St. Charles Air Line Railroad

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CN - Bridge #2.14 (Cook County, Illinois)
Built 1899
Deck plate girder bridge over Alleyway on Canadian National Railway
Open to traffic

CN - Clark Street Bridge (Cook County, Illinois)
Built 1899; renovation and abutments rebuilt somewhat later
Pony/through plate girder bridge over Clark Street on Canadian National Railway
Open to traffic

CN - Dearborn Street Bridge (Cook County, Illinois)
Built 1899
Pony/through plate girder bridge over Dearborn Street on Canadian National Railway
Open to train traffic on top; Dearborn Street closed underneath

CN - Indiana Avenue Bridge (Cook County, Illinois)
Pony/through plate girder bridge over Indiana Ave on CNRR
Open to traffic

CN - Michigan Avenue Bridge (Cook County, Illinois)
Built 1899
Pony/through plate girder bridge over Michigan Avenue on Canadian National Railway
Open to traffic

CN - State Street Bridge (Cook County, Illinois)
Built 1899
Pony/through plate girder bridge over State Street on Canadian National Railway
Open to traffic

CN - Wabash Avenue Bridge (Cook County, Illinois)
Built 1899
Pony/through plate girder bridge over Wabash Avenue on Canadian National Railway
Open to traffic

CN - Wabash-Michigan Alley Bridge (Cook County, Illinois)
Built 1899, rebuilt very recently on original abutments
Deck plate girder bridge over Alleyway between Wabash Avenue and Michigan Avenue on Canadian National Railway
Open to traffic

St. Charles Air Line Bridge (Cook County, Illinois)
Built in 1919, original length was 260 ft. -- later shortened to 220 ft. in 1930
Baltimore through truss bascule bridge over the Chicago River on CN RR
Open to traffic