Grundy County

Black Hawk Creek Bridge   [Map]
Lost Pratt through truss bridge over Black Hawk Creek on Road
Replaced by a new bridge
Replaced 1931
C Avenue Bridge   [Map]
Concrete pony/through girder bridge over Branch Beaver Creek on C Avenue
Open to traffic
Built 1920
Dowd Creek Bridge   [Map]
Girder bridge over Dowd Creek (Branch Wolf Creek) on 300th Street
Open to traffic
Built 1914
Hammers Creek Bridge   [Map]
Lost pony truss bridge over Hammers Creek on West Brook Street
Replaced by a new bridge
Built 1947; Replaced 2009
Pioneer Trail - Black Hawk Creek Bridge   [Map]
Pony girder bridge over Black Hawk Creek on Pioneer Trail (former RI Railroad)
Open to pedestrians only
Pioneer Trail - Small Stream Bridge   [Map · Street View]
Timber stringer bridge over Small Stream on Pioneer Trail (former RI Railroad)
Open to pedestrians only
RI - Blackhawk Creek Bridge   [Map]
Deck Girder Bridge over Mosquito Creek on Abandoned Rock Island Railroad
Derelict/abandoned
RI - Minnehaha Creek Bridge   [Map · Street View]
Abandoned steel stringer bridge over Minnehaha Creek on Abandoned Railroad
Abandoned
RI - Small Stream Arch Bridge   [Map]
Abandoned closed-spandrel arch bridge over Small stream on Railroad
Derelict/abandoned
RI - South Beaver Creek Bridge #2   [Map]
Lost Steel stringer bridge over South Beaver Creek on former Rock Island RR
Demolished with piers and abutments remaining
Abandoned and removed ca 1980