There are 6,567 bridges in this category · Only showing 4,674 bridges with photos
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Plate girder

McAlpine Locks Bridge (N) (Jefferson County, Kentucky)
Deck plate girder bridge over Ohio River Louisville & Portland Canal on 27th Street
Replaced by a new bridge

McAlpine Seaboard Air Line Railroad Bridge (Mecklenburg County, North Carolina)
Built 1911
Deck plate girder bridge over McAlpine Creek on SAL/SCL/CSXTRR
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

McKinley Bridge Bikeway - Branch Street Trestle (St. Louis, Missouri)
Built 1910 with the McKinley Bridge for Illinois Traction System; closed to railroad traffic in 1977; reopened to pedestrians June 7, 2008
Deck girder bridge connecting Branch Street to the McKinley Bridge on former Illinois Terminal Railroad at St. Louis
Open to pedestrians

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

McMullin CR660 Overpass (Smyth County, Virginia)
Bridge made in 1915 by Virginia Bridge & Iron Co.; closed in 2014
Deck plate girder bridge over N&S tracks on Railroad Drive (County Road 660)
Intact but closed to all traffic

McNary Dam Locks Bridge (Benton County, Washington)
Built 1954
Deck plate girder bridge crossing the Columbia River
Open to authorized vehicles only

MCR - Lake Britton Bridge (Shasta County, California)
(Main design: Deck plate girder)
Built 1955
Deck plate girder bridge over Lake Britton on McCloud River Railroad
Closed to traffic

MCRM - Baraboo River Bridge (Sauk County, Wisconsin)
Built in 1903; 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

MD90 Intracoastal Waterway Bridge (Worcester County, Maryland)
Lost Deck plate girder bridge over Intracoastal Waterway on Route 90 Ocean City Expressway
Replaced by Assawomen Bay Bridge

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


ME - East Linden Avenue Overpass (Union County, New Jersey)
Deck plate girder bridge over East Linden 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 - Androscoggin River Reservoir Bridge (Androscoggin County, Maine)
Built 1901
Abandoned bridge
Derelict/abandoned

MEC - East St. Johnsbury Bridge (Caledonia County, Vermont)
Abandoned 1983
Abandoned deck plate girder bridge over Moose River on Abandoned Maine & Central Railroad
Derelict/abandoned

MEC - Gulf Stream Trestle (Somerset County, Maine)
Built 1904, RR abandoned 1933, removed 1976
Lost Bridge over Gulf Stream on Maine Central Railroad
Removed but not replaced

MEC - Moose River Bridge (Caledonia County, Vermont)
Built 1928 by Bethlehem Steel Co.; Abandoned 1983
Abandoned deck plate girder bridge over Moose River on Abandoned Maine & Central Railroad
Derelict/abandoned

Meherrin River Bridge (Greensville County, Virginia)
(Main design: Pratt through truss)
Pratt through truss bridge over Meherrin on CSXTRR
Open to traffic

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

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

Merchants Bridge (St. Louis, Missouri)
(Main design: Pennsylvania through truss)
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.

MERR - Abagadasset River Bridge (Sagadahoc County, Maine)
Deck girder bridge over Abagadasset River on MERR
Intact but closed to all traffic

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 - 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 - Nequasset Stream Bridge (Sagadahoc County, Maine)
Deck plate girder bridge over Nequasset Stream on Railroad
Open to traffic

MERR - New Meadows River Bridge (Sagadahoc County, Maine)
Deck plate girder bridge over New Meadows River on Maine Eastern 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 - 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

MERR - Whiskeag Creek Bridge (Sagadahoc County, Maine)
Deck plate girder bridge over Goose Cove on Railroad
Open to traffic

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

Merrimack-Methuen Bridge (Essex County, Massachusetts)
Built 1959; rehabilitated 1975
Deck plate girder bridge over Merrimack River on I 93
Open to traffic

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

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 - Cal-Sag Canal Bridge (Cook County, Illinois)
(Main design: Polygonal Warren through truss with all verticals)
Warren through truss bridge over Cal-Sag Channel on Norfolk Southern/Metra RR's
Open

Metropolitan Park Commission Bridge (Essex County, Massachusetts)
Built 1906; replaced 1934
Lost Deck plate girder bridge over Saugus River on Massachusetts Route A1
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

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 Norfolk Southern Railway Bridge (Wake County, North Carolina)
Deck plate girder bridge over Middle Creek on NSRR
Open to traffic

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

Middle Seneca Bridge (Cuyahoga County, Ohio)
Lost Bridge over Cuyahoga River on Middle Seneca
No longer exists

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


Midland Valley - 11th Street Overpass (Tulsa County, Oklahoma)
Built c. 1930 by Midland Valley Railroad; demolished c. 1977
Lost deck plate girder bridge over E. 11th St. on Midland Valley Railroad in Tulsa
Replaced by highway overpass for expressway built on old railroad right-of-way.

Midway Bridge (Marquette County, Michigan)
Built 1956
Deck plate girder bridge over US 41 on LS&I Railroad
Open to traffic above and below

Milaca Trail System - Rum River Bridge (Mille Lacs County, Minnesota)
Built 1941
Deck plate girder bridge over Rum River on City Trail
Open to pedestrians only

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

Miller Ferry Road Underpass (Gordon County, Georgia)
Built 1947
Deck plate girder bridge over S-2857 Miller Ferry Road on Norfolk Southern Railway
Open to traffic

Milltown Railroad Bridge (Crawford County, Indiana)
Deck plate girder bridge over Blue River on NS (Former Southern) Railway in Milltown
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 - 280th Avenue Overpass (Clay County, Iowa)
Lost Deck plate girder bridge over 280th Avenue on Chicago, Milwaukee, St. Paul & Pacific Railroad
Removed

MILW - Belt Creek Trestle (Cascade County, Montana)
Built ca. 1914
Abandoned Deck plate girder bridge over Belt Creek on Former Milwaukee Road Railway
Derelict/abandoned

MILW - Black Bridge (Jackson County, Minnesota)
Built 1899-1900; Removed 1981
Lost deck plate girder bridge over Des Moines River on Chicago-Milwaukee and Pacific RR in Jackson
Removed

MILW - Blacktail Trestle (Silver Bow County, Montana)
Built 1908
Abandoned deck plate girder bridge over Blacktail Creek/Roosevelt Drive on Railroad (MILW)
Abandoned

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

MILW - Cedar River Bridge (Linn County, Iowa)
(Main design: Warren deck truss)
Built 1905, widened in 1913, lost 1983
Lost Warren Deck Truss bridge over Cedar River on Former Milwaukee Road
Removed

MILW - Cheyenne River Bridge (Pennington County, South Dakota)
(Main design: Pratt through truss)
Built 1907
Pratt through truss bridge over Cheyenne River on Former CMStP&P Railroad
Intact but closed to all traffic

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)
(Main design: Pony/through plate girder)
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 - Cone Lake Bridge (Old) (Muscatine County, Iowa)
Built 1911, Collapsed 1912 due to the sinking of pier #4
Lost Deck plate girder bridge over Cone Lake on Railroad
Collapsed

MILW - Copper Creek Trestle (Jackson County, Iowa)
Lost Deck plate girder bridge over Copper Creek on Railroad
Removed

MILW - Eagle's Nest Trestle (Gallatin County, Montana)
Deck plate girder bridge over Sixteenmile Creek on Francis Road (Formerly Milwaukee Road)
Open to private traffic only.

MILW - Fishing River ridge (Clay County, Missouri)
Railroad shown as spur on 1945 map
Lost Deck plate girder bridge over Fishing River on Railroad
Removed but not replaced

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 - Hangman Creek Viaduct (Whitman County, Washington)
Built 1908
Abandoned deck plate girder bridge over WA 27. Railroad Avenue, & Hangman Creek on Railroad (MILW)
Abandoned

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 - Indian Creek Bridge (Linn County, Iowa)
Built 1915
Deck plate girder bridge over Indian Creek on Planned extension of the Lindale Trail
Abandoned

MILW - Indian Creek Bridge (Story County, Iowa)
Built 1912; Removed 1982
Lost Deck plate girder bridge over Indian Creek on Railroad
Removed

MILW - Iowa River Bridge (Louisa County, Iowa)
(Main design: Warren through truss)
Built 1902; 7 girder spans filled in ca. 1955; Removed in the 1980s
Lost Warren through truss bridge over Iowa River on Chicago, Milwaukee, St. Paul & Pacific Railroad
Removed but not replaced

MILW - Keystone Gulch Road Overpass (Mineral County, Montana)
Lost Deck plate girder bridge over Keystone Gulch Road on Abandoned Chicago, Milwaukee, St. Paul & Pacific Railroad
Removed but not replaced

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 - Lind Viaduct (Adams County, Washington)
Lost Deck plate girder bridge over BNSF Railroad on Former CMStP&P Railroad
Removed but not replaced

MILW - Lost Lake Crossing (Tama County, Iowa)
Lost Deck plate girder bridge over Local lake on formerly Chicago, Milwaukee, St. Paul & Pacific Railroad
No longer exists

MILW - Madrid High Bridge (Old) (Boone County, Iowa)
(Main design: Deck truss)
Built 1913 as a double track bridge, relegated to single track in 1934, replaced in 1973
Lost Deck truss bridge over Des Moines River on Railroad
Replaced by new bridge

MILW - Madrid High Bridge (Older) (Boone County, Iowa)
Built 1888; Replaced 1913
Lost Deck plate girder bridge over Des Moines River on Chicago, Milwaukee, St. Paul & Pacific Railroad
Replaced by a new bridge

MILW - Manning Viaduct (Old) (Carroll County, Iowa)
Built 1???; Replaced 1913
Lost Deck plate girder bridge over Center Street, West Nishnabota River & Chicago Great Western Railway on Chicago, Milwaukee, St. Paul & Pacific Railroad
Replaced by a new bridge

MILW - Mendota Swing Bridge (Hennepin County, Minnesota)
(Main design: Warren through truss)
Built 1900, Removed 1957
Lost Warren through truss bridge over Minnesota River on Former Milwaukee Road
Removed but not replaced

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 - Mineral Creek Bridge (Jones County, Iowa)
Lost Deck plate girder bridge over Mineral Creek on Chicago, Milwaukee, St. Paul & Pacific Railroad
Removed

MILW - Missouri River Bridge (Broadwater County, Montana)
Built 1907
Abandoned deck plate girder bridge over Missouri River on Railroad
Abandoned

MILW - Missouri River Bridge (Old) (Walworth County, South Dakota)
(Main design: Through truss)
Built 1907; Replaced 1961
Lost Through truss bridge over Missouri River on Chicago, Milwaukee & St. Paul Railroad
Replaced by a new bridge

MILW - Mosquito Creek Bridge #5 (Old) (Pottawattamie County, Iowa)
Lost Deck plate girder bridge over Mosquito Creek on Chicago, Milwaukee, St. Paul & Pacific 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 - Musselshell River Bridge (Golden Valley County, Montana)
Milwaukee route
Deck plate girder bridge over Musselshell River on Private road
Open to traffic

MILW - Negro Gulch Bridge (Mineral County, Montana)
Built 1908
Lost Deck plate girder bridge over Negro Gulch, Mountain Creek & Mountain Creek Road on Chicago, Milwaukee, St. Paul & Pacific Railroad
Removed

MILW - Ninemile-Soudan Viaduct (Missoula County, Montana)
Built ca. 1908
Lost Deck plate girder bridge over Ninemile Creek & Former US 10 on Chicago, Milwaukee, St. Paul & Pacific Railroad
Removed but not replaced

MILW - North Skunk River Bridge (Keokuk County, Iowa)
(Main design: Pratt through truss)
Line abandoned 1979, bridge removed shortly thereafter
Lost Pratt through truss bridge over North Skunk River on former Milwaukee Road
Demolished

MILW - Olin Bridge (Jones County, Iowa)
(Main design: Warren pony truss with all verticals)
Built here 1913, Removed 1980
Lost Warren pony truss with all verticals bridge over Wapsipinicon River on Chicago, Milwaukee, St. Paul & Pacific Railroad
Removed but not replaced

MILW - Paint Creek Bridge #3 (Allamakee County, Iowa)
(Main design: Pony/through plate girder)
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