Rock Falls, Iowa

IANR - River Street Overpass (Cerro Gordo County, Iowa)
Built 1915
Steel stringer bridge over River Street/CRB20 on Iowa Northern Railroad
Open to traffic

IANR - Spring Creek Stone Arch (Cerro Gordo County, Iowa)
Built 1886
Stone arch bridge over Spring Creek on Iowa Northern Railroad
Open to traffic

Rock Falls Bridge (Cerro Gordo County, Iowa)
Built 1929 by C.A. Holvik of Mason City, Iowa
Open-spandrel arch bridge over Shell Rock River on Spring Street in Rock Falls
Open to traffic