Spencer, Iowa
Old Rusty Bridge (Clay County, Iowa)Built 1901 by the Clinton Bridge & Iron Works; relocated here in 1915
Through truss bridge over Little Sioux River on 210th Avenue north of Spencer in Spencer
Open to one-lane traffic
Spencer Grand Avenue Bridge (Clay County, Iowa)Built 1915; rehabilitated 1951
Lost concrete arch bridge over Little Sioux River on US 18/71 (Grand Avenue) in Spencer
Replaced by a new bridge
Thunder Bridge (Clay County, Iowa)Built 1905
Through truss bridge over Little Sioux River on 355th Street (Thunder Bridge Road) just off 4th Street in Spencer
Open to one-lane traffic