There are 39,823 bridges in this category · Only showing 23,610 bridges with photos
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Open

Mound Creek CR 420 Bridge (Livingston County, Missouri)
Built ca. 1930
Pony truss bridge over Mound Creek on CR 420
Open to traffic

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 Avenue Bridge (Monmouth County, New Jersey)
Built 1896; rehabilitated 1994
Concrete arch bridge over Grande Avenue on Mount Avenue in Atlantic Highlands
Open to traffic

Mount Baldy Tunnel #2 (Los Angeles County, California)
Built 1954
Tunnel under hillside on Mount Baldy Road
Open to traffic

Mount Carbon Arch Road Bridge (Schuylkill County, Pennsylvania)
Built 1925
Concrete arch bridge over Schuylkill River on PA 2015 in Mount Carbon
Open to traffic

Mount Eyre Road Bridge (Bucks County, Pennsylvania)
Queenpost pony truss bridge over Delaware Canal on Mount Eyre Road
Open to traffic

Mount Hope Bridge (Newport County, Rhode Island)
Built 1929 by the McClintic-Marshall Co.; rehabilitated 1985
Suspension bridge over Mount Hope Bay on RI 114 in Bristol
Open to traffic

Mount Olive Road Bridge (Vinton County, Ohio)
Built 1999
Pony truss bridge over Middle Fork Salt Creek on Mount Olive Road
Open to traffic

Mount Pleasant Covered Bridge 38-50-12 (Perry County, Pennsylvania)
Built 1918
Covered bridge over Shermans Creek on Mount Pleasant Road (TR 304)
Open to traffic

Mount Tabor Road Bridge (Washington County, Indiana)
Built ca. 1930
Concrete arch bridge over Mill Creek on Mount Tabor Road
Open to traffic

Mount Washington Cog Railway (Coos County, New Hampshire)
Built 1868
Timber stringer bridge over Ammonoosic River/Mount Washington/Several intermittent streams on Mount Washington Cog Railway
Open to traffic

Mount Zion Road Bridge (Schuyler County, Illinois)
Timber stringer bridge over BNSF RR on Mount Zion Road (TR 332)
Open to traffic

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

Mountain Creek Bridge (Cumberland County, Pennsylvania)
Built 1920
Steel stringer bridge over Mountain Creek on Ladnor Road, T-575
Open to traffic

Mountain Fork River CR 38 Bridge (Polk County, Arkansas)
Built 1905
Two-span pony truss bridge over Mountain Fork River on CR 38 near Potter
Open to one lane traffic

Mountain Hawk Way Bridge (Sonoma County, California)
Built 1995
Closed spandrel Concrete arch bridge over Sky Hawk Creek on Mountain Hawk Way in Santa Rosa
Open to traffic

Mountain Highway 91-Poindexter Slough Bridge (Beaverhead County, Montana)
Built 1936
Concrete tee beam bridge over Poindexter Slough on Mt Hwy 91
Open to traffic

Mountain Highway 91-RR Bridge (Beaverhead County, Montana)
Built 1936
Concrete tee beam bridge over Rr on Mt Hwy 91
Open to traffic

Mountain House Road Bridge (Sierra County, California)
Built 1936; rehabilitated 1999
Warren Pony truss bridge over North Fork Yuba River on Mountain House Road
Open to traffic

Mountain Pass Road Blue Ridge Parkway Bridge (Botetourt County, Virginia)
Built 1946
Concrete rigid frame bridge over Mountain Pass Rd on Blue Ridge Parkway
Open to traffic

Mountain Road Bridge (Hunterdon County, New Jersey)
Built 1910; rehabilitated 1978
Pony truss bridge over Raritan Valley Line on Mountain Road
Open to traffic

Mountain Road Bridge (Sussex County, New Jersey)
Built 1893
Through truss bridge over Flat Brook on Mountain Road
Open to traffic

Mountain Street Bridge (Los Angeles County, California)
1936
Concrete beam bridge over Verdugo Wash on Mountain St. in Glendale, Los Angeles County, California
Open to Traffic

Mountain Street Norfolk Southern Railway Bridge (Forsyth County, North Carolina)
1941 Deck plate girder bridge over E Mountain St/SR1005
Open to traffic

Mountainside Road Bridge (Windsor County, Vermont)
Built 1922 by Lackawanna Bridge Co.; U.S. 4 Realigned 1961
Warren Pony truss bridge over Ottauquechee River on C3034 in Bridgewater
Open to traffic

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

Mower Road Bridge (Saginaw County, Michigan)
Built 1920
Concrete pony/through girder bridge over Cole Drain on Mower Road
Open to traffic

Moxahala Creek Bridge (Muskingum County, Ohio)
Built 1952
Concrete stringer bridge over Moxahala Creek on Ransbottom Road
Open to traffic

Moxley Covered Bridge 45-09-01 (Orange County, Vermont)
Built 1883
Covered bridge over First Branch White River on Moxley Rd (C3068) in Chelsea
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

Mozingo Branch Bridge (Nodaway County, Missouri)
Built 1926; rehabilitated 1940
Concrete tee beam bridge over Mozingo Branch on US 136
Open to traffic

MP - Big Creek Bridge (Cass County, Missouri)
Probably from the '20s, approach spans replaced with concrete beams at some point
Pony/through plate girder bridge over Big Creek on Missouri Pacific Railroad
Open to traffic

MP - Black River Bridge (Independence County, Arkansas)
Through truss swing bridge over Black River on Missouri Pacific Railroad
Open to traffic

MP - Chicago & Alton crossing (Jackson County, Missouri)
Slab bridge over Chicago & Alton on Missouri Pacific Railroad
Open to traffic

MP - Railroad overpass (Jackson County, Missouri)
Built 1946
Concrete rigid frame bridge over Private road on Missouri Pacific Railroad
Open to traffic

MP - Ripley Junction Bridge (Jackson County, Missouri)
Newer bridge replacing undetermined earlier bridge
Pony plate girder bridge over Little Blue River on Missouri Pacific Railroad
Open to traffic

MPL - High Island Creek Bridge (Sibley County, Minnesota)
Built Ca. 1955, Rehabilitated 2014
Timber stringer bridge over High Island Creek on Minnesota Prairie Line Railroad
Open to traffic

MPLI - Minnesota River Bridge (Redwood County, Minnesota)
Built 1896
Pratt through truss bridge over Minnesota River on Twin Cities and Western Railroad
Open to traffic

MPLI - Redwood River Bridge (Redwood County, Minnesota)
Built 1898
Warren through truss bridge over Redwood River on Minnesota Prairie Line
Open to traffic

MPLI - Sulphur Lake Bridge (Redwood County, Minnesota)
This trestle replaced an 89 span trestle at the same location in 1941
Timber stringer bridge over Sulphur Lake on Twin Cities and Western Railroad
Open to traffic

MQT - Manistee River Swing Bridge (Manistee County, Michigan)
Built 1937
Deck plate girder bridge over Manistee River on Marquette Rail, Former C&O Railroad/Pere Marquette/Michigan East and West Railway line in Manistee
Open to traffic

MRL - Big Spring Bridge (Broadwater County, Montana)
Buil 1910
Deck plate girder bridge over Big Spring on Montana Rail Link (MRL)
Open to traffic

MRL - Bitterroot River Bridge #1 (Missoula County, Montana)
Built at various times using secondhand spans
Pratt through truss bridge over Bitterroot River on Montana Rail Link
Open to traffic

MRL - Bitterroot River Bridge #3 (Ravalli County, Montana)
Built 1950 using secondhand spans
Pony truss bridge over Bitterroot River on Montana Rail Link
Open to traffic

MRL - Blackfoot River Bridge (Missoula County, Montana)
Built 1908
Pratt through truss bridge over Blackfoot River on Montana Rail Link
Open to traffic

MRL - Bonita Tunnel (Missoula County, Montana)
Built 1882, widened 1909
Tunnel on Montana Rail Link
Open to traffic

MRL - Bozeman Tunnel (Gallatin County, Montana)
Built 1945 to replace earlier 1884 tunnel
Tunnel under Bozeman Pass on Montana Rail Link
Open to traffic

MRL - Clark Fork River Bridge #11 (Sanders County, Montana)
Built 1908
Pratt deck truss bridge over Clark Fork River on Montana RailLink
Open to traffic

MRL - Clark Fork River Bridge #12 (Sanders County, Montana)
Built 1908, Reinforced date unknown
Bridge over Clark Fork River on Montana RailLink
Open to traffic

MRL - Clark Fork River Bridge #13 (Sanders County, Montana)
Built 1908
Through truss bridge over Clark Fork River on Montana RailLink
Open to traffic

MRL - Clark Fork River Bridge #14 (Sanders County, Montana)
Built 1908
Through truss bridge over Clark Fork River on MRL
Open to traffic

MRL - Clark Fork River Bridge #7 (Missoula County, Montana)
Built 1908
Warren deck truss Bridge over Clark Fork River on Montana Rail Link
Open to traffic

MRL - Clark Fork River Bridge #8 (Missoula County, Montana)
Built 1908
Warren deck truss with all verticals bridge over Clark Fork River on Montana Rail Link
Open to traffic

MRL - Clark Fork River Bridge No. 2 (Missoula County, Montana)
Built 1896 at an unknown location, moved here 1929
Lattice deck girder bridge over Clark Fork River on Railroad (MRL)
Open to traffic

MRL - Fish Creek Trestle (Mineral County, Montana)
Built 1914
Deck plate girder bridge over Fish Creek on Montana Rail Link
Open to traffic

MRL - Garrison Tunnel (Powell County, Montana)
Built 1882, widened 1909
Tunnel on Montana Rail Link
Open to traffic

MRL - Jocko River Bridge (Lake County, Montana)
Built 1901, Strengthened 1934
Warren deck truss bridge over Jocko River on Montana Rail Link
Open to traffic

MRL - Juniper Drive Overpass (Missoula County, Montana)
Bridge over Juniper Drive on Montana Rail Link
Open to traffic

MRL - Madison River Bridge (Gallatin County, Montana)
Built 1905
Pratt through truss bridge over Madison River on Montana RailLink


MRL - Marent Trestle (Missoula County, Montana)
Built 1927 using 1885 towers
Bridge over Marent Gulch on MRL (former Northern Pacific) Railway
Open to traffic

MRL - Mission Creek Bridge (Lake County, Montana)
Timber Stringer Bridge over Flathead River on Montana Rail Link
Open to traffic

MRL - Missouri River Bridge (Broadwater County, Montana)
Built 1928
Warren through truss bridge over Missouri River on Montana RailLink
Open to traffic

MRL - Molt Road Overpass (Yellowstone County, Montana)
Deck plate girder bridge over Molt Road on Railroad
Open to traffic

MRL - Mullan Tunnel (Lewis and Clark County, Montana)
Built 1883, enlarged and shortened 2009-10
Bridge over Mullan Pass/Continental Divide on Montana Rail Link
Open to traffic

MRL - Nimrod Tunnel (Granite County, Montana)
Built 1882, widened 1909
Tunnel on Montana Rail Link
Open to traffic

MRL - Noxon Reservoir Bridge (Sanders County, Montana)
Through truss bridge over Noxon Reservoir on Montana Rail Link
Open to traffic

MRL - Orange Street Underpass (Missoula County, Montana)
Concrete rigid frame bridge over Orange Street on Montana Rail Link
Open to traffic

MRL - Sixteen Mile Creek Bridge (Broadwater County, Montana)
Built or relocated here 1946
Deck plate girder bridge over Sixteen Mile Creek on Montana Rail Link (MRL)
Open to traffic

MRL - Yellowstone River Bridge (Stillwater County, Montana)
Built 1918
Warren through truss bridge over Yellowstone River on Montana Rail Link
Open to traffic

MRL - Yellowstone River Bridge (Park County, Montana)
Built 1918
Warren through truss bridge over Yellowstone River on Montana Rail Link
Open to traffic

MRL - Yellowstone River Bridge (Yellowstone County, Montana)
Built 1922
Warren through truss Bridge over Yellowstone River on Montana Rail Link
In use

MS 12 GM&O Overpass (Choctaw County, Mississippi)
Built 1942
Steel stringer bridge over Abandoned GM&O RR on MS-12
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

MSCI - Tallahatchie River Bridge (Lafayette County, Mississippi)
Built 1908 by the American Bridge Co.
Pratt through truss bridge over Tallahatchie River on Mississippi Central Railroad
Open to traffic

MSDR - SR 161 Overpass (Coahoma County, Mississippi)
Built 1937
Steel stringer bridge over SR 161 on Mississippi Delta RR in Clarksdale


MSE - Escatawpa River Bridge (Jackson County, Mississippi)
Swing bridge over Escatawpa River on Mississippi Export Railroad in Moss Point
Open to traffic

MSTL - L Avenue Overpass (Louisa County, Iowa)
Built 1899
Arch Bridge over L Avenue on Abandoned Minneapolis & St. Louis Railway
Open to traffic

MSTR - Grasse River Bridge (St. Lawrence County, New York)
Built 1945 by Bethlehem Steel Co.
Deck plate girder bridge over Grasse River on Massena Terminal Railroad
Open to traffic

MSTR - NY-37B Overpass (St. Lawrence County, New York)
Built 1945 by Bethlehem Steel Co.
Pony plate girder bridge over NY 37B on Massena Terminal Railroad
Open to traffic

MSWY - Rock River Bridge (Rock County, Minnesota)
Built 1899
Plate girder bridge over Rock River on Minnesota Southern Railway
Open to traffic

MT 2 Over Railroad Bridge (Jefferson County, Montana)
Tee beam bridge over railroad on MT 2/Old US 10
Open to traffic

Mt Evans Way Bridge (Deer Lodge County, Montana)
Built 1912
Slab bridge over Warm Springs Creek 016 on CR 068
Open to traffic

Mt Murphy Road Bridge (El Dorado County, California)
Through girder bridge built 1915, 2 center spans destroyed by flooding and truss installed 1931
Through truss bridge over South Fork American River on Mt Murphy Road
Open to traffic

Mt Vernon Avenue Bridge (San Bernardino County, California)
Built 1934
Steel stringer bridge over BNSF RR, Amtrak, UP RR,W 3rd St on Mt Vernon Avenue
Open to traffic but with temporary supports on the south end

Mt Zion Cemetery Bridge (Lawrence County, Tennessee)
Timber stringer bridge over Knob Creek on Mt Zion Cemetery Rd
Open to traffic

Mt. Joy Road Bridge (Hunterdon County, New Jersey)
Built 1900; rehabilitated 1981
Through truss bridge over Musconetcong River on Mt. Joy Road
Open to traffic

Mt. Lawn Bridge (Henry County, Indiana)
Unknown, but definately moved here from another location
Pratt pony truss bridge over Duck Creek on road to pit lane at Mt. Lawn speedway
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 (Yell 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. Orne Covered Bridge 45-05-03 / 29-04-08 (Coos County, New Hampshire)
Built 1911; rehabilitated 1988
Covered bridge over Connecticut River on Mt. Orne Road in Lancaster
Open to traffic

Mt. Pisgah Road Bridge (Union County, Illinois)
Steel stringer bridge over Crooked Creek on Mt. Pisgah Road Bridge (TR 295)
Open to traffic

Mt. Tabor Road Bridge (Gibson County, Indiana)
Built 1905
Concrete arch bridge over Yellow Creek on Mt. Tabor Road
Open to traffic

Mt. Zion Road Bridge (Fairfield County, Ohio)
Built 1918; rehabilitated 1986
Pony truss bridge over Hocking River on Mt. Zion Road NW (TR 183)
Open to traffic, but prone to flooding from the nearby Rock Mill Lake embayment

Mt. Zion Road Bridge (Ellis County, Texas)
Warren pony truss with alternating verticals bridge over unnamed creek on road
Open to traffic

Mud Creek Bridge (Buchanan County, Iowa)
Built 1953
Pony truss bridge over Mud Creek on 325th Street
Open to traffic

Mud Creek Bridge (Polk County, Iowa)
Built ca. 1920
Pony truss bridge over Mud Creek on SE Vandalia Road
Open to traffic

Mud Creek Bridge (Livingston County, Illinois)
Built 1901
Pony truss bridge over Mud Creek on TR 52A
Open to traffic

Mud Creek Bridge (Custer County, Nebraska)
Built 1915
Pony truss bridge over Mud Creek on Drive 784, 2 mi. south and 4 mi. east of Mason City
Open to traffic

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