US 20

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95th Street Bridge (Cook County, Illinois)
Built 1958
Bascule bridge over Calumet River on 95th Street (US 12/US 20) in Chicago
Open to traffic

Ashtabula Viaduct (Ashtabula County, Ohio)
Built 1926-27, rehabilitated 1998, replaced 2000
Lost concrete arch bridge over Ashtabula River on US 20 in Ashtabula
Replaced by new bridge

Beaver Creek Bridge (Butler County, Iowa)
Built 1926; rehabilitated 1957
Girder bridge over Beaver Creek on US 20
Open to traffic

Beaver Creek Bridge (Butler County, Iowa)
Built ca. 1910; now closed
Through truss bridge over Beaver Creek on Elm Avenue
Intact but closed to all traffic

Big Sister Creek Bridge (Erie County, New York)
Built 1929
Concrete arch bridge over Big Sister Creek on US 20
Open to traffic

Broadway Bridge (Ada County, Idaho)
Built 1956; Replaced 2016
Lost Concrete stringer bridge over Boise River on US 20 & Broadway
Replaced by a new bridge

Bryan Bridge (Cherry County, Nebraska)
Built 1931-32 by the Yant Construction Co.; rehabilitated 1997
Deck truss bridge over Niobrara River on Old US 20
Open to traffic

Cattaraugus Creek Bridge (Chautauqua County, New York)
Built 1931; rehabilitated 1979
Three-span through truss bridge over Cattaraugus Creek on US 20/NY 5
Replaced by a new bridge

Cayuga Creek Bridge (Erie County, New York)
Built 1932; replaced 2002
Lost truss bridge over Cayuga Creek on US 20
No longer exists

Cayuga Creek Bridge (Erie County, New York)
Built 1936; replaced 2002
Lost truss bridge over Cayuga Creek on US 20
No longer exists

Cazenovia Creek Bridge (Erie County, New York)
Built 1929; rehabilitated 1968
Concrete arch bridge over Cazenovia Creek on US 20 in West Seneca
Open to traffic

CN - Old Highway Road Overpass #1 (Dubuque County, Iowa)
Steel stringer bridge over Old Highway Road on Railroad (CN)
Open to traffic

CN - Old Highway Road Overpass #2 (Dubuque County, Iowa)
Built 1915; Painted & Sandblasted 1974
Deck plate girder bridge over Old Highway Road on Railroad (CN)
Open to traffic

CN - Old Highway Road Overpass #3 (Dubuque County, Iowa)
Pony/through plate girder bridge over Old Highway Road on Railroad
Open to traffic

CN - Yellow Creek Road Overpass (Stephenson County, Illinois)
Built 1922
Through Girder bridge over Yellow Creek Road on Canadian National
Open to traffic

Conneaut Viaduct (Ashtabula County, Ohio)
Built 1922 by the Wendell Brown Co.; rehabilitated 1980; replaced 2004
Lost seven-span open-spandrel arch bridge over Conneaut Creek on US 20
Replaced by new bridge

County Bridge (Hampden County, Massachusetts)
Built 1932
Lost truss bridge over Westfield River on US 20 in Westfield
Replaced by new bridge

Cub Creek Bridge (Park County, Wyoming)
Built 1922; rehabilitated 1995
Arch bridge over Cub Creek on East Entrance Road
Open to traffic

East Bridge (Sac County, Iowa)
Lost Closed-spandrel arch bridge over Raccoon River on Main Street
Replaced by a new bridge

Eighteenmile Creek Bridge (Erie County, New York)
Built 1929
Concrete arch bridge over Eighteenmile Creek on US 20
Open to traffic

Ellsworth Street Bridge (Benton County, Oregon)
Built 1926; rehabilitated 1971
Parker through truss bridge over Willamette River on Eastbound US 20 in Albany
Open to traffic

Fox River Highland Ave Bridge (Kane County, Illinois)
Built 1940
Tee beam bridge over Fox River in Elgin on Highland Ave
Open to traffic

Free Bridge (Cayuga County, New York)
Built 1917; Replaced 1933
Lost Warren through truss with sub-panels bridge over Seneca River on US20
Replaced by a new bridge

Hawkeye Highway Branch South Fork Catfish Creek Bridge (Dubuque County, Iowa)
Lost Closed-spandrel arch bridge over Branch of South Fork Catfish Creek on Hawkeye Highway
Replaced by a new bridge

Henry's Fork Snake River Bridge (Fremont County, Idaho)
Built 1932
Through truss bridge over Henry's Fork Snake River on US 20B
Open to traffic

High Level Bridge (Lake County, Ohio)
Built 1921; Replaced 1979
Lost Open-spandrel arch bridge over Chagrin River on US 20
Replaced by a new bridge

Horseshoe Bend Bridge (Malheur County, Oregon)
Built 1932
Concrete stringer bridge over Malheur River on Abandoned U.S. 20
Closed to all traffic

IA57 Overpass (Hardin County, Iowa)
Built 1932, Removed April 2013
Deck plate girder bridge over Illinois Central Railroad on IA57 / Old US 20 in Ackley
Replaced by a new bridge

Isa Lake Bridge (Teton County, Wyoming)
Built 1936
Wooden bridge over Isa Lake on Grand Loop Road
Open to traffic

Julien Dubuque Bridge (Dubuque County, Iowa)
Built 1943; rehabilitated 1992
Steel through arch bridge over the Mississippi River on US 20 at Dubuque
Open to traffic

Kinderhook Creek Bridge (Rensselaer County, New York)
Built 1930; rehabilitated 1985
Pony truss bridge over Kinderhook Creek on US 20
Open to traffic

Kinderhook Creek Bridge (Rensselaer County, New York)
Built 1929; rehabilitated 1985; replaced 2015
Lost pony truss bridge over Kinderhook Creek on US 20
Replaced by a new bridge

Kinderhook Creek Bridge (Rensselaer County, New York)
Built 1927; rehabilitated 1985
Pony truss bridge over Kinderhook Creek on US 20 in East Nassau
Open to traffic

La Prele Creek Bridge (Converse County, Wyoming)
Built 1932; rehabilitated 1970
Concrete tee beam bridge over La Prele Creek on CR 36 (Sunflower Trail)
Open to traffic

Main Street Bridge (Middlesex County, Massachusetts)
Built 1936; rehabilitated 1991
Pony truss bridge over MBTA/BMRR on US 20 (Main Street) in Waltham
Open to traffic

MBTA - Southwest Cutoff Overpass (Worcester County, Massachusetts)
Built 1931
Concrete stringer bridge over US-20/Southwest Cutoff on MBTA Worcester Line
Open to traffic

Mink Creek Bridge (Otsego County, New York)
Built 1929
Concrete arch bridge over Mink Creek on US 20
Open to traffic

North Beacon Street Bridge (Suffolk County, Massachusetts)
Built 1917
Concrete arch bridge over Charles River on US 20 (N. Beacon Street) in Boston
Open to traffic

North End Bridge (Hampden County, Massachusetts)
Built 1924
Deck truss bridge over Connecticut River on US 20 (Park Avenue) in Springfield
Open to traffic

NS RR -Transit Road at Elma line (Erie County, New York)
Built 2000
Girder bridge over US 20 (Transit Road) on NS RR
Open to traffic

Nyssa Bridge (Malheur County, Oregon)
Built Ca. 1900, Replaced 1957
Lost Parker through truss bridge over Snake River on Old Oregon-Idaho Highway
Replaced by new bridge

Oatka Creek Bridge (Genesee County, New York)
Built 1933; rehabilitated 1965
Pony truss bridge over Oatka Creek on US 20
Open to traffic

Old US 20 Bridge (Cherry County, Nebraska)
Abandoned timber stringer bridge over unnamed creek on an old alignment of US 20
Abandoned

Old US20 Boone River Bridge (Hamilton County, Iowa)
Built 1950; rehabilitated 1978
Steel stringer bridge over Boone River on 2nd Street
Open to traffic

Olde Highway Road Overpass (Dubuque County, Iowa)
Built 1936
Steel stringer bridge over Railroad (CN) on Old IA966
Open to traffic

Quaboag River Bridge (Hampden County, Massachusetts)
Built 1910; rehabilitated 1930
Stone arch bridge over Quaboag River on US 20 (Wilbraham Street) in Palmer
Open to traffic

RI - US20 Ovperass (N) (Hardin County, Iowa)
Steel stringer bridge overUS 20 on Chicago, Rock Island & Pacific Railroad
Replaced by a new bridge

Ridgeway Ditch US 20 Bridge (Lorain County, Ohio)
Built 1932; rehabilitated 1988
Stone arch bridge over Ridgeway Ditch on US 20/OH 113 in North Ridgeville
Open to traffic

Soda Fork Bridge (Linn County, Oregon)
Built 1936
Concrete deck girder bridge over Soda Fork on U.S. 20
Open to traffic

Tonawanda Creek Bridge (Genesee County, New York)
Built 1934; rehabilitated 1965; demolished 2015
Pony truss bridge over Tonawanda Creek on US 20 in Alexander
Replaced by steel girder bridge due to scour critical statusl

UP - Nyssa Subway (Malheur County, Oregon)
Built 1941
Steel stringer bridge over U.S. 20 & 26 on Union Pacific Railroad
Open to traffic

UP - US20 Overpass (Hamilton County, Iowa)
Built 1973
Steel stringer bridge over US 20 on Railroad
Open to traffic

US 14 Tunnel (Park County, Wyoming)
Built 1960
Tunnel on US 14
Open to traffic

US 14 Tunnel (Park County, Wyoming)
Built 1960
Tunnel on US 14/16/20
Open to traffic

US 14 Tunnel (Park County, Wyoming)
Built 1960
Tunnel on US 14/16/20
Open to traffic

US 20 - C&B Railroad Bridge (Hampden County, Massachusetts)
Built 1929
Slab bridge over Chester & Becket Railroad (abandoned) on US-20/Huntington Road
Open to traffic

US 20 Walker Brook Bridge (Hampden County, Massachusetts)
Built 1924
Concrete tee beam bridge over Walker Brook on US 20/W Main Street
Open to traffic

US20 Boone River Bridge (Old) (Hamilton County, Iowa)
Built 1878-9; Struck 1949; Replaced 1950
Lost Pratt through truss bridge over Boone River on US 20 (East 2nd Street)
Destroyed by collision

US20 Iowa River Bridge (Hardin County, Iowa)
Built 2003
Girder bridge over Iowa River on US 20
Open to traffic

US20 Normans Kill Bridge (Schenectady County, New York)
Built 1929
Concrete arch bridge over Normans Kill on US 20 in Duanesburg
Open to traffic

US20 Raccoon River Bridge (Sac County, Iowa)
Built 1937; Rehabilitated 1964; Replaced 2004
Lost Steel stringer bridge over Raccoon River on US 20/Main Street
Replaced by a new bridge

US20 Vermilion River Bridge (Huron County, Ohio)
Built 1909; Rehabilitated 1955
Open-spandrel arch bridge over Vermilion River on US 20 in Wakeman
Open to traffic

West Olalla Slough Bridge (Lincoln County, Oregon)
Built 1936
Wooden bridge over West Olalla Slough on US 20 Frontage Road in Toledo
Open to traffic

Wind River Canyon Tunnel (Fremont County, Wyoming)
Built 1947
Tunnel on US 20 in Wind River Canyon
Open to traffic

Wind River Canyon Tunnel (Fremont County, Wyoming)
Built 1947
Tunnel on US 20 in Wind River Canyon
Open to traffic

Wind River Canyon Tunnel (Fremont County, Wyoming)
Built 1947
Tunnel on US 20 in Wind River Canyon
Open to traffic

Yaquina River Bridge (Lincoln County, Oregon)
Built 1923
Polygonal Warren pony truss bridge over Yaquina River on US 20 in Eddyville
Open to traffic