There are 8,551 bridges in this category · Only showing 2,909 bridges with photos
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Built during 1930s

Milltown High Street Bridge (Warren County, Pennsylvania)
Built 1937; rehabilitated 1982
Pony truss bridge over Tionesta Creek on PA 2002 (High Street) in Milltown
Open to traffic

MILW Skykomish River Covered Bridge (Snohomish County, Washington)
Built 1939; Replaced 1969
Through truss bridge over Skykomish River on Railroad
Removed but not replaced

Milwaukee Road Railroad Overpass (Missoula County, Montana)
Built 1936
Lost tee beam bridge over the abandoned Milwaukee Road Railroad on Orange Street in Missoula
Open to traffic

Milwaukee Street Bridge (Jefferson County, Wisconsin)
Built 1930
Lost concrete arch bridge over Rock River on Milwaukee Street in Watertown
Demolished, replaced by UCEB 2008

Mine Creek Bridge (Howard County, Arkansas)
Built 1931
Concrete tee beam bridge over Mine Creek on E. Sheppard Street in Nashville
Open to traffic

Mine Kill Bridge (Schoharie County, New York)
Built 1931; rehabilitated 1973
Open-spandrel arch bridge over Mine Kill on NY 30
Open to traffic

Miner Slough Bridge (Solano County, California)
Built 1933; rehabilitated 1953
Swing bridge over Miner Slough on CA 84
Open to traffic

Minnesota River Bridge (Le Sueur County, Minnesota)
Built 1931
Pennsylvania through truss bridge over Minnesota River on MN 99 in St. Peter
Open to traffic

Minnesota River Bridge (Sibley County, Minnesota)
Built 1934
Lost 3-span Parker through truss bridge over Minnesota River on MN 25 in Belle Plaine
This bridge was demolished and replaced in 2005.

Minnesota River MN 4 Bridge (Brown County, Minnesota)
Built 1930-31; replaced 1994
Lost two-span through truss bridge over Minnesota River on MN 4
Replaced by new bridge

Minnetonka Blvd Bridge (Hennepin County, Minnesota)
Built 1939
Concrete deck girder bridge over Th 100 on Minnetonka Blvd
Open to traffic

Mirror Lake Bridge No. 1 (Stone County, Arkansas)
Built 1935 by the CCC
Stone arch bridge over Blanchard Springs Drainage on FR 1110
Open to traffic

Mirror Lake Bridge No. 2 (Stone County, Arkansas)
Built 1935 by the CCC
Stone arch bridge over Blanchard Springs Drainage on FR 1110
Open to traffic

Mississinewa River IN 15 Bridge (Grant County, Indiana)
Built 1936; rehabilitated 1997
Concrete arch bridge over Mississinewa River on IN 15
Open to traffic

Mississippi River Overflow Bridge (Jackson County, Iowa)
Built 1933; rehabilitated 1985
Through truss bridge over Mississippi River Overflow on US 52/IA 64 in Sabula
Open to traffic

Missouri Pacific R/R @ Tioga Bridge (Rapides Parish, Louisiana)
Built 1931
Steel stringer bridge over Missouri Pacific R/R @ Tioga on US 71
Open to traffic

Missouri Pacific Railroad Bridge (Vernon County, Missouri)
Built circa 1930; Lost circa 1965
Lost Concrete stringer bridge over Missouri Pacific Railroad on Old US 71
Lost

MKT Mill Creek Bridge (Ellis County, Texas)
Built 1933
Abandoned bridge over Mill Creek on MKT Railroad
Abandoned

MKT R.R. Bridge (Mayes County, Oklahoma)
Built 1937
Steel stringer bridge over MKT R.R. on E0590 (old OK 33)
Open to One Lane Traffic

MKT Railroad 15th Street Underpass (Tulsa County, Oklahoma)
Built c. 1930, replaced 1968
Lost concrete frame & slab railroad underpass on E. 15th St. in Tulsa
Replaced by new bridge

MKT Railroad 4th Street Underpass (Tulsa County, Oklahoma)
Built 1930
Concrete frame & slab railroad underpass on E. 4th St. in Tulsa
Open to traffic

MN 7 over MN 100 Bridge (Hennepin County, Minnesota)
Built 1939
Concrete deck girder bridge over MN 100 on MN 7 (CSAH 25)
Open to traffic

MN&S MN-13 Overpass (Scott County, Minnesota)
Built 1939
Pony/through plate girder bridge over MN-13, Union Pacific Railroad on Canadian Pacific Railway
Intact but closed to all traffic

MN&S MN-7 Bridge (Hennepin County, Minnesota)
Built 1934
Pony/through plate girder bridge over Th 7 on Canadian Pacific
Open to rail traffic

MN&S MN-7 Frontage Road Bridge (Hennepin County, Minnesota)
Built 1934
Steel stringer bridge over MN-7(Frontage Road) on Canadian Pacific
Open to rail traffic

MO 96 Railroad Bridge (Jasper County, Missouri)
Built 1934
Concrete tee beam bridge over BNSF & MNA RR on MO 96 (Historic Route 66) in Carthage
Open

Moccasin Branch US 36 Bridge (Putnam County, Indiana)
Built 1931; rehabilitated 1968
Concrete arch bridge over Moccasin Branch on US 36
Open to traffic

Modock Creek Bridge (Ottawa County, Oklahoma)
Built ca. 1930
Pony truss bridge over Modock Creek on E0125
Closed to traffic, with rubble piles at each end.

Mohrsville Bridge (Berks County, Pennsylvania)
Built 1937
Steel stringer bridge over Schuylkill River on Sr 4026(Lr 06031)
Open to traffic

Molalla River Bridge (Clackamas County, Oregon)
Built 1936, Made One-Way in 1963
Warren deck truss bridge over Molalla River on Northbound OR-99 E
Open to traffic

Monett Business US 60 Bridge (Barry County, Missouri)
Built 1935
Through truss bridge over tBNSF RR on Business US 60 east of Monett
Open to two-lane traffic

Mongaup River Bridge (Orange County, New York)
Built 1934; rehabilitated 2000
Deck truss bridge over Mongaup River on NY 97
Open to traffic

Moniteau Church Road Bridge (Moniteau County, Missouri)
Built ca. 1930
Pony truss bridge over Howard Creek on Moniteau Church Road southwest of Jamestown
Open to traffic

Monocacy River Bridge (Frederick County, Maryland)
Built 1931
Through truss bridge over Monocacy River on MD 28
Open to traffic

Monocacy River Bridge (Frederick County, Maryland)
Built 1932
Through truss bridge over Monocacy River on MD 77
Open to traffic

Monocacy River Bridge (Frederick County, Maryland)
Built 1930; rehabilitated 1980
Through truss bridge over Monocacy River on MD 355
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

Montegue Road Bridge (Winnebago County, Illinois)
Built 1936
Concrete rigid frame bridge over E Branch Mill Creek on Montague Road
Open to traffic

Montesano-Elma Road Bridge (Grays Harbor County, Washington)
Built 1938
Warren through truss bridge over Satsop River on Montesano-Elma Road in Elma
Open to traffic

Montoursville Bridge (Lycoming County, Pennsylvania)
Built 1931; rehabilitated 1994
Three-span through truss bridge over Loyalsock Creek on PA 2014 in Montoursville
Open to traffic

Monument Road Bridge (Harris County, Georgia)
Built 1930
Pony truss bridge over Sand Creek on Monument Road
Closed to all traffic

Moonville Bridge (Madison County, Indiana)
Built 1930; replaced 1999
Lost pony truss bridge over Killbuck Creek on CR 600 N
Replaced by new bridge

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

Morris Road Bridge (Crawford County, Pennsylvania)
Built ca. 1935
Pony truss bridge over Western New York and Pennsylvania Railroad tracks on TR 653
Closed to all traffic

Morton-State Line Ridge Tunnel (Sevier County, Tennessee)
Built as one of 3 masonry-faced tunnels, along with bridges, on the New Found Gap Road
Tunnel under spur of State Line Ridge on U.S. 441 New Found Gap Road (formerly Indian Gap Highway), Great Smoky Mountains National Park, Tennessee
Open to traffic

Mosley Bridge (Jackson County, Minnesota)
Built 1939; to be replaced in 2012
Timber stringer bridge over Jud Ditch # 8 on Cnty 66
Open to traffic

Mosquito Creek Bridge (Henry County, Illinois)
Built 1938
Timber stringer bridge over Mosquito Creek on Warner Castle Rd 4 mi N of Orion
Open to traffic

Mosquito Road Bridge (El Dorado County, California)
Built 1939
Suspension bridge over South Fork American River on Mosquito Road
Open to traffic

Mott Bridge (Douglas County, Oregon)
Built 1936; rehabilitated 1983
Timber braced spandrel arch bridge over North Umpqua River on USFS Road 4712
Open to traffic

Mound Creek CR 420 Bridge (Livingston County, Missouri)
Built ca. 1930
Pony truss bridge over Mound Creek on CR 420
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 Tabor Road Bridge (Washington County, Indiana)
Built ca. 1930
Concrete arch bridge over Mill Creek on Mount Tabor Road
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 St. over the Verdugo Wash (Los Angeles County, California)
1936
Concrete beam bridge over Verdugo Wash on Mountain St. in Glendale, Los Angeles County, California
Open to Traffic

Mt Etna Crossing (Huntingdon County, Pennsylvania)
Built 1930
Bridge over Juniata River on Lower Rail Trail
Open to pedestrians & bicylces on the trail side, Traffic on the other

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. Vernon Mills Bridge (Chattooga County, Georgia)
Built around 1930
Steel stringer bridge over a tributary of the Chattooga River on abandoned section of Park Avenue in Trion
Open to pedestrians

Mud Creek Bridge (Tulsa County, Oklahoma)
Built ca. 1930, removed in April 2009
Lost Pony truss bridge over Mud Creek on Campbell Creek Rd. in western Tulsa County
Replaced by new bridge

Mud Creek Bridge (Hardin County, Tennessee)
Built ca. 1930
Wooden bridge over Mud Creek on Lacefield Drive (NFA A302)
Open to traffic

Mud Creek Bridge (Craig County, Oklahoma)
Built ca. 1930
Arch bridge over Mud Creek on E0050
Open to traffic

Mud Creek CR 1159 Bridge (Monroe County, Missouri)
Built 1930; later moved here
Pony truss bridge over Mud Creek on CR 1159
Open to traffic

Mud Creek Road Bridge (Calumet County, Wisconsin)
Built 1930
Concrete stringer bridge over Mud Creek on Mud Creek Road in Town of Stockbridge
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

Muddy Creek Bridge (Furnas County, Nebraska)
Built 1930; rehabilitated 1974
Pony truss bridge over Muddy Creek on CR 422, 2 mi. west of Arapahoe
Open to traffic

Muddy Creek Bridge (Nemaha County, Kansas)
Built ca. 1930
Queenpost pony truss bridge over Muddy Creek, 1.0 mi. west of Granada
Open to traffic

Muddy Creek Bridge (Nemaha County, Kansas)
Built ca. 1930
Warren pony truss bridge over Muddy Creek, 0.5 mi. south of Woodlawn
Open to traffic

Muddy Creek Bridge (Nemaha County, Kansas)
Built ca. 1930
Warren pony truss bridge over Muddy Creek, 2.8 mi. south of Granada
Open to traffic

Muddy Creek Bridge (Madison County, Kentucky)
Built ca. 1930
Through truss bridge over Muddy Creek on Meadowbrook Road
Open to traffic

Muddy Creek Old US 65 Bridge (Pettis County, Missouri)
Built 1924 by contractor M.E. Gillioz
Through truss bridge over Muddy Creek on Claycomb Road (Old US 65) north of Sedalia
Open to traffic

Muddy Fork TR 1550 Bridge (Ashland County, Ohio)
Built 1932
Pony truss bridge over Muddy Fork on Township Road 1550
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 (Clark County, Nevada)
Built 1932-33; demolished ca. 1987
Lost two-span pony truss bridge over Muddy River on Old US 91
No longer exists, replaced by new bridge

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

Mulladay Hollow Bridge (Carroll County, Arkansas)
Built ca. 1935 by the Civilian Conservation Corps
Small two-span stone arch bridge over Mulladay Hollow Creek on CR 204 at Leatherwood Lake Recreation Area northwest of Eureka Springs in Eureka Springs
Open to traffic

Murdoch Avenue BNSF RR Overpass (St. Louis County, Missouri)
Built in 1930; demolished April 23rd, 2012. Replacement UCEB opened to traffic October 16th, 2012.
Lost concrete stringer bridge on Murdoch Avenue over the BNSF Railroad, just west of I-44
Replaced by UCEB

Murphy Drive Bridge (Caldwell County, Missouri)
Built ca. 1930
Pony truss bridge over Long Creek on S.W. Murphy Drive
Open to traffic

Murray Hill Road Bridge (Erie County, New York)
Built 1935
Pony truss bridge over West Branch Cazenovia Creek on Murray Hill Road
Open to traffic

Muscatine Road Bridge (Cedar County, Iowa)
Built 1935; rehabilitated 1950
Through truss bridge over Sugar Creek on Muscatine Road
Open to traffic

Muscogee Wharf (Escambia County, Florida)
Built circa 1934, abandoned circa 1970
Lost Bridge over Pensacola Bay
Lost, but 2 piers remain

Mustang Creek Bridge (Runnels County, Texas)
Built 1930
Pony truss bridge over Mustang Creek on CR 126
Open to traffic

Mutual-Union Road Bridge (Champaign County, Ohio)
Built 1930; rehabilitated 1977
Concrete arch bridge over a branch of Buck Creek on S Mutual-Union Road (CR 167)
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

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

Myrtledale Road Bridge (Napa County, California)
Built 1930
Concrete arch bridge over Napa River on Myrtledale Road in Calistoga
Open to traffic

Mystery Bridge (Washington County, Illinois)
lost pratt pony truss bridge on a unknown creek somewhere in Washington County. Destroyed by a flash flood sometime during the 1970s.
Lost Pratt pony truss bridge over unknown creek on unknown county road
Destroyed by flood

N Branch Crooked Creek Bridge (McDonough County, Illinois)
Built 1937
Concrete rigid frame bridge over N Branch Crooked Creek on Fas 417 - Ch 8
Open to traffic

N. 1st Avenue Bridge (San Bernardino County, California)
Built 1930
Through truss bridge over Burlington Northern and Santa Fe Railway on N. 1st Avenue in Barstow
Open to traffic

N. National Avenue Bridge (Bourbon County, Kansas)
Built 1933; rehabilitated 1983 and 2012
Marsh arch bridge over Marmaton River on N. National Avenue (Old US 69) in Fort Scott
Open to traffic

N. Teutonia Avenue Bridge (Milwaukee County, Wisconsin)
Built 1936; Reconstructed in 2002
Concrete arch bridge over Lincoln Creek on N. Teutonia Avenue in Milwaukee
Open to traffic

Naheola Bridge (Choctaw County, Alabama)
Built 1934 by the Virginia Bridge & Iron Co.; Road surface removed and bridge closed to automobiles in 2000, Open to railroad traffic
Vertical lift bridge over Tombigbee River
Open to rail traffic

Nantahala Bridge (Swain County, North Carolina)
Built ca. 1930; bypassed 2002
Pratt pony truss bridge over Nantahala River
Open to pedestrians

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

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

Nashville Creek Bridge (Washington County, Illinois)
Built 1930
Lost Pony truss bridge over Nashville Creek on Pelican Road (TR 144B)
demolished, but remants exist on site

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

Navesink River Bridge (Monmouth County, New Jersey)
Built 1939; rehabilitated 1970
Bascule bridge over Navesink River on CR 8A in Rumson
Open to traffic

Navigation Blvd. Underpass (Harris County, Texas)
Built 1936
Slab bridge over Navigation Blvd. on Commerce Street
Open to traffic

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