There are 10,583 bridges in this category · Only showing 4,632 bridges with photos
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Built during 1930s

Mill Creek Bridge (Cape May County, New Jersey)
Built 1930
Steel stringer bridge over Mill Creek on NJ Route 49
Open to traffic

Mill Creek Bridge (Independence County, Arkansas)
Built 1937
Concrete tee beam bridge over Mill Creek on Sh 106
Open to traffic

Mill Creek Bridge (Jasper County, Texas)
Built 1933
Concrete tee beam bridge over Mill Creek on Loop 149 (old US 96)
Open to traffic

Mill Creek Bridge (Kent County, Delaware)
Built 1936; Rehabilitated 1970; Replaced 1996
Lost Slab bridge over Mill Creek on Sr 6 (Woodland Beach Road)
Replaced by a new bridge

Mill Creek SR 234 Bridge (Fountain County, Indiana)
Built 1931; rehabilitated 1974; replaced 1996
Lost pony truss bridge over Mill Creek on IN 234
Replaced by new bridge

Mill Creek US 231 Bridge (Owen County, Indiana)
Built 1932; rehabilitated 1975
Concrete arch bridge over Mill Creek on US 231
Open to traffic

Mill Grove Road Bridge (Stephenson County, Illinois)
Built 1931
Pony truss bridge over Yellow Creek on S. Mill Grove Road, 3 mi. southeast of Pearl City
Open to traffic

Mill Race Bridge (Laclede County, Missouri)
Built 1934
Small concrete arch bridge over the Mill Race on MO 64A at Bennett Spring State Park
Open to traffic

Mill Street Tunnel (Pendleton County, Kentucky)
Tunnel under CSX rail line in Butler
Open to traffic

Miller Creek AR 233 Bridge (Independence County, Arkansas)
Built 1936
Concrete tee beam bridge over Missouri North Arkansas Railroad and Miller Creek on SH 233 in Batesville
Open to traffic

Miller Creek Bridge (Alexander County, Illinois)
Built 1933
Pony truss bridge over Miller Creek on Old Illinois Route 3 northeast of Thebes, 1 mi. north of Thebes
Open to two-lane traffic

Miller Creek Stone Bridge (Wayne County, Missouri)
Built ca. 1930; replaced 2015
Lost low-water bridge with stone masonry foundations on CR 417 over Miller Creek beyond the end of Route JJ
Replaced by a new bridge

Millers River Bridge (Worcester County, Massachusetts)
Built 1937
Pony truss bridge over Millers River on King Street in South Royalston
Closed to all traffic

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 47-31-01#2x (Snohomish County, Washington)
Built 1939 to replace 1911-built span 200 feet upstream; dismantled 1969 and replaced with four steel spans
Through truss bridge over Skykomish River on Railroad (MILW)
Replaced with steel trusses

MILW Straight River Bridge (Steele County, Minnesota)
Built 1931
warren pony truss bridge over Straight River on Ex Milwaukee Road
Intact but closed to all traffic

Milwaukee Avenue Viaduct (Monroe County, Wisconsin)
Built 1939; rehabilitated 1990
Deck truss bridge over Milwaukee Ave/Farmers Valley Creek/CP Rwy on WI 16/WI 71 in Sparta
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 (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 State Fairgrounds Grandstand Bridge (Ramsey County, Minnesota)
Built in the 1930s
Concrete Rigid Frame bridge over pedestrain pathway on Grandstands entrance path
Open to pedestrians only

Minnetonka Boulevard Bridge (Hennepin County, Minnesota)
Built 1939, Removed 2015
Concrete deck girder bridge over MN-100 on Minnetonka Blvd
No longer exists

Missisquoi Bay Bridge (Grand Isle County, Vermont)
Built 1937; rehabilitated 1965
Bascule bridge over Missisquoi Bay on VT 78 in Alburg
Demolished and replaced.

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

Mitchell River Bridge (Old) (Barnstable County, Massachusetts)
Built 1936; rehabilitated 1980 replaced 2014
Wooden bascule bridge over Mitchell River on Bridge Street in Chatham
Replaced by a new bridge

Mitchell Street Bridge (Bexar County, Texas)
Steel stringer built between 1935-1937 by the Works Progress Administration
1937 Steel stringer bridge over San Antonio River on Mitchell Street
Open to traffic

Mixon Creek Bridge (Lavaca County, Texas)
Built 1936
Pony truss bridge over Mixon Creek on CR 213
Open to traffic

MKT - 15th Street Overpass (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 - 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

MKT - Mill Creek Bridge (Ellis County, Texas)
Built 1933
Abandoned Polygonal Warren pony truss 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

MN 4 Minnesota River 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

MN-19 Union Pacific Overpass (Le Sueur County, Minnesota)
Built 1935, To be replaced 2015
Concrete deck girder bridge over Union Pacific Railroad on MN-19
Replaced by a new bridge

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

MN25 Mississippi River Bridge (Wright County, Minnesota)
Built 1930; Replaced 1988
Lost Camelback through truss bridge over Mississippi River on MN 25
Replaced by a new bridge

MNBR - 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

MNCW - Merritt Parkway Overpass (Fairfield County, Connecticut)
Built 1937
Deck arch bridge over CT 15/Merritt Parkway on Metro-North New Canaan Branch
Open to traffic

MNCW - US 209 Overpass (Orange County, New York)
Slab bridge over US 209/US 6 on Metro-North Commuter Railroad
Open

MNCW - Wappinger Creek Bridge (Dutchess County, New York)
Pony plate girder bascule bridge over Wappinger Creek on Metro-North Commuter Railroad
Open to rail traffic, but permanently closed with counterweight removed

MNNR - Como Avenue Overpass (Ramsey County, Minnesota)
Built 1936
Steel stringer bridge over Como Avenue on Minnesota Commercial Railway
Open to traffic

MO 2 Tebo Creek Bridge (Henry County, Missouri)
Concrete tee beam bridge over Tebo Creek on MO 2
Open to traffic

Mo 79 over Old Kings Lake Creek (Lincoln County, Missouri)
Bridge on MO 79 over Old King's Lake Creek
Open to traffic

MO 79 S over BARLEY CR (Lincoln County, Missouri)
Bridge over Cox Br Barley Creek on MO 79
Open to traffic

MO 79 S over BIG BILLS CR (Lincoln County, Missouri)
Bridge over Big Bill's Creek on MO 79 S
Open to traffic

MO 79 S over CAMP CR (Lincoln County, Missouri)
Bridge over Camp Creek on MO 79-S
Open

MO 79 S over HURRICANE CR (Lincoln County, Missouri)
Bridge Over Hurricane Creek on MO 79
Open to traffic

MO 79 S over PAGES BR (Lincoln County, Missouri)
Bridge over Page Branch on MO 79
Open to traffic

MO 81 Bridge (Clark County, Missouri)
Built 1938
Concrete tee beam bridge over BNSF Railway on MO 81
Open to traffic

MO 96 Overpass (Jasper County, Missouri)
Built 1934
Concrete tee beam bridge over BNSF & MNA RR on MO 96 (Historic Route 66) in Carthage
Closed for replacement

MO45 Bear Creek Bridge (Platte County, Missouri)
Built 1936; replaced 2009
Lost pony plate girder bridge over Bear Creek on MO 45
Replaced by a new bridge

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.

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

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

Molly's Landing Bridge #1 (Section of Old US 66 Bird Creek Bridge [Westbound Lane]) (Rogers County, Oklahoma)
Built 1936 on Route 66 over Bird Creek, relocated to present location 2011
Pratt through truss bridge on the driveway entrance to Molly's Landing Restaurant
Open to traffic

Molly's Landing Bridge #2 (Section of Old US 66 Bird Creek Bridge [Westbound Lane]) (Rogers County, Oklahoma)
Built 1936 on Route 66 over Bird Creek, relocated to present location 2011
Pratt pony truss bridge on driveway to Molly's Landing Restaurant
Open to traffic

Monett Business US 60 Bridge (Barry County, Missouri)
Built 1935
Through truss bridge over BNSF 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

Monitor Road Bridge (Hall County, Nebraska)
Built ca. 1935
Pony truss bridge over Prairie Creek on Monitor Road
Open to traffic

Monkey Run Bridge (Louisa County, Iowa)
Built 1935
Arch bridge over Monkey Run on Walnut Street in Columbus Junction
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
Demolished

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

Montopolis Bridge (Travis County, Texas)
Built 1938
Camelback through truss bridge over Colorado River on US 183 Southbound Frontage Road in Austin
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

Montserrat Recreation Demonstration Area Bridge (Johnson County, Missouri)
Built 1937 by the Works Progress Administration
Two-span culvert on SE 10 Road (Knob Noster State Park entrance road)
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

Moore's Mill Creek Bridge (Lee County, Alabama)
Built 1933
Stone arch bridge over Moore'S Mill Creek on Park Road
Open to traffic

Mora River Bridge (Mora County, New Mexico)
Built 1915 with five spans; three spans relocated to current location in 1934
Pony truss bridge over Mora River on NM 97
Open to traffic

Morehouse Drive over Merritt Parkway Bridge (Fairfield County, Connecticut)
Built 1939
Concrete rigid frame bridge over Merritt Parkway (CT 15) on Morehouse Drive
Open to traffic

Morris Branch Bridge (Callaway County, Missouri)
Built 1935. Bypassed and abandoned 2001
Pony truss bridge over Morris Branch on CR 1053
Intact but closed to all 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

Morris Road Bridge (Crawford County, Pennsylvania)
Built ca. 1935
Pony truss bridge over Western New York and Pennsylvania Railroad tracks on TR 653
Removed but not replaced

Morrison Creek Bridge (Sullivan County, Indiana)
Built ca. 1935
Concrete stringer bridge over Morrison Creek on CR 50 N
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 County WPA Bridge (Morton County, Kansas)
Built 1936 by the Works Progress Administration
Five-span stone arch bridge over a branch of Cimarron River, 4.0 mi. north and 6.0 mi. west of Richfield
Open to 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

Mosier Valley Road Bridge (Tarrant County, Texas)
Built 1939
Bridge on Mosier Valley Road over Hurricane Creek
Open to traffic

Mosley Bridge (Jackson County, Minnesota)
Built 1939; replaced in 2012
Timber stringer bridge over Jud Ditch # 8 on Cnty 66
Replaced by a new bridge

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

Moss Creek Ditch Bridge (Carroll County, Missouri)
Built ca. 1930
Steel stringer bridge over Moss Creek Ditch on CR 508A
Closed to all 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 Brook Bridge (Cheshire County, New Hampshire)
Built 1939
Stone arch bridge over Mountain Brook on US 202 in Jaffrey
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 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-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 - Wolf River Bridge (Shawano County, Wisconsin)
Built 1939
Deck plate girder bridge over Wolf River on Mountain-Bay State Trail
Open to pedestrians only