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Backbone State Park Maquoketa River Bridge

Photos 

Backbone State Park Maquoketa River Bridge

View of the west side

Photo taken by Dave King on October 19, 2014

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BH Photo #304845

Map 

Street View 

Facts 

Overview
Steel stringer bridge over Maquoketa River on Pk 603(Bkbone)
Location
Backbone State Park, Delaware County, Iowa
Status
Open to traffic
History
Built 1934
Builder
- Civilian Conservation Corps
Design
Steel stringer
Dimensions
Length of largest span: 34.1 ft.
Total length: 103.0 ft.
Deck width: 20.3 ft.
Approximate latitude, longitude
+42.61801, -91.56094   (decimal degrees)
42°37'05" N, 91°33'39" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/618020/4719400 (zone/easting/northing)
Quadrangle map:
Dundee
Inventory numbers
IA 699030 (Iowa bridge number)
BH 63596 (Bridgehunter.com ID)
Inspection (as of 04/2014)
Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 74.4 (out of 100)

Update Log 

  • October 19, 2014: New photos from Dave King
  • October 12, 2014: New Street View added by Luke

Sources 

  • Luke
  • Dave King - DKinghawkfan [at] hotmail [dot] com