There are 11,647 bridges in this category · Only showing 6,065 bridges with photos
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Owned by state

Morris Terminal Rail Bridge (Grundy County, Illinois)
Built 1905
Quadruple Intersection Warren Through Truss over Illinois and Michgan Canal on the I&M Canal Trail (former Rock Island Railroad)
Open to Pedestrians

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

Morrissey Blvd. Bridge (Suffolk County, Massachusetts)
Built 1927; rehabilitated 1978
Bascule bridge over Dorchester Bay on Morrissey Blvd. in Boston
Open to traffic

Morse Bridge (Oxford County, Maine)
Built 1935; rehabilitated 2001
Steel through arch bridge over Androscoggin River on ME 108 in Rumford
Open to traffic

Morton Creek AR 341 Bridge (Baxter County, Arkansas)
Built 1929; replaced 2004
Lost pony truss bridge over Morton Creek on AR 341 north of Norfolk in Salesville
Replaced by a new bridge

Morton- Minnesota River Crossing (Redwood County, Minnesota)
Built 1928; Replaced in 1997- road realigned at the same time.
Lost Parker through truss bridge over Minnesota River on Hwys. US 71 and MN 19
Replaced by new bridge

Mortonville Bridge (Chester County, Pennsylvania)
Built 1826. Reconstructed 2009.
Stone arch bridge over West Branch Brandywine Creek on Strasburg Road
Open to traffic. Reconstructed as a wider bridge, retaining the stone.

Mosier Creek Bridge (Wasco County, Oregon)
Built 1920
Concrete arch bridge over Mosier Creek on HWY 100 in Mosier
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

Moss Bluff Bridge (Marion County, Florida)
Built 1927
Lost Warren pony truss bridge over Ocklawah River on State Route 464
No longer exists

Moss Bluff Drawbridge (Calcasieu Parish, Louisiana)
Built 1968
Vertical lift bridge over West Fork Calcasieu River on LA 378 in Moss Bluff
Open to traffic

Moss Road Bridge (Herkimer County, New York)
Built 1910; rehabilitated 1955
Through truss bridge over Erie Barge Canal on Moss Road
Open to traffic

Mossdale Hwy 120 Bridge (San Joaquin County, California)
Built 1949
Warren through truss bascule bridge over San Joaquin River
Open to traffic

Mossy Creek Route 613 Bridge (Augusta County, Virginia)
Built 1910
Pony truss bridge over Mossy Creek on Route 613
Open to traffic

Motlow Creek Bridge (Spartanburg County, South Carolina)
Built 1922
Concrete arch bridge over Motlow Creek on S-42-866 in Campobello
Open to traffic

Mound Branch MO 52 Bridge (Bates County, Missouri)
Built 1928; demolished April 2010
Pony truss bridge over Mound Branch on MO 52
Demolished April 2010 to make room for US 71/MO 52 Interchange

Moundsville Bridge (Marshall County, West Virginia)
Built 1986
Steel through arch bridge over Ohio River on WV 2 Spur/OH 872
Open to traffic

Mount Carmel Bridge (Wabash County, Illinois)
Built 1932; rehabilitated 1987; Replaced 2011
Through truss bridge over Wabash River on IL 15/IN 64 in Mount Carmel
Demolished and replaced with a slab of concrete.

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

Mount Sterling Bridge (Gasconade County, Missouri)
Built 1925; Replaced 1979
Lost through truss bridge over Gasconade River at Mount Sterling on US 50
Replaced 1979

Mountain Brook Bridge (Cheshire County, New Hampshire)
Built 1939
Stone arch bridge over Mountain Brook on US 202 in Jaffrey
Open to traffic

Mountain Fork River Bridge (McCurtain County, Oklahoma)
Built 1948
Through truss bridge over Mountain Fork River on US 70
Open to traffic

Mountain-Bay Trail - Velp Avenue Overpass (Brown County, Wisconsin)
Built 1934
Deck plate girder bridge over County Hwy HS (Former US-141) on Mountain-Bay Trail (Former CNW)
Open to pedestrians only

Mountain-Bay Trail/ELS Overpass (Brown County, Wisconsin)
Built 1914
Pony/through plate girder bridge over Semi-abandoned Escanaba & Lake Superior Railroad on Mountain-Bay Trail (Former CNW)
Open to pedestrians only

Mountville Road Bridge (Lawrence County, Pennsylvania)
Built 1940
Through truss bridge over Slippery Rock Creek on Mountville Road
Open to traffic

Mousam River Bridge (York County, Maine)
Built 1901
Stone arch bridge over Mousam River on Bridge Street (ME 224) in Sanford
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

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

MS 18 Bayou Pierre Bridge (Copiah County, Mississippi)
Built ca. 1940
Through truss bridge over Bayou Pierre on MS 18
Open to traffic

Mt. Magazine Bridge #1 (Logan County, Arkansas)
Built 1936
Bridge over Unnamed small creek on Arkansas 309
Open to traffic

Mt. Magazine Bridge #2 (Logan County, Arkansas)
Built 1936
Bridge over Unnamed small creek. on Arkansas 309
Open to traffic

Mt. Magazine Bridge #3 (Logan County, Arkansas)
Built 1936
Stone arch bridge over Unnamed small Creek on Arkansas 309
Open to traffic

Mt. Nebo State Park Trail Bridge (Yell County, Arkansas)
Built 1933
Stone arch bridge for foot traffic only.
Open to pedestrians only

MTA - Jamaica Bay Swing Bridge (Queens County, New York)
Warren through truss bridge over Jamaica Bay on New York City Metropolitan Transit Authority
Open to traffic

Mud Creek Bridge (Henderson County, North Carolina)
Built 1941; rehabilitated and widened 1970 but original north concrete ballustrade still exists.
Concrete tee beam bridge over Mud Creek on Us25bus.
Open to traffic

Mud Pine Creek IN 26 Bridge (Warren County, Indiana)
Built 1933, rehabilitated in 2000
Pony truss bridge over Mud Pine Creek on IN 26
Open to traffic

Mud River Bridge (Lincoln County, West Virginia)
Built 1917; rehabilitated 1980
Through truss bridge over Mud River on CR 7
Closed 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 Fork US 31 Bridge (Clark County, Indiana)
Built 1932; rehabilitated 1984
Three-span concrete arch bridge over Muddy Fork on US 31
Open to traffic

Muddy River Bridge (Sagadahoc County, Maine)
Built 1942
Steel stringer bridge over Muddy River on Foreside Road
Open to traffic

Muddy Run Bridge (Franklin County, Pennsylvania)
Built 1940; Removed 2013
Steel stringer bridge over Muddy Run on Pa 533;Sr 0533
Replaced by a new bridge in 2013

Muir Creek Bridge (Douglas County, Oregon)
Built 1933
Concrete stringer bridge over Muir Creek on OR 230
Open to traffic

Mulberry River AR 23 Bridge (Franklin County, Arkansas)
Built 1935 by McEachin and McEachin, Inc., of Little Rock
Three-span pony truss bridge over Mulberry River on AR 23
Open to traffic

Mulberry River Arkansas 103 Bridge (Johnson County, Arkansas)
Replaced 1985
Lost Through truss bridge over Mulberry River
Replaced by a new bridge

Mulberry River US 64 Bridge (Crawford County, Arkansas)
Built 1929; rehabilitated 1961
Three-span open-spandrel arch bridge over Big Mulberry River on US 64 in Mulberry
Open to traffic

Mulholland Drive Viaduct (Los Angeles County, California)
Built 1940
Concrete tee beam bridge over Hollywood Freeway (US 101) on Mulholland Drive in Los Angeles
Open to traffic

Mullica River Bridge (Atlantic County, New Jersey)
Lost Deck girder bridge over Mullica River on Garden State Parkway
No longer exists

Multnomah Creek Bridge (Multnomah County, Oregon)
Built 1914
Concrete arch bridge over Multnomah Creek on Historical Columbia River Highway
Open to traffic

Murphy Swinging / Suspension Footbridge (Dickenson County, Virginia)
Wire suspension footbridge over Russell Fork Big Sandy River on pedestrian pathway
Open to pedestrians only

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

Muscatatuck River IN 256 East Bridge (Jackson County, Indiana)
Built 1941; rehabilitated 1984
Through truss bridge over Muscatatuck River on IN 256
Open to traffic

Muscatatuck River IN 256 West Bridge (Washington County, Indiana)
Built 1941; rehabilitated 1982
Through truss bridge over Muscatatuck River on IN 256
Open to traffic

Muscatine Bridge (Muscatine County, Iowa)
Built 1972; Tolls removed 1987
Through truss bridge over Mississippi River on IA 92/IL 92 at Muscatine
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

Myers Creek Bridge (Forrest County, Mississippi)
Built 1934
Steel stringer bridge over Myers Creek on US 49 (Northbound Traffic)
Open to traffic

Myers Creek Bridge (Curry County, Oregon)
Built 1924
Concrete tee beam bridge over Myers Creek on Meyers Creek Road (Old US 101)
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

Myrtle Creek Bridge (Del Norte County, California)
Built 1984
Concrete arch bridge over Myrtle Creek on US 199
Open to traffic

Myrtle Creek Bridge (Douglas County, Oregon)
Built 1930
Stringer bridge over Myrtle Creek on OR-99 (Old Pacific Highway) in Myrtle Creek
Open to traffic

Mystic River Bascule Bridge (New London County, Connecticut)
Built 1922
Bascule bridge over Mystic River on US 1 at Mystic
Open to traffic

Mystic River Bridge (Middlesex County, Massachusetts)
Built 1936
Concrete arch bridge over Mystic River on MA 60 (Medford Street) in Arlington
Open to traffic

Mystic River Bridge (Middlesex County, Massachusetts)
Built 1906
Concrete arch bridge over Mystic River on MA 16 in Medford
Open to traffic

Mystic Valley Parkway Alewife Brook Bridge (Middlesex County, Massachusetts)
Built 1908; reconstructed 2013
Closed-spandrel arch bridge over Alewife Brook on Mystic Valley Parkway
Open to traffic

N Fork Zumbro River Bridge (Goodhue County, Minnesota)
Built 1927
Concrete tee beam bridge over N Fork Zumbro River on Th 56
Open to traffic

N. Pinckney Street (Union County, South Carolina)
Built 1908
Bridge over Buffalo, Union & Carolina Railroad on N. Pinckney Street
Open to traffic

Nalley Valley Viaduct (Pierce County, Washington)
Built 1970; replaced 2011
Lost Concrete tee beam bridge over Nalley Valley Viaduct on WA 16
Replaced by new bridge

Nantahala River Bridge (Swain County, North Carolina)
Built 1930; rehabilitated 1960
Pratt pony truss bridge over Nantahala River on NC 1100
Open to traffic

Nantahala River Bridge (Swain County, North Carolina)
Built 1930; rehabilitated 1960
Pratt pony truss bridge over Nantahala River on NC 1100
Open to traffic

Nanticoke River Bridge (Wicomico County, Maryland)
Built 1912
Pratt through truss bridge over Nanticoke River on Maryland State Route 313 Sharptown Road
Replaced by a new bridge

Napa River Bridge (Napa County, California)
Built 1949; rehabilitated 1977, replaced 2005
Vertical lift bridge over Napa River on CA 121 in Napa
Replaced by new "Maxwell Bridge", 2005

Narrow Passage Swinging / Suspension Footbridge (Shenandoah County, Virginia)
Wire suspension footbridge over North Fork Shenandoah River on pedestrian pathway
Open to pedestrians only

Narrows Branch Tuscarora Creek Bridge (Huntingdon County, Pennsylvania)
Steel stringer bridge over Narrows Br Tuscarora Creek on Sr 2011
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

Narrows Bridge (Bedford County, Pennsylvania)
Built 1935 by the Pittsburg Construction Co.
Open-spandrel arch bridge over Raystown Branch of Juniata River on US 30
Open to traffic

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

NASA Causeway (Brevard County, Florida)
Built 1964
Deck plate girder bridge over Indian River on NASA Causeway
Open to traffic

Nassa Sound Bridge (Nassau County, Florida)
Built 1948
Lost Deck girder bridge over Nassa Sound on 8th Street Buccaneer Trail
No longer exists

Natchez Bridge (Adams County, Mississippi)
First bridge built 1940; second bridge 1988
Pair of cantilevered through truss bridges over the Mississippi River on US 84 at Natchez
Open to traffic

Natchez Trace MS 18 Bridge (Claiborne County, Mississippi)
Built 1963
Arch bridge over Natchez Trace on MS 18
Open to traffic

Natural Dam Bridge (Crawford County, Arkansas)
Built 1934 by contractor M.E. Gillioz, replacing an earlier truss bridge built in 1907 by the Illinois Steel Bridge Co.
Two-span through truss bridge over Lee Creek on AR 59 near the community of Natural Dam
Open to traffic

Navajo Bridge (Coconino County, Arizona)
Built 1927-1929; bypassed by parallel bridge in 1995
Steel arch bridge over Colorado River on Alt US 89
Open to pedestrians only

Navajo Bridge NEW (Coconino County, Arizona)
Built 1995
Steel arch bridge over Colorado River on Alternate US 89
Open to traffic

Navarro River Bridge (Mendocino County, California)
Built 1949
Deck plate girder bridge over Navarro River on State Route 1
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

NE Grand Avenue Bridge (Multnomah County, Oregon)
1908 Steel Deck girder
Open to traffic

Neahkahnie Mountain Bridge (Tillamook County, Oregon)
Built 1937
Girder bridge over Neahkahnie Mountain Chasm on US 101
Open to traffic

Neawanna Creek Bridge (Clatsop County, Oregon)
Built 1930
Concrete deck girder bridge over Neawanna Creek on U.S. 101 in Seaside
Open to traffic

Nebraska Avenue Bridge (Hillsborough County, Florida)
Built 1923; rehabilitated 1965
Concrete tee beam bridge over Hillsborough River on Us 41 (Sr 45) in Tampa
Open to traffic

Necarney Creek Bridge (Tillamook County, Oregon)
Built 1937
Steel stringer bridge over Necarney Creek on US 101
Open to traffic

Neff Bridge (Huntingdon County, Pennsylvania)
Built 1889; rehabilitated 1974
Through truss bridge over Frankstown Branch Juniata River on PA 4005
Open to traffic

Negro Bill Wash Bridge (Grand County, Utah)
Built 1956
Concrete arch bridge over Black Bill Wash on UT 128
Open to traffic

Negro Creek Bridge (Scott County, Arkansas)
Built 1950
Slab bridge over Negro Creek on Sh 28
Open to traffic

NEGS - Lakeport Draw (Belknap County, New Hampshire)
Modified into a drawbridge 1990, timber spans are older
Steel stringer bridge over Winnipesaukee River on New England Southern Railroad
Open to traffic

NEGS - Pemigewasset River Bridge (Ashland) (Grafton County, New Hampshire)
Warren through truss with all verticals bridge over Pemigewasset River on New England Southern Railroad
Open to traffic

Nehalem River Bridge (Clatsop County, Oregon)
Built 1939
Concrete arch bridge over Nehalem River on US 26
Open to traffic

Nehalem River Bridge (Columbia County, Oregon)
Built 1938
Parker through truss bridge over Nehalem River on OR 47 in Vernonia
Open to traffic

Nemadji River Bridge (Douglas County, Wisconsin)
Built 1948; rehabilitated 1987; replaced 2003
Lost Polygonal Warren through truss bridge over Nemadji River on Sth 35
Replaced by new bridge

Neosho River (Cherokee County, Oklahoma)
Built 1949
Through truss bridge over Neosho River on OK 51
Open to traffic

Neosho River Bridge (Ottawa County, Oklahoma)
Built 1937; replaced 1997
Lost K-truss bridge over Neosho River on US 69 in Miami
Replaced by prestressed concrete girder bridge in 1997.