Rating:
1 vote

Hill's Mill Bridge

Howard County, Iowa

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
Average daily traffic (as of 2013)
30
Inventory numbers
IA 183710 (Iowa bridge number)
BH 13648 (Bridgehunter.com ID)
Inspection report (as of April 2018)
Overall condition: Poor
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Poor (4 out of 9)
Sufficiency rating: 15.7 (out of 100)
View more at BridgeReports.com

Categories 

Built 1902 (526)
Built during 1900s (7,252)
Carnegie Steel Co. (48)
Howard County, Iowa (25)
Iowa (6,527)
Lime Springs, Iowa (2)
M-frame portal (83)
One-lane traffic (7,613)
Open (39,975)
Owned by county (20,846)
 Pratt through truss (5,423)
Pratt truss (9,344)
Span length 75-100 feet (6,453)
Structurally deficient (14,104)
Through truss (15,173)
Total length 100-125 feet (5,189)
Truss (32,953)
Upper Iowa River (31)
Wooden deck (6,073)

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
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Comments 

Hill's Mill Bridge
Posted September 21, 2020, by Troy Knox (troyjknox [at] hotmail [dot] com)

This bridge was closed (not sure when) and ultimately lost this year. I took pictures of it back in May and took my wife to see it last month and it was gone.