Cramer Brothers Construction Co.

of Des Moines, Iowa
8th Avenue Bridge (Linn County, Iowa)
Built 1938
Haunched steel stringer bridge over Cedar River on 8th Avenue
Open to traffic

Twelfth Avenue Bridge (Linn County, Iowa)
Built 1974
Five-span open-spandrel arch bridge over Cedar River on 12th Avenue in Cedar Rapids
Open to traffic