There are 3,697 bridges in this category · Only showing 3,428 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.

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

Minnesota Valley State Trail - Chaska Swing Bridge (Carver County, Minnesota)
Built 1905, Approach Replaced 1911, Imploded August 1996 due to sinking pier
Lost Pratt through truss bridge over Minnesota River
Removed

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

Miscauno Island Bridge (Middle) (Marinette County, Wisconsin)
Built 1905
Pratt through truss bridge over Menominee River on Miscauno Island Lane
Open to traffic

Miscauno Island Bridge (W) (Marinette County, Wisconsin)
Built 1905
Pratt through truss bridge over Menominee River on Miscauno Island Lane
Open to traffic

Mission Creek Bridge (Brown County, Kansas)
Built 1905
Lost Bedstead pony truss bridge over Mission Creek in Horton
Lost

Mission Creek-Carlson Rd. Bridge (Shawnee County, Kansas)
Built ca. 1910; Replaced 2015
Through truss bridge over Mission Creek on Carlson Road
Replaced by a new bridge

Missisquoi Valley Rail Trail - Berkshire Bridge (Franklin County, Vermont)
Built 1900 by American Bridge Co.; Inactive 1984-1988; Abandoned 1992; Converted to rail-trail use in 1994
Pin connected Pratt through truss bridge over Missisquoi River on Missisquoi Valley Rail Trail
Open to pedestrians only

Missisquoi Valley Rail Trail - Sheldon Junction Bridge (Franklin County, Vermont)
Built 1900 by American Bridge Co.; One span destroyed 1984; Re-purposed for rail trail use in 1994
Pin connected Pratt through truss bridge over Missisquoi River on Missisquoi Valley Rail Trail
Open to pedestrians only

Missouri Street Bridge (Washington County, Missouri)
Built ca. 1904; Reconstructed 1968
Pony truss bridge over Breton Creek on Missouri Street in Potosi, just south of the courthouse
Open to traffic on a dead-end street

Mitchell's Mills Bridge (Geary County, Kansas)
Built 1878 by the King Iron Bridge Co. Abandoned after 1951.
Abandoned Whipple through truss bridge over Clarks Creek on Humboldt Creek Road (Abandoned Section - now Private)
Derelict/abandoned

MKT - Boonville Railroad Bridge (2nd) (Cooper County, Missouri)
Built 1894-96, replacing the first Boonville bridge, but reusing the substructure. Replaced by the third and current Boonville bridge in 1932.
Lost through truss swing bridge over the Missouri River on the MKT Railroad at Boonville
Replaced by a new bridge

MKT - Brazos River Bridge (Old) (Austin County, Texas)
Built 1892; Replaced 1906
Lost Howe through truss bridge over Brazos River on Missouri-Kansas-Texas Railroad
Replaced by a new bridge

MKT - Chambers Creek Bridge (Ellis County, Texas)
Abandoned through truss bridge over Chambers Creek
Derelict/abandoned

MKT - Marmaton River Bridge (Bourbon County, Kansas)
Built 1910, Abandoned 1997
Parker through truss bridge over Marmaton River on Abandoned Missouri-Kansas-Texas Railroad
Closed to all traffic

MKT - Moniteau Creek Bridge (Howard County, Missouri)
Built Ca. 1897, Destroyed in Derailment 1942
Lost Parker through truss bridge over Moniteau Creek on Missouri-Kansas-Texas Railroad
Collapsed in a Train Derailment

MKT - Paris Bridge (Monroe County, Missouri)
Built ca. 1873
Lost Post through truss bridge over Middle Fork Salt River on MK&T RR
Replaced by a new bridge

MKT Nature & Fitness Trail - Perche Creek Bridge (Boone County, Missouri)
Built 1899
Parker through truss bridge over Perche Creek on MKT Nature & Fitness Trail
Open to pedestrians

MMRR - Grand River Bridge (Kent County, Michigan)
Built 1904
Pratt through truss bridge over Grand River on Mid-Michigan RR (formerly Pere Marquette RR)
Open to traffic

MNA - Black River Bridge (Independence County, Arkansas)
Through truss swing bridge over Black River on Missouri Pacific Railroad
Open to traffic

MNA - White River Bridge (Cotter) (Baxter County, Arkansas)
Built 1905 for the St. Louis, Iron Mountain, and Southern Railway. Swing system only operated one time as a post-construction test.
Through truss swing railroad bridge over White River on the M&NA Railroad at Cotter
Open to railroad traffic

MNCW - Main/Washington Street Overpass (Fairfield County, Connecticut)
Built in 1895 by the Berlin Iron Bridge Company
Pratt through truss bridge with vertical endposts and a 45 skew
Exists in Street view

MO 8 Dry Fork Truss (Phelps County, Missouri)
Built c1900
Lost Pratt through truss bridge over Dry Fork Creek on MO 8 and MO 68
Replaced by a new bridge

Moffitt Bridge (Hendricks County, Indiana)
Built 1886 by the Morse Bridge Company
Relocated through truss bridge originally over White Lick Creek on CR 800 S
Moved to a park in Plainfield

Moffitt/Friendship Gardens Bridge (Hendricks County, Indiana)
Built 1886 by the Morse Bridge Company, relocated and restored for trail usage.
Warren through truss bridge over White Lick Creek on a trail in Plainfield
Open to pedestrians only on a trail.

Mohawk River Barge Canal Bridge (OLD) (Montgomery County, New York)
Lost Other through truss bridge over Mohawk River on River Street
Replaced by a new bridge

Mohican Police Firing Range Bridge (Ashland County, Ohio)
Built ca.1880
Half-hip Pratt pony truss bridge over Horsetail Run on Road
Totally closed, collapse imminent.

Mokelumne River Bridge (San Joaquin County, California)
Built 1942; rehabilitated 1978
Swing bridge over Mokelumne River on CA 12
Open to traffic

Mollys Run Bridge (Jefferson County, Indiana)
Built 1905
Pony truss bridge over Mollys Run on Brooksburg Manville Road (CR 260N)
Removed and replaced

Monegaw Creek NW 1001 Bridge (St. Clair County, Missouri)
Built ca. 1910 by the Standard Bridge Co.; replaced 2013
Lost pony truss bridge over Monegaw Creek on CR NW 1001
Replaced by a new bridge

Moniteau Creek Road Bridge (Cole County, Missouri)
Built 1915-16 by the Kansas City Bridge Co.; made obsolete by a new bridge on MO 179 in 1967
Through truss bridge over Moniteau Creek on Moniteau Creek Road (Old MO 179)
Closed; To be removed by the end of the year per report by the county.

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 Street Bridge (Greene County, Ohio)
Built for the PRR in 1865, Moved to Xenia in 1897. Closed to traffic circa 1965-1967; Removed in 1984
Lost Whipple through truss bridge over Pennsylvania Railroad on Monroe Street
Removed but not replaced

Montour Park Road Bridge (Allegheny County, Pennsylvania)
Pratt pony truss bridge over Montour Run on Montour Park Road (abandoned)


Moody Ford Bridge (Barton County, Missouri)
Built 1884 by the Missouri Valley Bridge & Iron Co.; replaced 1998; relocated to private property in Nov. 1999
Through truss bridge formerly over North Fork Spring River on SW 60th Road (CR 432)
Open to traffic on a private lane

Moon Creek Bridge (Livingston County, Illinois)
Built 1891
Abandoned Pratt pony truss bridge over Moon Creek
Derelict/abandoned

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

MoPac - Arkansas River Bridge (Sebastian County, Arkansas)
Built 1891, removed 1969
Lost Pegram truss swing bridge over Arkansas River for Railroad and at one time Wagon traffic in Ft. Smith. It was removed due to the Kerr-McClellan Arkansas river navigation project.
Lost

MoPac - Baring Cross Bridge (Old) (Pulaski County, Arkansas)
Built 1890; Destroyed by flooding 1927
Lost Pratt through truss bridge over Arkansas River on Missouri Pacific Railroad
Destroyed by flooding

MoPac - Benzel Bridge (Desha County, Arkansas)
Built 1903
Vertical lift through truss bridge over White River on Railroad
Closed to all traffic

MoPac - Black River Bridge (Old) (Independence County, Arkansas)
Pratt through truss bridge over Black River on Missouri Pacific Railroad
Replaced by a new bridge

MoPac - Fort Scott Pegram Truss (Bourbon County, Kansas)
Built 1891; Replaced 1927
Lost Pegram through truss bridge over Marmaton River on Missouri Pacific Railroad
Replaced by a new bridge

MoPac - Little Nemaha River Bridge (Otoe County, Nebraska)
Lost Through truss bridge over Little Nemaha River on MoPac Railway
Removed but not replaced

MoPac - Little Osage River Pegram Truss (Vernon County, Missouri)
Built 1891
Lost Pegram through truss bridge over Little Osage River on Missouri Pacific Railroad
Replaced by a new bridge

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 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

Morris Mill Bridge (Giles County, Tennessee)
Built 1884 by the Penn Bridge Works; Closed to traffic in 1980's
Abandoned warren pony truss bridge over Big Creek
Abandoned

Morrison Street Bridge (1st) (Multnomah County, Oregon)
Built 1888; Replaced 1905
Lost Pratt through truss bridge over Willamette river on Morrison street
Replaced by a new bridge

Morrison Street Bridge (2nd) (Multnomah County, Oregon)
Built 1905; Replaced 1958
Lost Through truss bridge over Williamette River on Morrisson Street
Replaced by a new bridge

Morse Mill Bridge (Jefferson County, Missouri)
Built 1886-87 by the St. Louis Bridge & Iron Co.
Through truss bridge over Big River at Morse Mill
Open to pedestrians only

Morton Bridge (Ray County, Missouri)
Built 1889 by the Wrought Iron Bridge Co.
Through truss bridge over Crooked River on Landing Road
Open to traffic with 3 Ton Weight Limit

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

Moscow Bridge (Muscatine County, Iowa)
Built 1885; Removed 1942
Lost Pratt through truss bridge over Cedar River on River Street
Removed

Moscow Mills Bridge (Lincoln County, Missouri)
Built 1885 by Raymond and Campbell
Abandoned through truss bridge over the Cuivre River at Moscow Mills
Closed to all traffic

Moser Road Bridge (Somerset County, Pennsylvania)
Built 1900
Pinned Pratt Thru Truss bridge over Casselman River on TR 353 (Moser Road)
Open to traffic

Mosquito Creek Bridge (Christian County, Illinois)
Built 1893
Through truss bridge over Mosquito Creek on Meridian Avenue/CR 2100E (TR 16), 6 mi. east of Mt.Auburn
Derelict/abandoned

Mosquito Creek Bridge (Nemaha County, Kansas)
Built pre 1900.
Pratt pony truss bridge over an Mosquito Creek, 1.0 mi. south and 1.0 mi. west of Wetmore
Derelict/abandoned

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

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

Mott Street Bridge (Pike County, Pennsylvania)
Built 1902 by Penn Bridge Co.
Through truss bridge over Sawkill Creek on TR 426 in Milford
Closed to all traffic

Mound Street Bridge (Franklin County, Ohio)
Destroyed 1913 Flood
Lost Through truss bridge over Scioto River on Mound Street
Destroyed by flooding

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 with only the center span remaining

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

Mountain Road Bridge (Sussex County, New Jersey)
Built 1893
Through truss bridge over Flat Brook on Mountain Road
Open to traffic

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

MRL - Bitterroot River Bridge (Missoula County, Montana)
Built 1929
Pratt through truss bridge over Bitterroot River on Montana Rail Link
Open to traffic

MRL - Clark Fork River Bridge No. 2 (Sanders County, Montana)
Built 1908
Through truss bridge over Clark Fork River on Montana RailLink
Open to traffic

MRL - Clark Fork River Bridge No. 3 (Sanders County, Montana)
Built 1908, Reinforced date unknown
Bridge over Clark Fork River on Montana RailLink


MRL - Flathead River Bridge (Sanders County, Montana)
Built 1896, Reinforced 1945
Through truss bridge over Flathead River on Montana RailLink


MRL - Madison River Bridge (Gallatin County, Montana)
Pratt through truss bridge over Madison River on Montana RailLink


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. Auburn Bridge (Benton County, Iowa)
Built ca 1889; Lost 1929
Lost Pratt through truss bridge over Cedar River on Road
Replaced by a new bridge

Mt. Joy Road Bridge (Hunterdon County, New Jersey)
Built 1900; rehabilitated 1981
Through truss bridge over Musconetcong River on Mt. Joy Road
Open to traffic

Mt. Lawn Bridge (Henry County, Indiana)
Unknown, but definately moved here from another location
Pratt pony truss bridge over Duck Creek on road to pit lane at Mt. Lawn speedway
Open to traffic

Mt. Vernon Street Bridge (Caledonia County, Vermont)
Built circa 1885 by the Berlin Iron Bridge Co.; Demolished 1975
Lost Lenticular pony truss bridge over Sleepers River on Mt. Vernon Street
Replaced by a new bridge

Muddy Boggy Creek Bridge (Choctaw County, Oklahoma)
Built 1919
Through truss bridge over Muddy Boggy Creek on E2010 Rd.
Open to traffic

Mulberry Bridge (Crawford County, Arkansas)
Built 1896 by the Wrought Iron Bridge Co.
Derelict through truss bridge over Mulberry River near Mulberry
Derelict

Mulberry Creek Bridge (Bates County, Missouri)
Built 1886 by the Missouri Valley Bridge & Iron Co.; later relocated here
Pony truss bridge over Mulberry Creek on 1002 Road, southeast of Amoret
Damaged irreparably by flood, replaced with concrete structure.

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 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.

Mull Bridge (Shelby County, Indiana)
Built ca.1890
Through truss bridge over Little Blue River on CR 800 East
Intact but closed to all traffic

Mulvane Bridge (Butler County, Kansas)
Built by the Wrought Iron Bridge Co.
Through truss bridge over Walnut River, 0.7 mi. west and 2.0 mi. south of Douglass
Open to traffic with 6'6" height restriction.

Mumma Ford Road Bridge (Carroll County, Maryland)
Built 1911; rehabilitated 1988 and summer 2011
Through truss bridge over Monocacy River on Mumma Ford Road
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 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

Musselshell River Bridge (Musselshell County, Montana)
Abandoned pratt through truss bridge over Musselshell River on an abandoned road
Derelict/abandoned

Musselshell River Bridge (Wheatland County, Montana)
Pony truss bridge over Musselshell River on a driveway/ranch road
Open to traffic

Myrtle Ake Road Bridge (Noble County, Ohio)
Road abandoned when I-77 was constructed.
Abandoned pony truss bridge
Abandoned with deck removed.

Mystery Bridge (Crawford County, Arkansas)
Lost two-span through truss bridge, possibly over Mulberry River
No longer exists

Mystery Bridge (Scott County, Arkansas)
Lost through truss bridge somewhere in Scott County
No longer exists

Mystery Bridge (Washington County, Arkansas)
Lost through truss bridge somewhere in Washington County, possibly over Middle Fork White River
No longer exists

Mystery Bridge (Harrison County, Missouri)
Through truss bridge somewhere near Bethany
Unknown status

Mystery Bridge (Madison County, Iowa)
Pony truss bridge
In storage or disassembled

Mystery Bridge ;( Now Road 30.5 road Bridge) (Big Horn County, Wyoming)
Bridge over Land
Closed to all traffic

Mystery Overpass (Ulster County, New York)
Pratt pony truss bridge over Hudson Vally Rail Trail


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

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