There are 3,220 bridges in this category · Only showing 2,179 bridges with photos
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Through girder

Main Street RR Overpass (Warren County, New Jersey)
Pony/through plate girder bridge over Railroad on Main Street
Open to traffic

Main Street-Umatilla River Bridge (Old) (Umatilla County, Oregon)
Lost Pony/through girder bridge over Umatilla River on Main Street
Replaced by a new bridge

Malone Creek Bridge (Buchanan County, Iowa)
Built 1925
Concrete pony/through girder bridge over Malone Creek on 195th Street
Open to traffic

Manitowoc Bascule Railroad Bridge (Manitowoc County, Wisconsin)
Built 1926
Through plate girder Abt bascule bridge over Manitowoc River on Railroad (Wisconsin Central)
Removed but not replaced

Mantoloking Bridge (New) (Ocean County, New Jersey)
Concrete pony/through girder bridge over Barnegat Bay on Herbert Street
Open to traffic

Marengo Bridge (Calhoun County, Michigan)
Built 1925
Camelback through girder bridge over Kalamazoo River on 23 Mile Road
Replaced by a new bridge

Marianna Railroad Bridge (Washington County, Pennsylvania)
Pony/through plate girder bridge over Daniels Run on Unnamed Road (Old Alignment of Railroad)


Market Street Norfolk Southern Railway Bridge (Cumberland County, Pennsylvania)
Builty 1929
Pony/through plate girder bridge over Market Street on NSRR
Open to traffic

Marsh Run Overpass (York County, Pennsylvania)
Built 1949 by the PTC
Pony/through plate girder bridge over PA Turnpike/I-76 on Marsh Run in Fairview Township
Open to traffic

Marston Avenue Overpass (Kennebec County, Maine)
Built 1928
Girder bridge over Maine Central Railroad on Marston Avenue, Waterville
Open to traffic

Martin Drive Ramp (Hamilton County, Ohio)
Built 1958; rehabilitated 1986
Pony/through plate girder bridge over US 50 on Ramp To Martin Drive
Open to traffic

Mascoma River B&M Railroad Bridge 130.12 (Grafton County, New Hampshire)
Pony/through plate girder bridge over Mascoma River on B&MRR/Northern Rail Trail
Open to traffic

Mascoma River B&M Railroad Bridge 131.19 (Grafton County, New Hampshire)
Pony/through plate girder bridge over Mascoma River on B&MRR/Northern Rail Trail
Open to traffic

Mascoma River B&M Railroad Bridge 134.50 (Grafton County, New Hampshire)
Pony/through plate girder bridge over Mascoma River on B&MRR/Northern Rail Trail
Open to traffic

Mascoma River B&M Railroad Bridge 135.01 (Grafton County, New Hampshire)
Pony/through plate girder bridge over Mascoma River on B&MRR/Northern Rail Trail
Open to traffic

Mascoma River B&M Railroad Bridge 136.84 (Grafton County, New Hampshire)
Pony/through plate girder bridge over Mascoma River on B&MRR/Northern Rail Trail
Open to traffic

Mascoma River B&M Railroad Bridge 137.03 (Grafton County, New Hampshire)
Pony/through plate girder bridge over Mascoma River on B&MRR/Northern Rail Trail
Open to traffic

Mascoma River B&M Railroad Bridge 137.62 (Grafton County, New Hampshire)
Pony/through plate girder bridge over Mascoma River on B&MRR/Northern Rail Trail
Open to traffic

Mascoma River B&M Railroad Bridge 140.83 (Grafton County, New Hampshire)
Abandoned pony/through plate girder bridge over Mascoma River on Abandoned B&M Railroad
Derelict/abandoned

Massac Creek Road Bridge (Massac County, Illinois)
Concrete pony/through girder bridge over Massac Creek on Massac Creek Road
Open to traffic

Masters Fork Bridge (Bureau County, Illinois)
Built 1915
Concrete pony/through girder bridge over Masters Fork on CR 2600 N 1.8 Mi SW of Van ORin
Open to traffic

Matsell Bridge (Linn County, Iowa)
Built 1939
Plate girder bridge over Wapsipinicon River on Matsell Park Road
Open to traffic

Maxson Bridge (Livingston County, Illinois)
Built 1923
Concrete pony/through girder bridge over Five Mile Creek on E 1600 N Rd
Replaced by a new bridge

MBTA - Gloucester Drawbridge (New) (Essex County, Massachusetts)
Under construction soon to replace an old bridge
Concrete pony/through girder bridge over Annisquam River on Massachusetts Bay Transporation Authority RR
Under construction

MBTA - Grand Junction Bridge (Suffolk County, Massachusetts)
Built 1928
Through plate girder bridge over Charles River on MBTA
Open to traffic

MBTA - High Line Bridge (Middlesex County, Massachusetts)
(Main design: Warren through truss with sub-panels)
Built 1927; rehabilitated 1946 & 1956
Warren through truss with sub-panels bridge over MBTA Yard Tracks on MBTA Lowell Line
Open to traffic

MBTA - Plimpton Street Railroad Bridge (Norfolk County, Massachusetts)
Built 1905 by Boston Bridge Works; 1 girder (1 track) removed later on
Pony/through plate girder bridge over Plimpton Street on MBTA Franklin Branch (MBTA Franklin Line)
Open to railway traffic, and to vehicle traffic below

MBTA - Providence Highway Railroad Bridge (Norfolk County, Massachusetts)
Built 1932 to replace former bridge during highway widening
Pony/through plate girder bridge over Providence Highway (US 1) on MBTA Franklin Branch (MBTA Franklin Line)
Open to railway traffic, and to vehicle traffic below

MBTA - Route 30 Overpass (Worcester County, Massachusetts)
Built 1920
Pony/through plate girder bridge over East Main Street/Route 30 on MBTA Worcester Line
Open to traffic

MBTA - Route 62 Overpass (Middlesex County, Massachusetts)
Built 1927 by Boston Bridge Works; replaced 2015
Pony/through plate girder bridge over Route 62/Main Street on MBTA Fitchburg Line
Replaced by a new bridge

MBTA - Saugus River Bridge (Essex County, Massachusetts)
Built 1911; rehabilitated 1989
Bascule plate girder bridge over Saugus River on Boston & Maine Railroad
Open to traffic

Mc Clellan Street Bridge (Crawford County, Pennsylvania)
Built 1959; rehabilitated 1998
Pony/through plate girder bridge over Over Conneauttee Creek on Sr 1006,Skeltown
Open to traffic

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

McGill Road Bridge (Hamilton County, Tennessee)
Built 1938, rebuilt 1997
Pony/through plate girder bridge over Possum Creek on McGill Road
Open to traffic

McKee Street Bridge (Harris County, Texas)
Built 1932
Concrete girder bridge over Buffalo Bayou on McKee Street in Houston
Open to traffic

McKnight Road Bridge (Carver County, Minnesota)
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

McLaughlin Run Road Bridge (Allegheny County, Pennsylvania)
Built 1905 by the King Bridge Co.
Lost through girder bridge over McLaughlin Run on McLaughlin Run Road
Replaced by a new bridge

MCRM - Baraboo River Bridge (Sauk County, Wisconsin)
Built in 1929; pier pilings damaged in 2008 flood, rebuilt with concrete pier and reopened July 2018
Plate girder bridge over Baraboo River on Mid Continent Railroad Museum
In service for railroad traffic

ME - Eagle Rock Avenue Overpass (Essex County, New Jersey)
Pony/through plate girder bridge over Eagle Rock Avenue on Morristown & Erie Railroad


ME - Route 206 Overpass (Morris County, New Jersey)
Built 1994
Pony/through plate girder bridge over Route 206 on Central Railroad of New Jersey
Open to traffic

ME - US 1 Overpass (Union County, New Jersey)
Pony/through plate girder bridge over US 1 on Morristown & Erie Railroad
Open to traffic

MEC - Kenduskeag Stream Bridge (Penobscot County, Maine)
Lost Pony/through girder bridge over Kenduskeag Stream on Maine Central RR
Replaced by a new bridge

Memorial Drive Pedestrian Bridge (Crawford County, Kansas)
Concrete pony/through girder bridge over Unnamed Creek on Path
Open to pedestrians only

Mercer County Road 162 Bridge (Mercer County, Missouri)
Built 1901 by the American Bridge Co. as a railroad deck girder bridge; later relocated here and "flipped over" to form a through girder
Plate girder bridge over the Union Pacific Railroad on S. College Avenue/Harmonica Road in Princeton
Open to traffic

Mermill Road Bridge (Wood County, Ohio)
Built 1925
Concrete curved chord through girder bridge over Rocky Ford Mermill Road on Mermill Road
Closed to all traffic

MERR - Jordan Avenue Overpass (Cumberland County, Maine)
Built 1923
Pony plate girder bridge over Jordan Avenue on Maine Eastern Railroad
Open to traffic

MERR - Kennebec River Bridge (Augusta) (Kennebec County, Maine)
(Main design: Warren deck truss)
Built 1913
Warren deck truss bridge over Kennebec River on Maine Central Railroad
Intact but closed to all traffic

MERR - Kenneth River Bridge (Kennebec County, Maine)
Pony/through plate girder bridge over Kenneth River on Railroad
Open to traffic

MERR - Lewis Hill Road Overpass (Lincoln County, Maine)
Pony/through plate girder bridge over Lewis Hill Road (Tw) on MCRR, Newcastle, Maine
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 - River Road Overpass (Sagadahoc County, Maine)
Built 1903; Removed 2016
Pony/through plate girder bridge over ME 24 (River Road) on Maine Eastern Railroad
Removed but not replaced

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

Merrill "No Name" Bridge (Lincoln County, Wisconsin)
Built 1901
Pony/through plate girder bridge over Prairie River on Riverbend Trail
Open to pedestrians only

Metra - 63rd Street Bridge (Cook County, Illinois)
Built 1904
Pony/through plate girder bridge over 63rd Street on Metra
Open to traffic

Metra - 64th Street Bridge (Cook County, Illinois)
Built 1904
Pony/through plate girder bridge over 64th Street on Metra
Open to traffic

Metra/CN Overpass (Will County, Illinois)
Original 95' frame trestle at this location built 1879; replaced by this bridge 1912
Pony/through girder bridge over Elgin, Joliet & Eastern Railway on Wabash, later N&W, now NS/Metra
Open to rail traffic

Mickelson Trail - Whitewood Creek Bridge #1 (Lawrence County, South Dakota)
Built 1910
Pony/through plate girder bridge over Whitewood Creek on George S. Mickelson Trail/Old CBQ Railroad Alignment
Open to pedestrians only

Middle Beaver Creek 130th Rd. Girder Bridge (Smith County, Kansas)
Pony/through plate girder bridge over Middle Beaver Creek on 130th Rd.
Open to traffic, likely recycled RR plate girder, solid

Middle Creek Bridge (Carroll County, Illinois)
Built 1917
Concrete pony/through girder bridge over Middle Creek on E Elm Road
Closed to all traffic

Middle Falls Bridge (Old) (Washington County, New York)
Lost Pony/through girder bridge over Batten Kill River on Rt 29
Replaced by a new bridge

Middle Road Bridge (Allegheny County, Pennsylvania)
Built 1952; rehabilitated 1985
Lost Pony/through plate girder bridge over I-76 (Pennsylvania Turnpike) on Middle Road
Replaced by a new bridge

MIDH - Swatara Creek Bridge (Dauphin County, Pennsylvania)
Pony/through plate girder bridge over Swatara Creek on Middletown & Hummelstown Railroad


Milby Street Roundhouse (Harris County, Texas)
Pony/through girder turntable on Union Pacific Railroad Co., Galveston Subdivision
Intact but closed to all traffic

Mill Street Bridge (Columbia County, Wisconsin)
Pony/through plate girder bridge over Wisconsin & Southern Railroad on Mill Street in Lodi
Open to traffic

Miller Bridge (Morgan County, Indiana)
Built 1925
Concrete Through Girder bridge over Pike Creek on Mahalasville Road
Replaced by a new bridge

Miller Bridge (Livingston County, Illinois)
Built 1928
Concrete pony/through girder bridge over Moon Creek on E 12th Rd
Open to traffic

Milo Academy Covered Bridge 37-10-C (Douglas County, Oregon)
Built 1962
Covered pony/through plate girder bridge over South Umpqua River on Milo Drive
Open to traffic

MILW - Burlington Road Overpass (Muscatine County, Iowa)
Lost Pony plate girder bridge over Burlington Road on Railroad (MILW)
Removed

MILW - Cedar River Bridge (Original) (Linn County, Iowa)
(Main design: Pratt through truss)
Built 1881, Rebuilt 1900; Replaced 1905
Lost Bridge over Cedar River on Railroad (MILW)
Replaced by a new bridge

MILW - Clark Fork River Bridge (Granite County, Montana)
Built 1908
Abandoned pony/through plate girder bridge over Clark Fork River on Railroad (MILW)
Abandoned with one span removed/destroyed by flooding

MILW - Clark Fork River Bridge (Missoula County, Montana)
Built 1908
Abandoned pony/through plate girder bridge over Clark Fork River on Railroad (MILW)
Abandoned

MILW - Cone Lake Bridge (Muscatine County, Iowa)
Built 1912, Removed in 1985
Lost Pony/through plate girder bridge over Cone Lake on Railroad
Removed

MILW - Goose Creek Bridge (E) (Louisa County, Iowa)
Lost Pony plate girder bridge over Goose Creek on Chicago, Milwaukee, St. Paul & Pacific Railroad
Removed

MILW - Horsethief Creek Bridge (Musselshell County, Montana)
Abandoned Pony plate girder bridge over Horsethief Creek on Chicago, Milwaukee, St. Paul & Pacific Railroad
Derelict/abandoned

MILW - I-90 Overpass (Jackson County, Minnesota)
Built 1973, abandoned 1981
Abandoned pony/through girder bridge over Interstate 90 on Abandoned Milwaukee Road Railroad
Abandoned

MILW - Lake Easton Bridge (Kittitas County, Washington)
(Main design: Warren deck truss)
Lost Warren deck truss bridge over Yakima River & Northern Pacific Railroad on Chicago, Milwaukee, St. Paul & Pacific Railroad
Removed

MILW - Mill Creek Bridge (Jackson County, Iowa)
(Main design: Warren through truss)
Built ca. 1890; Replaced ca. 1981
Lost Warren through truss bridge over Mill Creek on Railroad
Replaced by a new bridge

MILW - Musselshell River Bridge (Golden Valley County, Montana)
Built 1907-8, Destroyed by flooding in 2011
Abandoned pony/through plate girder bridge over Musselshell River on Railroad (MILW)
Destroyed by flooding

MILW - Musselshell River Bridge (Golden Valley County, Montana)
Pony/through plate girder bridge over Musselshell river on Chicago, Milwaukee, St. Paul & Pacific Railroad
Open to pedestrians only

MILW - Paint Creek Bridge #3 (Allamakee County, Iowa)
Built Ca. 1898
Abandoned deck plate girder bridge over Paint Creek on Abandoned Chicago, Milwaukee, St. Paul & Pacific Railroad
Open to to snowmobiles in wintertime.

MILW - Paint Creek Bridge #5 (Allamakee County, Iowa)
Built Ca, 1898
Abandoned deck plate girder bridge over Paint Creek on Abandoned Chicago, Milwaukee, St. Paul & Pacific Railroad
Abandoned

MILW - Paint Creek Bridge #7 (Allamakee County, Iowa)
Built Ca. 1898
Abandoned pony/through plate girder bridge over Paint Creek on Abandoned Chicago, Milwaukee, St. Paul & Pacific Railroad
Abandoned, one span removed, but sitting nearby

MILW - Pile-Pontoon Bridge (Clayton County, Iowa)
(Main design: Pontoon)
Built 1913; Disassembled 1961
Lost Pontoon bridge over Mississippi River on Chicago, Milwaukee, St. Paul & Pacific Railroad
Removed

MILW - Rapid Creek Bridge #1 (Pennington County, South Dakota)
Built 1907
Pony/through plate girder bridge over Rapid Creek on Abandoned Chicago, Milwaukee, St. Paul & Pacific Railroad
Intact but closed to all traffic

MILW - South Cle Elum Turntable (Kittitas County, Washington)
Built 1910
Lost Pony/through girder bridge on Chicago, Milwaukee, St. Paul & Pacific Railroad
Removed but not replaced

MILW - South Fork Root River Bridge (Houston County, Minnesota)
Built 1895
Abandoned pony/through plate girder bridge over South Fork Root River on Abandoned Chicago, Milwaukee, St. Paul & Pacific Railroad
Abandoned

Milwaukee Avenue Viaduct (Cook County, Illinois)
(Main design: Warren through truss)
Lost Warren through truss bridge over Chicago, Milwaukee, St. Paul & Pacific Railroad on Milwaukee Avenue
Removed

Mineshaft Road Steel Bridge (Bureau County, Illinois)
Built in 1908 by American Birdge Co. Adapted for road after railway was abandoned
Pony/through plate girder bridge over Spring Creek on Mineshaft Rd (former C&NW Ry)
Open to traffic

Minuteman Commuter Bikeway - Grant Street Overpass (Middlesex County, Massachusetts)
Built 1905
Pony/through plate girder bridge over Grant Street on Minuteman Commuter Bikeway
Open to pedestrians only

Minuteman Commuter Bikeway - Grove Street Overpass (Middlesex County, Massachusetts)
Built 1900
Pony/through plate girder bridge over Grove Street on Minuteman Commuter Bikeway
Open to pedestrians only

MNA - Spring River Bridge (Jasper County, Missouri)
Pony Plate Girder bridge over Spring River and a branch line of the MNA Railway on MNA Railroad
Open to traffic

MNCW - Cortlandt Bridge (Westchester County, New York)
Built 1997
Pony/through plate girder bridge over Annsville Creek on Railroad
Open to traffic

MNCW - Croton River Bridge (Westchester County, New York)
(Main design: Baltimore through truss)
Built 1908-1915; piers & abutments rerehabilitated 1993; westernmost spans replaced 2013
Baltimore through truss and through-plate girder bridge over Croton River on Metro-North Commuter Railroad
Open to traffic

MNCW - East Main Street Overpass (Orange County, New York)
Pony/through plate girder bridge over East Main Street on Metro-North Railroad


MNCW - Jackson Street Overpass (New Haven County, Connecticut)
Built 1910
Pony/through plate girder bridge over Jackson Street on Metro-North Waterbury Branch
Open to traffic

MNCW - Wappinger Creek Bridge (Dutchess County, New York)
(Main design: Pony/through plate girder)
Built 1909
Pony plate girder bascule bridge over Wappinger Creek on Metro-North Commuter Railroad
Open to rail traffic, but permanently closed with counterweight removed

MNCW/MNCR Overpass (Dutchess County, New York)
Pony/through plate girder bridge over MNCR Hudson Line on MNCR Beacon Line
Open to traffic

MO 53 Viaduct (Butler County, Missouri)
(Main design: Pratt through truss)
Replaced 1990
Lost Pratt through truss bridge over Missouri Pacific Railroad on MO 53
Replaced by new bridge

MO45 Bear Creek Bridge (Platte County, Missouri)
Built 1936; replaced 2009
Lost pony plate girder bridge over Bear Creek on MO 45
Replaced by a new bridge

Monon Trail - Central Canal Bridge (Marion County, Indiana)
Pony plate girder bridge over Central Canal on Monon Trail (former Monon Railroad)
Open to pedestrians