Historic Bridges of the U.S. | Mason City, Iowa

State Street Bridge (Cerro Gordo County, Iowa)
Built 1903 by N.M. Stark & Co.
Arch bridge over Willow Creek on E. State Street in Mason City
Open to traffic

Stewart Avenue Bridge (Cerro Gordo County, Iowa)
Built 1914; rehabilitated 2003
Arch bridge over Winnebago River on North Carolina Avenue in Mason City
Open to traffic

Winnebago River Bridge (Cerro Gordo County, Iowa)
Built 1923
Arch bridge over Winnebago River on a local road in Mason City
Open to traffic