There are 2,383 bridges in this category · Only showing 870 bridges with photos
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Built during 1950s

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Martinton Ditch Bridge (Iroquois County, Illinois)
Built 1955
Pony truss bridge over Martinton Ditch No. 3 on TR 320
Open to traffic

Masters Creek Bridge (Bureau County, Illinois)
Built 1952
Steel stringer bridge over Masters Creek on 2200N Ave (CH12)
Open to traffic

Mathews Bridge (Duval County, Florida)
Built 1953
Cantilever Through truss bridge over St. Johns River on FL 10A in Jacksonville
Open to traffic

Mattole Road Bridge (Humboldt County, California)
Built 1958
Deck truss bridge over Mattole River on Mattole Road
Open to traffic

Mauldin Road Bridge (Gordon County, Georgia)
Built 1956, looks to have been rebuilt recently
Steel stringer bridge over Salacoa Creek on Mauldin Road
Open to traffic

Maumee River Bridge (Lucas County, Ohio)
Built 1956; rehabilitated 1980
Bascule bridge over Maumee River on I-280 in Toledo
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

McCallie Tunnels (Hamilton County, Tennessee)
Built ca. 1950, specifically to handle tourist traffic on U.S. 11 & 64
Tunnels under Missionary Ridge on U.S. 11 & 64
Open to traffic

McCausland Avenue UPRR Bridge (St. Louis, Missouri)
Built 1958; replaced 1992 by a new bridge on a new alignment of the railroad
Lost steel stringer bridge over McCausland Avenue on the Union Pacific Railroad, just south of Manchester Avenue in St. Louis
Replaced by new bridge

McGee Creek Bridge (Hood River County, Oregon)
Built 1952
Wooden Kingpost pony truss bridge over McGee Creek on Lolo Pass Road
Open to traffic

McGirr Rd Bridge (De Kalb County, Illinois)
Built 1954
Steel stringer bridge over S. Branch Kishwaukee River on Mcgirr Road
Open to traffic

McKeown Bridge (Muscatine County, Iowa)
Built 1951
Steel stringer bridge over Cedar River on Former alignment of 231st Street
Intact but closed to vehicular traffic.

McKinney Creek Bridge (Placer County, California)
Built 1950
Timber stringer bridge over Mckinney Creek on Mckinney Creek Road in Homewood
Open to traffic

Meeker Drive Bridge (Cowlitz County, Washington)
Built 1952
Truss bridge over Kalama River on Meeker Drive
Open to traffic

Melblanc Road Bridge (Brown County, Ohio)
Built ca. 1950
Pony truss bridge over West Fork of Ohio Brush C on TR 201
Open to traffic

Memorial Drive Pedestrian Bridge (Harris County, Texas)
Built 1955
Girder bridge over Memorial Drive on Pedestrian crossing
Open to pedestrians only

Memorial Toll Bridge (Wood County, West Virginia)
Built 1955
Cantilevered Warren through truss and Cantilevered Warren through truss trusses bridge over Ohio River in Parkersburg
Open to traffic

Merrimack River Bridge (Essex County, Massachusetts)
Built 1954
Through arch bridge over Merrimack River on I-95 in Amesbury
Open to traffic

Methow River Bridge (Okanogan County, Washington)
Built 1950
Through truss bridge over Methow River on WA 153
Open to traffic

Middle Avery Creek Bridge (Monroe County, Iowa)
Built 1956
Pony truss bridge over Middle Avery Creek on 730th Avenue of Monroe County
Open to traffic

Middle Fork City Street Bridge (Monroe County, Missouri)
Built 1955
Pony truss bridge over Middle Fork Salt River on a city street in Paris
Open to traffic

Middle Fork Willamette River Bridge (Lane County, Oregon)
Built 1955
Wooden deck truss bridge over Middle Fork Willamette River on a USFS Road 2127
Open to traffic

Middle River CR 435 Bridge (Callaway County, Missouri)
Built ca. 1955
Stringer bridge over Middle River on CR 435
Open to traffic

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

Mile High Swinging Bridge (Avery County, North Carolina)
Built 1952, Reconstructed 1999
Suspension bridge over chasm at Grandfather Mountain on pedestrian trail


Mill Creek Bridge (Putnam County, Indiana)
Built ca. 1950
Pony truss bridge over Mill Creek on CR 1200 South
Open to traffic

Mill Creek Bridge (Washington County, Missouri)
Built 1950
Steel stringer bridge over Mill Creek on CR 408
Open to traffic

Millport Route M Bridge (Knox County, Missouri)
Built 1954 to replace the collapsed Millport Covered Bridge
Skewed pony truss on Route M near Millport over Middle Fork Fabius River
Demolished

Mingo Ditch Route T Bridge (Stoddard County, Missouri)
Built 1955
Steel stringer bridge with wooden piers over Mingo Ditch on Route T
Open to two-lane traffic

Minnesota River Bridge (Blue Earth County, Minnesota)
Built 1954; replaced 2007
Lost two-span through truss bridge over Minnesota River on CR 42
Demolished

Mississippi River Slough Bridge (Buffalo County, Wisconsin)
Built 1955
Lost pony truss bridge over Mississippi River Slough on WI 25 in Nelson
Removed and replaced

Mitchell Branch Bridge (Yell County, Arkansas)
Beam bridge over Mitchell Branch on Arkansas 80
Open to traffic

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

Modrow Road Bridge (Cowlitz County, Washington)
Built 1958
Steel arch bridge over Kalama River on Modrow Road
Open to traffic

Mohawk River Bridge (Albany County, New York)
Built 1959; rehabilitated 1976
Pair of steel through arch bridges over Mohawk River on I-87
Open to traffic

Monaca-East Rochester Bridge (Beaver County, Pennsylvania)
Built 1959; rehabilitated 1993
Through truss bridge over the Ohio River on Pennsylvania Avenue in Monaca
Open to traffic

Monitor-Mckee Road Bridge (Marion County, Oregon)
Built 1950
Parker through truss bridge over Pudding River on Monitor-Mckee Road
Open to traffic

Monocacy River Bridge (Frederick County, Maryland)
Built 1955; rehabilitated 1987
Deck truss bridge over Monocacy River on MD 144FA EB in Frederick
Open to traffic

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

Morgan Road Bridge (Lee County, Illinois)
Built 1958
Slab bridge over Green River on Morgan Road 1.6 mi S or Amboy
Open to traffic

Morganza Spillway Bridge (Pointe Coupee Parish, Louisiana)
Built 1954
Concrete tee beam bridge over Morganza Spillway on LA 1
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

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

Moscow Road Viaduct (Sonoma County, California)
Built 1956
Concrete stringer bridge over Hillside on Moscow Road
Open to traffic

Mouth of Sabine Bridge (Jefferson County, Texas)
Built 1958
Swing bridge over Mouth of Sabine on TX 82 in Port Arthur
Replaced by a new bridge

Muddy Creek Bridge (Richardson County, Nebraska)
Built 1953
Pony truss bridge over Muddy Creek on FAS 3645
Open to traffic

Muddy Fork I-65 Northbound Bridge (Clark County, Indiana)
Built 1958
Three-span concrete arch bridge over Muddy Fork on Northbound I-65
Open to traffic

Muddy Fork I-65 Southbound Bridge (Clark County, Indiana)
Built 1958
Three-span concrete arch bridge over Muddy Fork on Southbound I-65
Open to traffic

Muddy Plum Trib. Bridge (Jo Daviess County, Illinois)
Built 1950
Slab bridge over Trib. to Muddy Plum on S. Town Hall Road
Open to traffic

Murray Baker Bridge (Peoria County, Illinois)
Built 1958; rehabilitated 1984 and 2005
Cantilevered through truss bridge over Illinois River on I-74 in Peoria
Open to traffic

Mussel Fork Route J Bridge (Macon County, Missouri)
Built 1958
Pony truss bridge over Mussel Fork on Route J
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. 45th Street Bridge (Milwaukee County, Wisconsin)
Built 1952
Pony plate girder bridge over Menomonee River on N 45th Street in Milwaukee
Open to traffic

Narrows Bridge (Parke County, Indiana)
Built 1958
Arch bridge over Sugar Creek on Narrows Road
Open to traffic

Narrowsburg Bridge (Wayne County, Pennsylvania)
Built 1954
Steel arch bridge over Delaware River on PA 652/NY 52
Open to traffic

Natalbany River Bridge (Tangipahoa Parish, Louisiana)
Built ca. 1950
Through truss bridge over Natalbany River on La Rock Road
Open to traffic

NE 67 North Fork Little Nemaha River Bridge (Otoe County, Nebraska)
Built 1951
Pratt Through Truss bridge over North Fork Little Nemaha River on NE 67, at Lorton
Open to traffic, 20 ton weight limit

Necanicum River Bridge (Clatsop County, Oregon)
Built 1952; rehabilitated 1986
Stringer bridge over Necanicum River on Ave G
Open to traffic

Nelyaly Cove Bridge (Pierce County, Washington)
Built 1955
Slab bridge over Nelyaly Cove on 86 Av NW
Open to traffic

New Feather River Bridge (Sutter County, California)
Built in 1958 and replaced the Old Feather River Bridge. Now undergoing construction to add two new lanes.
Bridge over Feather River on Highway 99


New Madrid County Road 626 Bridge (New Madrid County, Missouri)
Built 1954; rehabilitated 1986
Wooden deck bridge over Otter Slough Ditch on CR 626 southwest of Matthews
Open to one-lane traffic with a 13 ton weight limit

Newark Bay Bridge (Essex County, New Jersey)
Built 1955
Steel through arch bridge over Newark Bay on the NJ Turnpike Extension (I-78) in Newark
Open to traffic

Nickel Creek Bridge (Lewis County, Washington)
Built 1952
Concrete arch bridge over Nickel Creek on Stevens Canyon Road
Open to traffic

Nishnabotna River Bridge (Audubon County, Iowa)
Built 1958
Through truss bridge over Nishnabotna River on 250 St
Open to traffic

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

Nix Creek Bridge (Miller County, Arkansas)
Nix Creek Bridge east 9th street Texarkana Arkansas. Built 1950 by Clark Brothers Construction Company.
Stringer bridge over Nix Creek on East 9th Street / US 82
Open to traffic

Noleman Street Underpass (Marion County, Illinois)
Built 1954
Steel stringer bridge over eastbound IL 161 - Noleman Street on Canadian National Railway (formerly Illinois Central) and BNSF Railway in Centralia
Open to traffic

Nolin Bridge (Umatilla County, Oregon)
Built 1950
Parker through truss bridge over Umatilla River on Mac Hoke Road
Open to traffic

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

North Branch Bermudian Creek Bridge (York County, Pennsylvania)
Built 1955
Beam bridge over No Br Bermudian Creek on Bentz Mill Road
Open to traffic

North Bridge (Middlesex County, Massachusetts)
Reconstruction of the Concord bridg built in the 1760s. Built where the battle of Concord took place
Bridge
Kept up by NPS

North Canadian River Bridge (Okmulgee County, Oklahoma)
Built 1951
Through truss bridge over North Canadian River on Arbeka Road (E1125 Rd.)
Open to traffic

North Fork Big Nemaha River Bridge (Richardson County, Nebraska)
Built 1955
Truss bridge over North Fork Big Nemaha River on NE 8 in Salem
Open to traffic

North Fork MO 126 Bridge (Barton County, Missouri)
Built 1954; Replaced 2011
Three-span pony truss bridge over North Fork Spring River on MO 126
Replaced by a new bridge

North Fork-White Oak Creek Bridge (Franklin County, Arkansas)
Built 1950
Concrete deck girder bridge over North Fork of White Oak Creek on Arkansas 23
Open to traffic

North River Bridge (Pacific County, Washington)
Built 1959
Timber stringer bridge over North River on WA 105
Open to traffic

North St Vrain Creek Bridge (Boulder County, Colorado)
Built 1955
Concrete rigid frame bridge over North St Vrain Creek on CO-7
Open to traffic

North Umpqua River Bridge (Douglas County, Oregon)
Built 1955, Replaced 2010
Pratt through truss bridge over North Umpqua River on Soda Springs Road
Replaced by a new bridge in 2010

North Union Street Overpass (Dauphin County, Pennsylvania)
Built 1950 by the PTC
Concrete frame bridge on PA Route 441 over the PA Turnpike
Open to traffic

Northeast Cape Fear River Bridge (New Hanover County, North Carolina)
Built 1951
Steel stringer bridge over Northeast Cape Fear River on US 117 & NC 133
Open to traffic

O.P.&E. - Mosby Creek Bridge (Lane County, Oregon)
Built 1950
Warren through truss bridge over Mosby Creek on Oregon Pacific & Eastern Railroad Trail
Open to pedestrians

O.P.&E. - Row River Bridge (Lane County, Oregon)
Built 1950
Pratt pony truss bridge over Row River on Oregon Pacific & Eastern Railroad Trail
Open to pedestrians

Oak Street Bridge (De Kalb County, Illinois)
Built 1956
Concrete rigid-frame bridge over Little Rock Creek on Oak Street in Hinckley
Open to traffic

Ocean Avenue Bridge (Martin County, Florida)
Built 1957; replaced 2006
Lost bascule bridge over Indian River on FL A1A (Ocean Avenue) in Sewall's Point
Replaced by a new bridge

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

Okatibbee Creek CR 378 Bridge (Clarke County, Mississippi)
Built 1951
Pratt through truss bridge over Okatibbee Creek on CR 378
Open to traffic

Old Alameda Bridge (Bernalillo County, New Mexico)
Built 1955
Concrete tee beam bridge over Rio Grande on Nm-528
Open to pedestrians on a trail

Old Broadwell Mill Road Bridge (Calhoun County, Alabama)
Built 1951 over Little Tallahatchee Creek
Pratt pony truss bridge over a stream on a pedestrian walkway in Alexandria Park
Open to pedestrians

Old Coast Highway Bridge North (Monterey County, California)
Built 1950
Bailey truss bridge over North Fork Little Sur River on Old Coast Highway
Open to traffic

Old Coast Highway Bridge South (Monterey County, California)
Built 1950
Bailey truss bridge over South Fork Little Sur River on Old Coast Highway
Open to traffic

Old Durham Road Bridge Hinkletown,PA (Bucks County, Pennsylvania)
Built 1950
Steel stringer bridge over Gaddes Run on Old Durham Road near Hinkletown in Plumstead Township
Closed to all traffic

Old Eatonton Road Wood Bridge (Greene County, Georgia)
Built 1950
Timber stringer bridge over CSX Transportation on Old Eatonton Road
Closed to all traffic

Old Gandy Bridge (Hillsborough County, Florida)
Built 1956
Steel stringer bridge over Tampa Bay on Old US 92 (Presently Friendship Trail)
Closed to pedestrian traffic but is slated to be reopened when bridge is rehabbed

Old Lowry Avenue Bridge (Hennepin County, Minnesota)
Built 1958, using piers from an earlier 1905 bridge
Lost five-span through truss bridge over Mississippi River on Lowry Avenue (CR 153) in Minneapolis
Imploded June 21, 2009

Old Milwaukee Railroad Bridge (Jefferson County, Washington)
Built 1956
Slab bridge over Former CMStP&P Railroad, current Larry Scott Rail-Trail on WA 20
Open to traffic

Old Red Bluff Bridge (Harris County, Texas)
Built 1955
Lost Bridge over Taylor Lake
Replaced by a new bridge

Old Route 66 (Drain Dt Bridge) (Livingston County, Illinois)
Built 1954; rehabilitated 2000
Concrete tee beam bridge over Drain Dt on Old Rt 66 Fas 294 (US 66)
Open to traffic

Old Route 66 (Drain Dt Bridge/Old Westbound US 66) (Livingston County, Illinois)
Concrete tee beam bridge over Drain Dt on the abandoned WB lane of Old Route 66 (US 66)
Open to pedestrians

Old Route 66 Mazon River Bridge (Livingston County, Illinois)
Built 1954
Concrete tee beam bridge over Mazon River on Old Rt 66 Nb/Fas 2
Open to traffic

Old Route 66 Turtle Creek Bridge (Livingston County, Illinois)
Built 1954; rehabilitated 1998
Slab bridge over Turtle Creek on Old Rt 66
Open to traffic

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