IA 21

Big Bear Creek Bridge (Iowa County, Iowa)
Built 1918
Pony truss bridge over Big Bear Creek on Old IA 21 in Victor
Closed to all traffic

IC - Mill Creek Bridge (Cherokee County, Iowa)
Built 1898; Removed 1984
Lost Double-intersection Warren deck truss bridge over Mill Creek and Old IA 21 on Illinois Central Railroad
Removed

Mill Creek Bridge (Cherokee County, Iowa)
Built 1891 by the George E. King Bridge Co.; bypassed in 2006 but appears to remain
Through truss bridge over Mill Creek on Old IA 21
Bypassed by a new bridge on a different alignment and abandoned