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Ion Bridge

Map 

Facts 

Overview
Lost through truss bridge over Branch Yellow River on Ion Road
Location
Allamakee County, Iowa
Status
No longer exists
History
Built ca. 1920; replaced 2001
Builder
- Iowa State Highway Commission of Ames, Iowa
Design
Through truss
Dimensions
Length of largest span: 140.1 ft.
Total length: 143.1 ft.
Deck width: 15.7 ft.
Vertical clearance above deck: 14.2 ft.
Approximate latitude, longitude
+43.11158, -91.26475   (decimal degrees)
43°06'42" N, 91°15'53" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/641182/4774667 (zone/easting/northing)
Quadrangle map:
Giard
Land survey
T. 96 N., R. 4 W., Sec. 24
Inventory numbers
IA 61180 (Iowa bridge number)
BH 12795 (Bridgehunter.com ID)
Inspection (as of 11/1997)
Deck condition rating: Serious (3 out of 9)
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 14.1 (out of 100)
Average daily traffic (as of 1997)
210

Update Log 

  • March 7, 2016: Updated by Luke: Edited name
  • April 7, 2010: Updated by J.R. Manning: Updated Road Name
  • April 5, 2010: Updated by J.R. Manning: Added GPS and Updated Road Data

Sources 

  • J.R. Manning - thekitchenguy [at] sbcglobal [dot] net
  • Luke