Rating:
1 vote

Hill's Mill Bridge

Photos 

Photo taken by Jason Smith

Enlarge

BH Photo #212047

Map 

Facts 

Overview
Pratt through truss bridge over Upper Iowa River on Mill Road
Location
Lime Springs, Howard County, Iowa
Status
Open to traffic
History
Built 1902
Builder
- Carnegie Steel Co. of Pittsburgh, Pennsylvania (Iron/Steel Manufacturer)
Design
Pin-connected Pratt through truss bridge with M-frame portal bracing
Dimensions
Length of largest span: 94.2 ft.
Total length: 122.1 ft.
Deck width: 15.7 ft.
Vertical clearance above deck: 11.8 ft.
Also called
Mill Road Bridge
Approximate latitude, longitude
+43.46757, -92.30774   (decimal degrees)
43°28'03" N, 92°18'28" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/555994/4812972 (zone/easting/northing)
Quadrangle map:
Lime Springs
Land survey
T. 100 N., R. 12 W., Sec. 19
Inventory numbers
IA 183710 (Iowa bridge number)
BH 13648 (Bridgehunter.com ID)
Inspection (as of 04/2015)
Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 15.7 (out of 100)
Average daily traffic (as of 2013)
30

Update Log 

  • May 31, 2016: New photos from Kevin Skow
  • September 22, 2012: New photos from Don Morrison
  • August 7, 2012: Updated by Jason Smith: Changed the name of the bridge to reflect on the local name
  • September 2, 2011: Updated by Jason Smith: Added information on the bridge

Sources 

  • Jason Smith - flensburg [dot] bridgehunter [dot] av [at] googlemail [dot] com
  • Don Morrison
  • Kevin Skow - weatherbum [at] hotmail [dot] com