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Rockdale Viaduct

Photos 

Iowa Department of Transportation

Enlarge

BH Photo #259222

Map 

Facts 

Overview
Lost Pony/through plate girder bridge over Catfish Creek & Illinois Central Railroad on Rockdale Road
Location
Rockdale, Dubuque County, Iowa
Status
Replaced by a new bridge
History
Replaced 1986
Builders
- Iowa State Highway Commission of Ames, Iowa (Design)
- Minneapolis Bridge Co. of Minneapolis, Minnesota
Railroad
- Illinois Central Railroad (IC; ICG (1972-1988))
Design
Pony plate girder
Dimensions
Total length: 555.0 ft.
Approximate latitude, longitude
+42.46617, -90.67620   (decimal degrees)
42°27'58" N, 90°40'34" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/691045/4704153 (zone/easting/northing)
Quadrangle map:
Dubuque South
Inventory number
BH 57037 (Bridgehunter.com ID)

Update Log 

  • July 26, 2015: Updated by Luke: Added info from Iowa Engineer Volume 22
  • July 8, 2013: Added by Luke Harden