I-90

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Black Brook Bridge (Seneca County, New York)
Built 1953
Concrete arch bridge over Black Brook on I-90
Open to traffic

Calumet River I-90 Skyway Bridge (Cook County, Illinois)
Built 1958
Through truss bridge over Calumet River on I-90 Skyway in Chicago
Open to traffic

Chamberlain Bridge (Brule County, South Dakota)
Built 1925 as a four-span bridge; reconstructed 1953 as a double-barreled five span bridge incorporating five spans from a bridge at Wheeler
Double-barreled through truss bridge over the Missouri River (Francis Case Lake) on Business Loop I-90 at Chamberlain
Undergoing rehabilitation in 2010

Hubbard's Cave (Cook County, Illinois)
Built 1960
Tunnel on I-90/I-94 Kennedy Expy
Open to traffic

I-90 - Cle Elum River Bridge (Eastbound) (Kittitas County, Washington)
Built 1962
Polygonal Warren through truss bridge over Cle Elum River on eastbound I-90
Open to traffic

I-90 - Cle Elum River Bridge (Westbound) (Kittitas County, Washington)
Built 1949
Polygonal Warren through truss bridge over Cle Elum River on westbound I-90
Open to traffic

I-90 - Mercer Island Tunnel (King County, Washington)
Built 1989
Tunnel on I-90 at Mercer Island
Open to traffic

I-90 - Mt. Baker Ridge Tunnel (King County, Washington)
Built 1940 and twinned in 1989
Pair of tunnels under Mt. Baker Ridge on I-90 in Seattle
Open to traffic

I-90 - Vantage Bridge (Kittitas County, Washington)
Built 1962
Steel through arch bridge over Columbia River on I-90
Open to traffic

I-90 - Westfield River Bridge (Hampden County, Massachusetts)
Built 1957; rehabilitated 1990
Deck truss bridge over Westfield River & US 20 on I-90 in Montgomery
Open to traffic

I-90 - Yakima River Bridge (Kittitas County, Washington)
Built 1917; rehabilitated 1930
Concrete arch bridge over Yakima River on I-90
Open to traffic

Lake Keechelus Snowshed Tunnel (Kittitas County, Washington)
Built 1950
Tunnel under Lake Keechelus Snowshed on I-90
Open to traffic

Mirror Lake Bridge (Eastbound) (Sauk County, Wisconsin)
Built 1961; rehabilitated 1990
Steel rigid frame bridge over Mirror Lake on Ih 90 Eb-Ih 94 Eb
Open to traffic

Mirror Lake Bridge (Westbound) (Sauk County, Wisconsin)
Built 1961; rehabilitated 1991
Steel rigid frame bridge over Mirror Lake on I-90/94 Westbound.
Open to traffic

Silver Creek Bridge (Chautauqua County, New York)
Built 1954
Pair of concrete arch bridges over Silver Creek on I-90
Open to traffic

Six Mile Creek Bridge (Erie County, Pennsylvania)
Built 1959; rehabilitated 1987
Pair of deck truss bridges over Six Mile Creek on I-90
Open to traffic

Walnut Creek Bridge (Chautauqua County, New York)
Built 1954
Pair of concrete arch bridges over Walnut Creek on I-90
Open to traffic