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Humpback Bridge

Photos 

Looking SSW

Photo taken by Daniel Barnes in August 2017

Enlarge

BH Photo #400370

Map 

Facts 

Overview
Timber stringer bridge over Railroad on CR H50
Location
Lucas County, Iowa
Status
Open to traffic
Railroads
- Chicago, Rock Island & Pacific Railroad (RI; CRIP; ROCK)
- Union Pacific Railroad (UP)
Design
Timber stringer
Dimensions
Length of largest span: 23.0 ft.
Total length: 117.1 ft.
Deck width: 16.7 ft.
Approximate latitude, longitude
+40.94111, -93.27528   (decimal degrees)
40°56'28" N, 93°16'31" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/476828/4532256 (zone/easting/northing)
Quadrangle map:
Corydon NE
Inventory numbers
IA 225450 (Iowa bridge number)
BH 52187 (Bridgehunter.com ID)
Inspection (as of 11/2010)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 22.7 (out of 100)
Average daily traffic (as of 2010)
45

Update Log 

  • August 20, 2017: New photos from Daniel Barnes
  • April 23, 2012: Updated by Luke Harden: Added categories "Railroad", "Chicago, Rock Island & Pacific Railroad", "Union Pacific Railroad"

Sources 

  • Luke
  • Daniel Barnes