Main Street Bridge (Pulaski County, Arkansas)
Replaced 1973
Lost seven-span open-spandrel arch bridge over the Arkansas River on Main Street at Little Rock in North Little Rock
Replaced by a modern bridge

Main Street Bridge (Logan County, Arkansas)
Built 1922 by local stonemasons
Small stone arch bridge over Silver Smith Branch on Sellars Street (formerly Main Street) in New Blaine
Open to traffic

Main Street Bridge (Ohio County, West Virginia)
Built 1892
Stone arch bridge over Wheeling Creek on Main Street (CR 18) in Wheeling
Open to traffic

Main Street Bridge (Dane County, Wisconsin)
Replaced a historic bridge 1999
Arch bridge over Yahara River on Main Street in Madison
Open to traffic

Main Street over the Santa Monica Freeway (Los Angeles County, California)
Built 1926
Concrete arch bridge over ROUTE 1 on Main Street in Santa Monica
Open to traffic

Maple Avenue Bridge (Deschutes County, Oregon)
Built 2006 by Cascade Bridge
Open-spandrel arch bridge over Dry Cannon on NW Maple Avenue in Redmond
Open to traffic

Maple Creek Road Bridge (Humboldt County, California)
Built 1923
Concrete arch bridge over Boulder Creek on Maple Creek Road
Open to traffic

Maple Street Bridge (Washington County, Arkansas)
Built 1936 by Fred Luttjohann of Topeka, Kansas
Open-spandrel arch bridge over the railroad on Maple Street in Fayetteville
Open to traffic

Market Street Bridge (Hamilton County, Tennessee)
Built 1917
Bascule bridge over Tennessee River on Market Street (State Highway 8) in Chattanooga
Rehabilitated in 2006

Market Street Bridge (Van Wert County, Ohio)
Built 1934
Closed-spandrel arch bridge over Town Creek on Market Street in Van Wert
Open to traffic

Marrs Creek Bridge (Randolph County, Arkansas)
Built 1934 by the Luten Bridge Co.; rehabilitated and widened in 1950
Open-spandrel arch bridge over Marrs Creek on US 67 in Pocahontas
Open to traffic

Martha Washington Bridge (Milwaukee County, Wisconsin)
Built 1964
Concrete arch bridge over Martha Washington Drive on W. Washington Blvd. in Wauwatosa
Open to traffic

Martigney Creek Bridge (St. Louis County, Missouri)
Stone arch bridge over Martigney Creek on the Union Pacific Railroad, just beyond Robert Koch Hospital Drive
Open to railroad traffic

Mascot Bridge (Knox County, Tennessee)
Built ca. 1930
Concrete Solid Ribbed Arch (Tied Arch) bridge over Holston River on County Road 1262
Open to traffic

Mattole Road Bridge (Humboldt County, California)
Built 1935
Concrete arch bridge over Mattole River on Mattole Road
Open to traffic

Mcgaughey Chapel Road Bridge (Whitfield County, Georgia)
Replaced 1978
Lost concrete arch bridge over Coahulla Creek on Mcgaughey Chapel Road
Replaced by new bridge

McKinley Drive Bridge (St. Louis, Missouri)
Built 1997
Replica stone arch bridge on McKinley Drive in Forest Park
Open to traffic

Mederville Bridge (Clayton County, Iowa)
Built 1918 by the Marsh Engineering Co.
Open-spandrel arch bridge over Volga River on Evergreen Road
Unknown status

Melan Bridge (Lyon County, Iowa)
Built 1894 under the direction of Frederick von Emperger; relocated 1964
Reinforced concrete arch bridge within Emma Sater Park near Rock Rapids, just off IA 9
Open to pedestrians only

Memorial Drive Bridge (Racine County, Wisconsin)
Built 1936
Concrete arch bridge over Root River on Memorial Drive in Racine
Open to traffic

Meramec River MO 19 Bridge (Crawford County, Missouri)
Built 1925 by the Federal Bridge Co.; replaced 2000
Lost five-span closed-spandrel arch bridge over Meramec River on MO 19
Replaced by a modern bridge

Meramec River MO 21 Bridge (St. Louis County, Missouri)
Built 1940
Steel through arch bridge over the Meramec River on MO 21
Open to four lanes of traffic

Middle Creek Bridge (Miami County, Kansas)
Built ca. 1920
Concrete arch bridge over Middle Creek, 9.0 mi. south and 3.6 mi. west of Louisburg
Open to traffic

Middle Fork AR 7 Bridge (Garland County, Arkansas)
Built 1933 by the Ault-Rich Construction Co. of Cassville, Missouri
Two-span open-spandrel arch bridge over Middle Fork Saline River on AR 7
Open to two-lane traffic

Middle Fork IN 75 Bridge (Carroll County, Indiana)
Built 1942
Concrete arch bridge over Middle Fork Wildcat Creek on IN 75
Open to traffic

Middle Fork Smith River Bridge (Del Norte County, California)
Built 1925; rehabilitated 1972
Concrete arch bridge over Middle Fork Smith River on US 199
Open to traffic

Middlebury Street Bridge (Elkhart County, Indiana)
Built 1931 by Bontrager Construction Co.; rehabilitated 1985
Three-span concrete arch bridge over Elkhart River on Middlebury Street in Elkhart
Open to traffic

Mill Creek Bridge (Bourbon County, Kansas)
Built 1927
Through arch bridge over Mill Creek on North Crawford in Fort Scott
Open to traffic

Mill Street Bridge (Waupaca County, Wisconsin)
Built 1891; Replaced 1994
Lost Stone arch bridge over Waupaca River on Water Street in Waupaca
Replaced by new bridge

Miller Creek Bridge (Independence County, Arkansas)
Built 1914 by Hartford & Fugatt of Batesville
Two-span arch bridge over Miller Creek on Miller Creek Road (CR 86) in Batesville
Open to one-lane traffic

Mills Street Bridge (Kalamazoo County, Michigan)
Built 1913; Replaced 1993
Lost Closed-spandrel arch bridge over Kalamazoo on Mills in Kalamazoo
Replaced by new bridge

Milltown Bridge (Sebastian County, Arkansas)
Built 1940 by the Works Progress Administration
Two-span stone arch bridge over Vache Grasse Creek on CR 77 (Mount Harmony Road) west of Milltown
Current status unknown

Milwaukee River Parkway, Lincoln Park, South Branch (Milwaukee County, Wisconsin)
Built 1940
Lost earthen filled arch bridge over South Branch Milwaukee River on Milwaukee River Parkway
Demolished; Replaced by a new bridge

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

Milwaukee Street Bridge (Rock County, Wisconsin)
Built 1913
Concrete arch bridge over Rock River on Milwaukee Street in Janesville
Open to traffic

Mine Creek Bridge (Linn County, Kansas)
Built 1914
Concrete arch bridge over Mine Creek, 8.8 mi. north and 3.4 mi. east of Prescott
Open to traffic

Mine Creek Bridge (Linn County, Kansas)
Built 1927
Rainbow arch bridge over Mine Creek on Ungeheuer Road (Old US 69), five miles north of Prescott
Open to traffic

Minerva Creek Bridge (Marshall County, Iowa)
Built 1912
Arch bridge over Minerva Creek on a local road
Open to traffic

Minneopa Falls Bridge (Blue Earth County, Minnesota)
Open-spandrel arch bridge over the Twin Falls of Minneopa Creek at Minneopa State Park
Open to pedestrians and bicyclists only

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

Mission Bridge over the Los Angeles River (Los Angeles County, California)
Built 1944; rehabilitated 1955
Concrete arch bridge over Los Angeles River on US 101 in Los Angeles
Open to traffic

Mississippi River Bridge (Grant County, Wisconsin)
Built 1982
Steel through arch bridge over Mississippi River on US 61/US 151
Open to traffic

Mississippi River I-40 Bridge (Shelby County, Tennessee)
Built 1973
Two-span steel through arch bridge over the Mississippi River on I-40 at Memphis
Open to traffic

Mississippi River US 61 Bridge (Dubuque County, Iowa)
Built 1982
Steel through arch bridge over the Mississippi River on US 61 and US 151
Open to traffic

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

Moffett Creek Bridge (Multnomah County, Oregon)
Built in 1915 by A. Guthrie and Company, Abandoned in the 1940 and is now part of Historic Columbia River Highway trail.
Closed-spandrel arch bridge over Moffett Creek on Historic Columbia River Highway (Abandoned)
Open to pedestrians

Morgan Oak Street Arch Bridge (Cape Girardeau County, Missouri)
Small concrete arch bridge on Morgan Oak Street over a ditch formerly occupied by the Missouri Pacific Railroad
Open to traffic on a city street

Morton's Highway Crossing (Kalamazoo County, Michigan)
Built 1904; Replaced 1992
Lost Concrete through arch bridge over Amtrak/Conrail Railroad on O Avenue in Near Oshtemo
Replaced by new bridge

Mosel Avenue Bridge (Kalamazoo County, Michigan)
Built 1924; Altered 1953; Deck resurfaced 1985; Replaced 1990
Lost Concrete pony arch bridge over Kalamazoo River on Mosel Avenue in Kalamazoo
Replaced by new bridge

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

Mott Bridge (Douglas County, Oregon)
Built 1936
Wooden arch bridge over North Umpqua River on a local road
Open to traffic

Mott Bridge (Hettinger County, North Dakota)
Built 1921; replaced 1982
Lost two-span rainbow arch bridge over North Fork Cannonball River on First Street in Mott
Replaced by new bridge

Moundsville WV 2 Spur Over Ohio River (Marshall County, West Virginia)
Built 1986
Steel through arch bridge over Thmpsn Av;Lckwd Av;Ohior on Wv 2 Spur
Open to traffic

Muddy Creek Bridge (Butler County, Kansas)
Built 1910
Two-span concrete arch bridge over Muddy Creek, 3.2 mi. east and 1.0 mi. north of Douglass
Open to traffic

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

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

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

Myrtle Creek Arch Bridge (Douglas County, Oregon)
Built 1922, Rehabilitation & Widening 2007
Concrete arch bridge over South Umpqua River on CR 386 in Myrtle Creek
Open to traffic

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

N. Hawley Road Bridge (Milwaukee County, Wisconsin)
Built 1917
Concrete arch bridge over Menomonee River on N. Hawley Road in Milwaukee
Replaced

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

Napoleon Bridge (Henry County, Ohio)
Built 1929 by D.H. Overman; replaced 2005
Lost seven-span concrete arch bridge over Maumee River on OH 108 at Napoleon
Replaced by a replica bridge

Narrow 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

Natchez Trace MS 27 Bridge (Hinds County, Mississippi)
Built 1961
Arch bridge over Natchez Trace Parkway on MS 27
Open to traffic

National Avenue Bridge (Bourbon County, Kansas)
Built 1933; rehabilitated 1983
Marsh arch bridge over Marmaton River on National Avenue (Old US 69) in Fort Scott
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

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

Neosho River Bridge (Coffey County, Kansas)
Built 1926
Two-span Marsh arch bridge over Neosho River on 19th Road, 0.2 mi. east of Hartford
Open to traffic

New River Gorge Bridge (Fayette County, West Virginia)
Opened Oct. 22, 1977
Massive steel arch bridge over New River on US 19
Open to traffic

Newport Road Bridge (Franklin County, Missouri)
Small concrete arch bridge over a branch of Little Boeuf Creek on Newport Road just off MO 100
Open to one-lane traffic

Niangua River MO 64 Bridge (Dallas County, Missouri)
Built 1931
Two-span open-spandrel arch bridge over Niangua River on MO 64 near Bennett Springs
Open to traffic

North Avenue Viaduct (Milwaukee County, Wisconsin)
Built 1921; Replaced 1991
Lost Open-spandrel arch bridge over Milwaukee River on E North Avenue in Milwaukee
Replaced by new bridge

North Broadway over the Los Angeles River (Los Angeles County, California)
Built 1909; rehabilitated 1974
Concrete arch bridge over L A Riv,Bnsf,Uprr,Metro, on North Broadway in Los Angeles
Open to traffic

North Fork Rogue River Bridge (Jackson County, Oregon)
Built 1930
Concrete arch bridge over North Fork Rogue River on CR 797
Open to traffic

North Hamma Hamma River Bridge (Mason County, Washington)
Built 1924
Rainbow arch bridge over Hamma Hamma River on US 101
Open to traffic

North Main Street over the Los Angeles River (Los Angeles County, California)
Built 1910
Concrete arch bridge over Los Angeles River on N Main Street in Los Angeles
Open to traffic

North Spring Street over the Los Angeles River (Los Angeles County, California)
Built 1928; rehabilitated 1939, seismic upgrade 1992
Concrete arch bridge over Los Angeles River on North Spring Street in Los Angeles
Open to traffic

O'Neal Bridge (Independence County, Arkansas)
Built ca. 1933, possibly by the Works Progress Administration
Small five-span closed-spandrel arch bridge over O'Neal Creek on O'Neal Road (CR 37)
Open to traffic

Oak Creek Mill Road Bridge (Milwaukee County, Wisconsin)
Built 1931; Closed to traffic for flood damage 6/08; Repaired-Reopened 8/08;
Concrete arch bridge over Oak Creek on Mill Road in South Milwaukee
Open to traffic after repair of flood damage

Oak Creek Parkway Bridge (Milwaukee County, Wisconsin)
Built 1931
Concrete arch bridge over Oak Creek on Oak Creek Parkway in South Milwaukee
Open to traffic

Oak Creek Parkway UPRR Bridge (Milwaukee County, Wisconsin)
Stone arch bridge over Oak Creek and Oak Creek Parkway on Union Pacific Railroad in South Milwaukee
Open to traffic

Oak Leaf Bike Trail Bridge (Milwaukee County, Wisconsin)
Stone arch bridge over Hubbard Park Drive on Oak Leaf Bike Trail in Shorewood
Open to traffic

Oaklawn Ave over Goldline (ATSF) (Los Angeles County, California)
Built 1910
Concrete through arch bridge over Metrolink (ATSF) on Oaklawn Ave. in South Pasadena
Open to pedestrians

Oats Creek Bridge (Jackson County, Arkansas)
Built 1929; replaced 2005
Lost three-span concrete arch bridge over Oats Creek on Bradford Road (CR 1)
No longer exists

Ocean Avenue Bridge over Santa Monica Freeway (Los Angeles County, California)
Built 1935
Concrete arch bridge over I-10 on Ocean Avenue in Santa Monica
Open to traffic

Oconomowoc River Bridge (Waukesha County, Wisconsin)
Built 1910
Concrete arch bridge over Oconomowoc River on West Second Street in Oconomowoc
Open to traffic

Oconomowoc River Bridge (Waukesha County, Wisconsin)
Built 1916
Concrete arch bridge over Oconomowoc River on WI 83
Open to traffic

Oconomowoc River CPRR Arch Bridge (Waukesha County, Wisconsin)
Built 1902 by The Milwaukee Road Railroad (CMStP&P RR)
Closed-spandrel arch bridge over Oconomowoc River on Canadian Pacific Railroad in Oconomowoc
Open to traffic

Old "Old" Taylorsville Road/Chenoweth Run Bridge (Jefferson County, Kentucky)
Built 1800's(?)
Abandoned stone arch bridge over Branch of Chenoweth Run on Former Old Tayolorsville Road
Abandoned

Old Cannons Lane Bridge (Jefferson County, Kentucky)
Built ca. 1960
Concrete arch bridge over Middle Fork Beargrass Creek on Old Cannons Lane in Louisville
Open to traffic

Old Carr Bridge (Hillsborough County, New Hampshire)
Double arch bridge over the Beard Brook at the meeting of the Beard and Jones Roads, known as the Old Carr Bridge, built by Captain Jonathan Carr in 1840, and allegedly paid for with counterfeit money.
Stone arch bridge over Beard's Brook. on Jones Road in Hillsborough
Open to traffic

Old Monitor Road Bridge (Chelan County, Washington)
Built 1930
Concrete arch bridge over Wenatchee River on Old Monitor Road
Open to traffic

Old National Road Bridge (Vigo County, Indiana)
Built 1919
Concrete arch bridge over Clear Creek on Old National Road
Open to traffic

Old Paper Mill Bridge (Baltimore County, Maryland)
Built 1922; replaced 2001; rehabilitated as historic landmark in 2007
Bridge over Loch Raven Reservoir on an old alignment of Paper Mill Rd
Closed to all traffic

Old Route E Bridge (Newton County, Missouri)
Built 1922; made obsolete by bridge on new alignment in 1974
Five-span arch bridge over Shoal Creek on Old Route E, northwest of Granby
Open to traffic

Old Scotland Bridge (Boone County, Indiana)
Built 1901
Three-span stone arch bridge over Sugar Creek on CR 200E
Open to traffic

Old Shelbyville Road Bridge (Jefferson County, Kentucky)
Open-spandrel arch bridge over Floyd's Fork on old US 60/Shelbyville Rd. directly south of the new bridge in Louisville
Closed to all traffic

Old Stable Bridge (St. Louis, Missouri)
Built 1922; rehabilitated 2003
Replica concrete arch bridge on Theatre Drive in Forest Park
Open to traffic

Old Stone Arch Bridge (Clark County, Illinois)
Built 1837
Stone arch bridge over Unnamed creek on National Trail/Archer Avenue in Marshall
Open to traffic