The Iowa Bridge Company was a company that designed and built many bridges that are listed on the U.S. National Register of Historic Places. Works (credit) include: * Boone Bridge 2, 1000 200th St. over Des Moines River, Boone, IA (Iowa Bridge Co.) NRHP-listed * Boone River Bridge, Buchanan Ave. over Boone River, Goldfield, IA (Iowa Bridge Company) NRHP-listed * Garretson Outlet Bridge, Co. Rd. K64 over Garretson Outlet Ditch, Whiting, IA (Iowa Bridge Co.) NRHP-listed * Goldfield Bridge, Oak St. over Boone R., Goldfield, IA (Iowa Bridge Co.) NRHP-listed * Lincoln Highway--West Beaver Creek Abandoned Segment, approximately 1 mi. E of Grand Junction between Chicago & Northwestern RR tracks and US 30, Grand Junction, IA (Iowa Bridge Co.) NRHP-listed * Marsh Rainbow Arch Bridge, Highway