquired for private use.
Abandoned pratt pony truss bridge over McKillip Ditch on Field crossing
Abandoned with mostly intact but dilapidated deck

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

McPherson's Ford Bridge (Alleghany County, Virginia)
Built 1896; Rehabilitated in 1948, bypassed and preserved 2013
Through truss bridge over Cowpasture River on Route 633 (McKinney Hollow Rd)
Open to pedestrians only

ME/Amtrak Overpass (Union County, New Jersey)
Through truss bridge over Amtrak on Morristown & Erie Railway
Open to traffic

Mead Road Bridge (Clinton County, Michigan)
Built 1907
Through truss bridge over Maple River on Mead Road
Closed to all traffic

Meadow Lane Bridge (Hunterdon County, New Jersey)
Built 1900; rehabilitated 1991
Pony truss bridge over North Branch Rockaway Creek on Meadow Lane
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

Meadowlake Park Bridge (Garfield County, Oklahoma)
Pony truss bridge over Boggy Creek on miniature railroad in Enid
Open to traffic

Meadowland Street Bridge (Minnehaha County, South Dakota)
Pratt through truss bridge over Big Sioux River on Meadowland Street (now private), 5 miles south of Baltic
Closed to all traffic

MEC - Carrabassett River Bridge (Somerset County, Maine)
Abandoned pratt through truss bridge over Carrabassett River on Maine Central Railroad
Abandoned

MEC - Kennebec River Bridge (Augusta) (Kennebec County, Maine)
Lost Bridge over Kennebec River on Railroad
Removed but not replaced; Supports still stand

Medford Avenue Bridge (Harrison County, Iowa)
Built 1900
Pennsylvania through truss bridge over Willow River on Medford Avenue
Open to traffic

Medicine Bow River Bridge (Carbon County, Wyoming)
Built 1914; rehabilitated 1972
Through truss bridge over Medicine Bow River on CN6-121
Open to traffic

Medicine Lodge River Bridge (Barber County, Kansas)
Built ca. 1910
Lost through truss bridge over Medicine Lodge River, 2.0 mi. north and 5.9 mi. west of Medicine Lodge
Removed but not replaced

Medicine River Bridge (Barber County, Kansas)
Built ca. 1910
Pratt through truss bridge over Medicine River, 2.0 mi. west of Medicine Lodge
Replaced by a new bridge

Medio Creek Bridge (Bee County, Texas)
Built 1897; Rehabbed 1923 and 1947; Closed 1987
Through truss bridge over Medio Creek on CR 241
Closed to traffic

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

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

Melrose Road Bridge (Hartford County, Connecticut)
Built 1888; Abandoned when State Route 140 superceded this portion of Melrose Road
Abandoned lenticular pony truss bridge over Scantic River on an abandoned section of Melrose Rd
Derelict/abandoned

Memorial Avenue Bridge (Lycoming County, Pennsylvania)
Built 1889 by the Groton Bridge Co.; center pier added 1925; replaced 1987
Lost through truss bridge over Lycoming Creek on Memorial Avenue (SR 3021) in Williamsport
Replaced by a new bridge

Memphis Charlestown Road Bridge (Clark County, Indiana)
Lost Bowstring through truss bridge over Silver Creek on Memphis Charlestown Road
Replaced by a new bridge

Menefee Ford Bridge (Ralls County, Missouri)
Built 1911 by Stupp Brothers
Pony truss bridge over Lick Creek on Indiana Lane south of Perry
Open to traffic

Merchants Bridge (St. Louis, Missouri)
Completed in May 1890; approaches rebuilt in 2005
Three-span through truss railroad bridge over the Mississippi River between St. Louis and Venice, Illinois on Terminal Railroad Assosiation
Open to two tracks of railroad traffic. Only one train is allowed to cross the bridge at a time, due to its age.

Merriam Street Bridge (Hennepin County, Minnesota)
Originally built 1887 by the King Iron Bridge Co. as a four-span truss bridge on Broadway Street; one span relocated here in 1987
Relocated through truss bridge over the Mississippi River (East Channel) on Merriam Street at Nicollet Island in Minneapolis
Open to traffic

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

Merrimac Bridge (Older) (Jefferson County, Iowa)
Built 1876, Replaced 1916
Lost Bowstring through truss bridge over Skunk River on Road
Replaced by a new bridge

MET - Dry Creek Bridge (Stanislaus County, California)
Deck plate girder bridge over Dry Creek on Modesto and Empire Traction Co. (MET)
Open to traffic

Metropolis Bridge (Massac County, Illinois)
Built 1917 by the American Bridge Co. under the direction of engineers C. H. Cartlidge and Ralph Modjeski
Six-span through truss bridge over the Ohio River on the Canadian National Railway at Metropolis
Open to railroad traffic

Meyers Road Bridge (Christian County, Illinois)
Through truss bridge over Sangamon River on TR 192, 5 mi. north of Mt Auburn
Derelict/abandoned

Michael R. Haverty Bridge (Jackson County, Missouri)
Built 1892 next to Missouri River; abandoned 1960, relocated to Union Station 2006
Through truss bridge over Railroad tracks at Union Station in Kansas City
Open to pedestrians

Middle Bar Bridge (Calaveras County, California)
Built 1912
Pratt through truss bridge over Mokelumne River on Middle Bar Road
Open to traffic

Middle Fork Holston River Bridge (Smyth County, Virginia)
Built 1885 by the King Iron Bridge Co.; rehabilitated 2005
Pratt through truss bridge over Middle Fork Holston River on E. Chilhowie Street
Closed to traffic pending repairs to damaged endpost caused by drunk driver.