Wabash-St. Charles Bridge Co.

NS - Cowmire Creek Bridge (St. Louis County, Missouri)
Built 1931
Concrete culvert bridge over Cowmire Creek on Wabash, later N&W, now NS Railway
Open to rail traffic

NS - Saint Charles Rail Bridge (St. Charles County, Missouri)
Built 1936
Cantilevered through truss bridge over the Missouri River on the Norfolk Southern Railway
Open to railroad traffic