Chicago & Illinois Western Railway

Reporting mark: C&IW
CN - Chicago Sanitary & Ship Canal Bridge (Cook County, Illinois)
Built 1899
Pratt through truss bridge over Sanitary & Ship Canal on CNRR (original Chicago, Madison & Northern Railroad)
Open to traffic

CN - Collateral Channel Bridge (Cook County, Illinois)
Built 1914; intact but fixed, in use locked down
Deck plate girder bridge over Collateral Channel on Chicago & Western Illinois Railroad
Open to traffic