Washington, Iowa

DME - 2nd Avenue Overpass (Washington County, Iowa)
Built 1936
Steel stringer bridge over 2nd Avenue on Dakota, Minnesota & Eastern Railroad
Open to traffic

DME - 3rd Street Overpass (Washington County, Iowa)
Built 1955
Steel stringer bridge over 3rd Street on Dakota, Minnesota & Eastern Railroad
Open to traffic

DME - IA1/IA92 Overpass (Washington County, Iowa)
Built 1955
Steel stringer bridge over Highway 1 on MILW Railroad
Open to traffic

Kewash Trail - Stone Culvert (Washington County, Iowa)
Stone arch bridge over Unnamed Tributary of West Fork Crooked Creek on Kewash Trail
Open to pedestrians only