Rockdale, Iowa

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CN - Catfish Creek Bridge (Dubuque County, Iowa)
Eastern span built 1901, western two built 1921
Pony/through plate girder bridge over Catfish Creek on Canadian National Railroad
Open to traffic

CN - South Fork Catfish Creek Bridge (Dubuque County, Iowa)
Deck plate girder bridge over South Fork Catfish Creek on Canadian National Railway
Open

CN - South Fork Catfish Creek Bridge (Old) (Dubuque County, Iowa)
Built 1940;
Lost Through truss bridge over South Fork Catfish Creek on Canadian National Railway
Replaced by a new bridge

CN - South Fork Catfish Creek Bridge (Older) (Dubuque County, Iowa)
Built ca. 1887; Replaced 1940
Lost Pratt through truss bridge over South Fork Catfish Creek on Former IC Railroad
Replaced by a new bridge

Rockdale Mill Bridge (Dubuque County, Iowa)
Lost Pratt through truss bridge over Catfish Creek on Rockdale Mill Road
Replaced by a new bridge

Rockdale Stone Arch (Dubuque County, Iowa)
Lost stone arch bridge over South Fork Catfish Creek
No longer exists

Rockdale Viaduct (Dubuque County, Iowa)
Replaced 1986
Lost Pony/through plate girder bridge over Catfish Creek & Illinois Central Railroad on Rockdale Road
Replaced by a new bridge