Rating:
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Lower Ledges Road Bridge

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Map 

Facts 

Overview
Steel stringer bridge over Pea's Creek on Canyon Road (250th Street)
Location
Ledges State Park, Boone County, Iowa
Status
Open to traffic
Design
Steel stringer
Dimensions
Length of largest span: 40.0 ft.
Total length: 43.0 ft.
Deck width: 20.3 ft.
Approximate latitude, longitude
+41.99527, -93.88530   (decimal degrees)
41°59'43" N, 93°53'07" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/426675/4649629 (zone/easting/northing)
USGS topographic map
Madrid NW
Inventory numbers
IA 699510 (Iowa bridge number)
BH 49180 (Bridgehunter.com ID)
Inspection (as of 08/1991)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Good (7 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 40.0 (out of 100)

Update Log 

  • October 31, 2012: Updated by Luke Harden: Open
  • February 14, 2012: Updated by Luke Harden: Edited status, this was not the bridge that was destroyed in the floods.
  • September 8, 2011: Updated by Luke Harden: Added NBI info
  • July 24, 2011: Added by Luke Harden

Sources 

  • Luke Harden - lukemh9 [at] gmail [dot] com

Comments 

Lower Ledges Road Bridge
Posted September 8, 2011, by Luke Harden (lmharden [at] iastate [dot] edu)

There are two bridges in the [ark that are steel stringer and the only thing different between them is the deck width so I'm guessing which one is which for the entries, but both of the bridges NBI data is added to the site.