Chicago, Madison & Northern Railroad

Reporting mark: CM&N
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

IC - Rock River Bridge (Old) (Winnebago County, Illinois)
Built 1888; Replaced 1917
Lost Pratt through truss bridge over Rock River on Illinois Central Railroad
Replaced by a new bridge