Currently showing all bridges · Only show bridges with photos
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Span length 250-500 feet

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McKees Rocks Bridge - Railroad Spans (Allegheny County, Pennsylvania)
Built 1931; rehabilitated 1987
Steel through arch bridge over CSX Railroad on SR 3104 (Mckees Rocks Bridge)
Open to traffic

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

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 (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.

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 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

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 Street Bridge (Pierce County, Washington)
Built 1925; rehabilitated 1951
Through truss bridge over Puyallup River on WA 167 in Puyallup
In storage

Meridian Street Bridge (Old) (Suffolk County, Massachusetts)
Built ca. 1910; demolished 1950; replacement completed 1954
Lost Through truss bridge over Chelsea River on Meridian Street
Replaced by new bridge

MERR - Carlton Lift Bridge (Sagadahoc County, Maine)
Built 1927 by McClintic-Marshall Co. ; rehabilitated 1976; Bypassed by new highway bridge in 2000
Warren through/deck truss lift Bridge over Kennebec River on Maine Eastern Railroad and former US 1 in Bath
Open to railroad traffic only

Metra - Cal-Sag Bridge (Cook County, Illinois)
Pair of through truss bridges over Calumet Sag Channel on Metra Rock Island Line
Open to traffic

Metra - Cal-Sag Canal Bridge (Cook County, Illinois)
Warren through truss bridge over Cal-Sag Channel on Norfolk Southern/Metra RR's
Open

Metzen Bridge (Brown County, Minnesota)
Built 1880; Removed 1981
Whipple through truss bridge over Cottonwood River on Bridge Street
Removed

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

Michigan Avenue Bridge (Cook County, Illinois)
Built 1920; repaired after freak accident 1992
Bascule bridge over Main Branch Chicago River on Michigan Avenue (former US 14) in Chicago
Open to traffic

Milford-Montague Toll Bridge (Pike County, Pennsylvania)
Built 1953; rehabilitated 1983
Warren deck truss bridge over Delaware River on US 206 in Milford
Open to traffic

Millard E. Tydings Memorial Bridge (Cecil County, Maryland)
Built 1962; Rehabilitated 1988
Deck truss bridge over Susquehanna River on I-95
Open to traffic

Million Dollar Bridge (Valdez-Cordova Census Area, Alaska)
Built 1910 on the CR&NW Railroad; closed 1938; reopened as a highway bridge in 1958; fourth span collapsed in earthquake on March 27, 1964, collapsed span repaired 2005
Four-span through truss bridge over Copper River on Copper River Highway
Open to one-lane traffic

MILW - La Crescent Swing Bridge (Old) (La Crosse County, Wisconsin)
Built 1876; Replaced 1902
Lost Whipple through truss bridge over Mississippi River on Chicago, Milwaukee, St. Paul & Pacific Railroad
Replaced by a new bridge

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

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

MILW - Reads Landing Pontoon Bridge (Wabasha County, Minnesota)
Originally built 1882; Rebuilt 1890 and 1932 due to ice jams destroying portions of the bridge; Approaches destroyed by flooding and bridge removed 1951
Lost Timber stringer bridge over Mississippi River on Chicago, Milwaukee, St. Paul & Pacific Railroad
Removed

MILW - Short Line Bridge (Old) (Hennepin County, Minnesota)
Built 1880; Replaced 1902
Lost Whipple deck truss bridge over Mississippi River on Chicago, Milwaukee, St. Paul & Pacific Railroad & Road
Replaced by a new bridge

Minersville Bridge (Cambria County, Pennsylvania)
Built 1914; rehabilitated 1985
Through truss bridge over Conemaugh River on PA 3039 (4th Ave) connecting Cambria City to Minersville and Cambria Iron's Lower Works
Open to traffic

MKT - Boonville Railroad Bridge (1st) (Cooper County, Missouri)
Built 1873-74 by the American Bridge Works. under W.G. Coolidge. Opened to railroad traffic Jan. 10, 1874. Rehabilitated 1883-84 by Kellogg and Maurice, of Athens, Pennsylvania.
Lost through truss swing bridge over the Missouri River on the MKT Railroad at Boonville
Replaced by a new bridge

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 - Boonville Railroad Bridge (3rd) (Cooper County, Missouri)
Built 1932, abandoned in 1992 and donated to city by Union Pacific; reopened for rail-trail use April 2016.
Vertical-lift through truss bridge over the Missouri River on Future Katy Trail in Boonville
Partially opened to rail-trail use April 2nd, 2016

MLK Approach Span (St. Clair County, Illinois)
Built 1950; rehabilitated 1989
Warren through truss bridge over WB I-70, Missouri Ave. & railroad on M. L. King Bridge Approach in East St. Louis
Open to traffic

MN77 Minnesota River Bridge (Hennepin County, Minnesota)
Built 1978
Steel through arch bridge over Minnesota R & Black Dog on MN 77 N& S bounds
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 - Saugatuck River Bridge (Fairfield County, Connecticut)
Built 1904, rehabilitated 1990
Bridge over Saugatuck River on Metro-North Commuter Railroad
Open to traffic

Mohawk River Barge Canal Bridge (Montgomery County, New York)
Built 1932; rehabilitated 1993
Through truss bridge over Mohawk River Barge Canal on NY 80 in Nelliston
Open to traffic

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

Monitor-Merrimac Memorial Bridge-Tunnel (Suffolk, Virginia)
Built 1992
Tunnel under Hampton Roads on I-664
Open to traffic

Monroe - Barnet Bridge (Grafton County, New Hampshire)
Built 1937; rehabilitated 2000
Through truss bridge over Connecticut River on Barnet Road in Monroe
Open to traffic

Monroe Street Bridge (Spokane County, Washington)
Built 1911; reconstructed 2005
Concrete arch bridge over Spokane River on Monroe Street in Spokane
Open to traffic

MoPac - Ouachita River Bridge (Union County, Arkansas)
Built 1902-3; Removed ca. 1973
Lost Bridge over Ouachita River on Missouri Pacific Railroad
Removed

Mores Creek Bridge (Ada County, Idaho)
Built 1953
Steel arch bridge over Mores Creek (Lucky Peak Reservoir) on ID 21
Open to traffic

Mormon Bridge (Douglas County, Nebraska)
Eastbound bridge built 1952; westbound built 1975
Pair of through truss bridges over Missouri River on I-680 in Omaha
Open to traffic

Morris Bridge (Grundy County, Illinois)
Built 1934; rehabilitated 1978; replaced 2002
Lost five-span through truss bridge over the Illinois River on IL 47 at Morris
Replaced by modern bridge

Morrison Bluff Bridge (Logan County, Arkansas)
Built 1980. At 1.6 miles this is the longest bridge in Arkansas
Bridge over Arkansas River on AR 109 at Morrison Bluff
Open to traffic

Morrison Bridge (Multnomah County, Oregon)
Built 1958
Bascule bridge over Willamette River on Morrison Street in Portland
Open to traffic

Mosier Tunnel (Wasco County, Oregon)
Built 1920, Closed due to rock fall problems 1953, Reopened to public in 2000
Tunnel under Mosier Tunnel on Historical Columbia River Highway Trail
Open to pedestrians

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

Moyie Bridge (Boundary County, Idaho)
Built 1965
Deck truss bridge over Moyie River Gorge on US 2 in Moyie Springs
Open to traffic

Mud Run Bridge (Carbon County, Pennsylvania)
Built 1957; rehabilitated 1992
Deck truss bridge over Mud Run on the Pennsylvania Turnpike (I-476)
Open to traffic

Myrtle Avenue Bridge (Duval County, Florida)
Built 1955
Steel through arch bridge over Myrtle Avenue on I-95 in Jacksonville
Open to traffic

N&W - Black Bridge (Fayette County, Pennsylvania)
Built Ca 1930, Abandoned Mid 70's
Abandoned parker through truss bridge over Youghiogheny River, CSX Railroad, Mount Creek on Formerly Norfolk and Western
Abandoned

N&W Railroad South Dixi Bridge (Allen County, Ohio)
Built 1923; rehabilitated 1989
Pony truss bridge over N&W Railroad South Dixi on Lima-Metcalf Street
Open to traffic

Narrows Bridge (Cleburne County, Arkansas)
Built 1961 in conjunction with the creation of the lake
Continuous through truss bridge over Little Red River (Greers Ferry Lake) on AR 16 between Higden and Greers Ferry
Open to traffic

NECR Burlington Branch - Winooski River Bridge #2 (Chittenden County, Vermont)
Polygonal Warren through truss with all verticals bridge over Winooski River on NECR Burlington Branch
Open to traffic

Nenana River Bridge (Denali Borough, Alaska)
Built 1963
Through truss bridge over Nenana River on Parks Highway (AK 3)
Open to traffic

Nenana River Bridge (Denali Borough, Alaska)
Built 1970
Deck truss bridge over Nenana River At Moody on Parks Highway
Open to traffic

Neosho River Bridge (Neosho County, Kansas)
Built ca. 1910
Through truss bridge over Neosho River, 2.2 mi. east and 2.9 mi. south of Chanute
Removed but not replaced

Neosho River Bridge (Ottawa County, Oklahoma)
Built 1935; replaced 1997
Lost through truss bridge over Neosho River on US 69
Replaced by new bridge

New Canal Bridge (Madison County, Illinois)
Built ca. 1963
Pair of cantilevered through truss bridges over Chain of Rocks Canal on I-270 in Granite City
Replaced by a new bridge

New Harmony Bridge (Posey County, Indiana)
Built 1930, Ownership transferred to White County Bridge Commision in 1941.
Four-span through truss toll bridge over Wabash River on IL 14 at New Harmony, Indiana
Closed to traffic May 21, 2012

New Keokuk-Hamilton Bridge (Lee County, Iowa)
Built 1985
Steel stringer bridge over Mississippi River & Rr,R on Us 136 in Keokuk
Open to traffic

New KY 451 Bridge (Perry County, Kentucky)
Built 2009
Bridge over N. Fork Kentucky River on KY 451


New Parks Bar Bridge (Yuba County, California)
Bridge was built in 1993 to replace the old Parks Bar Bridge
Bridge over Yuba River on Highway 20
Open to traffic

New River Bridge (Giles County, Virginia)
Through truss bridge over New River on Norfolk Southern Railroad
Open to traffic

New Sharon Bridge (Franklin County, Maine)
Built 1916 by the Groton Bridge Co., Demolished on February 27, 2014.
Through truss bridge over Sandy River on Town Way in New Sharon
Demolished on February 27, 2014.

Newport Bridge (Jackson County, Arkansas)
Built 1930
Cantilevered through truss bridge on AR 367 (formerly US 67) over White River at Newport
Open to two-lane traffic

Niangua Arm US 54 Bridge (Camden County, Missouri)
Built 1930-31; replaced 1999
Lost cantilevered through truss bridge over Niangua Arm, Lake of the Ozarks, on US 54 southwest of Camdenton
Replaced by a new bridge

Niangua Bridge (Camden County, Missouri)
Built 1935-36; demolished in 2003
Lost deck truss bridge over Niangua Arm, Lake of the Ozarks, on MO 5/7 northwest of Camdenton
Replaced by modern bridge

Nickells Valley Road Bridge (Hickman County, Tennessee)
Bypassed by new bridge in 1962
Abandoned Pennsylvania through truss bridge over Duck River on Nickells Valley Rd
Abandoned

Nisqually Glacier Bridge (Pierce County, Washington)
Built 1958
Deck plate girder bridge over Nisqually River on Nisqually Road
Open to traffic

NM - Missouri River Bridge (St. Charles County, Missouri)
Built 1868; damaged by derailment 1879, 1881. Substantial upgrade finish about 1884 replacing effectively the entire structure
North Missouri Railroad Fink deck truss and Trellis through truss bridge at St. Charles, MO
Upgraded 1880-1884

Nooksack River Bridge (NB 539) (Whatcom County, Washington)
Built 1950
Warren truss bridge over Nooksack River on WA 539
Open to traffic

Nooksack River Bridge (SB 539) (Whatcom County, Washington)
Built 2009
Modern Warren truss bridge over Nooksack River on SB 539
Open to traffic

Norfork Lake 101 Bridge (Baxter County, Arkansas)
Built 1982
Girder bridge over Norfork Lake on Sh 101
Open to traffic

Norfork Lake Bridge (Baxter County, Arkansas)
Built 1982
Girder bridge over Norfork Lake on US 412 & US 62
Open to traffic

North Branch Chicago River North Avenue Bridge (Cook County, Illinois)
Built 2007-Hybrid Suspension/Cable-stayed bridge
Bridge over North Branch Chicago River on North Avenue
Open to traffic

North Fork Feather River Bridge (Butte County, California)
Built 1932
Steel arch bridge over North Fork Feather River on CA 70
Open to traffic

North Fork Feather River Bridge (Plumas County, California)
Built 1936
Through truss bridge over North Fork Feather River on CA 70 at Rock Creek
Open to traffic

North Fork Stillaguamish River Bridge (Snohomish County, Washington)
Built 1966
Steel through arch bridge over North Fork Stillaguamish River on WA 530
Open to traffic

North Grand Island Bridge (NB) (Erie County, New York)
Built 1935; rehabilitated 1990
Deck truss bridge over Niagara River on I-190 in Niagara Falls
Open to traffic

North Grand Island Bridge (SB) (Niagara County, New York)
Built 1963
Warren deck truss with all verticals bridge over Niagara River on I-190
Open to traffic

North Williston Bridge (Chittenden County, Vermont)
Built 1925 by the Standard Engineering & Contracting Co.; closed to traffic in 1990; replaced 1993
Lost Pennsylvania through truss bridge over Winooski River on North Williston Road
Replaced by new bridge

Northampton Street Bridge (Northampton County, Pennsylvania)
Built 1896; damaged and fixed 1955; rehabilitated 2002
Cantilevered through truss bridge over Delaware River on Northampton Street
Open to two-lane traffic with a 3 ton weight limit

Northern Avenue Bridge (Suffolk County, Massachusetts)
Built 1908, rehabilitated 1979, closed to vehicles 1997, closed to pedestrians 2014
Pratt through truss bridge over Fort Point Channel on Northern Avenue
Intact but closed to all traffic

Notre Dame Bridge (Hillsborough County, New Hampshire)
Built 1936; replaced 1988
Steel Arch bridge over Merrimack River on Bridge Street in Manchester
Replaced by a new bridge

Novelty Bridge (King County, Washington)
Built 2000
Steel through arch bridge over Snoqualmie River on NE 124th Street in Union Hill-Novelty Hill
Open to traffic

Noyo River Bridge (Mendocino County, California)
Built 1948
Deck truss bridge over Noyo River on CA 1 in Fort Bragg, replaced 2005
Demolished, replaced by new bridge 2005

NP - South Fork Willapa River Bridge (Pacific County, Washington)
Through truss bridge over South Fork Willapa River on former Northern Pacific Railroad in Raymond
Derelict/abandoned

NPB - Elizabeth River Lift Bridge (Chesapeake, Virginia)
Through truss bridge over Elizabeth River on Norfolk and Portsmouth Belt Line Railroad
Open to traffic

NS - Fort Wayne Bridge (Allegheny County, Pennsylvania)
Built 1901-1904; replaced earlier 1868 lattice truss bridge; raised 1918; lower deck tracks removed c1950s
Pennsylvania through truss bridge over Allegheny River on Norfolk Southern Railroad
Open to traffic

NS - Hannibal Bridge (Marion County, Missouri)
Built 1993
Vertical-lift through truss bridge over the Mississippi River on the Norfolk Southern Railroad at Hannibal
Open to railroad traffic

NS - New Geneva Bridge (Fayette County, Pennsylvania)
Built 1912-13
Pennsylvania through truss bridge over Monongahela River on Norfolk Southern Railroad
Open to traffic

NS - Point Pleasant Bridge (Mason County, West Virginia)
Original bridge built 1885; replaced with newer structure 1919
Pennsylvania through truss bridge over Ohio River on Norfolk Southern Railway
Open to traffic

NS - Port Perry Bridge (Allegheny County, Pennsylvania)
Built 1903
Through truss bridge over Monongahela River on Norfolk Southern RR
Open to traffic

NY30A Erie Barge Canal Bridge (Montgomery County, New York)
Built 1989
Modern polygonal Warren through truss bridge over Erie Barge Canal on Rte 30a
Open to traffic

NYC - Harlem River Swing Bridge (New York County, New York)
Built 1896; Replaced 1954
Lost Pratt through truss bridge over Harlem River on New York Central Railroad
Replaced by a new bridge

NYC - Maiden Lane Bridge (Albany County, New York)
Built 1899, Demolished 1968.
Lost Baltimore through truss bridge over Hudson River, Maiden Lane on New York Central Railroad
Removed

NYC - Rondout Bridge (Ulster County, New York)
Built 1882
Lost Whipple through truss bridge over Rondout Creek on NYC West Shore Line
Replaced by a new bridge

O'Neal Bridge (Colbert County, Alabama)
Built 1939
Cantilevered Warren through truss bridge over Tennessee River on US 43 between Florence and Sheffield
Open to traffic

Oak Orchard Creek Bridge (Orleans County, New York)
Built 1936; rehabilitated 1998
Through truss bridge over Oak Orchard Creek on NY 18
Open to traffic

Occoquan River Bridge (Prince William County, Virginia)
Parker through truss bridge over Occoquan River on Richmond, Fredericksburg and Potomac Railroad
Open to traffic

Ocean to Ocean Highway Bridge (Yuma County, Arizona)
Built 1914; rehabilitated 1943; rehabilitated again in 2002.
Through truss bridge over Colorado River on Penitentiary Avenue
Open to traffic

OH8 High Level Bridge (Summit County, Ohio)
Built 1953; rehabilitated 1987
Deck truss bridge over Little Cuyahoga River and Elizabeth Park Valley on Route 8
Open to traffic