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Big Mill Creek Bridge

Photos 

Photo taken by Steve Conro in February 2020

Enlarge

BH Photo #466498

Map 

Facts 

Overview
Pony truss bridge over Big Mill Creek on 258th Street
Location
Jackson County, Iowa
Status
Open to traffic
History
Built 1986
Builder
- Iowa State Highway Commission of Ames, Iowa
Design
Warren pony truss with alternating verticals
Dimensions
Length of largest span: 89.9 ft.
Total length: 91.9 ft.
Deck width: 20.3 ft.
Approximate latitude, longitude
+42.27290, -90.53318   (decimal degrees)
42°16'22" N, 90°31'59" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/703427/4683023 (zone/easting/northing)
Quadrangle map:
La Motte
Land survey
T. 86 N., R. 4 E.
Average daily traffic (as of 2017)
15
Inventory numbers
IA 194551 (Iowa bridge number)
BH 13706 (Bridgehunter.com ID)
Inspection report (as of April 2018)
Overall condition: Poor
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Fair (5 out of 9)
Sufficiency rating: 46.1 (out of 100)
View more at BridgeReports.com

Update Log 

  • February 24, 2020: New photos from Steve Conro

Sources 

Comments 

Big Mill Creek Bridge
Posted February 25, 2020, by Luke

Might not even be major highways, as ISHC used these designs all over state for both major and secondary roads.

Big Mill Creek Bridge
Posted February 25, 2020, by Tony Dillon (spansaver [at] hotmail [dot] com)

These are most likely recycled off of state highways nearby.

Big Mill Creek Bridge
Posted February 25, 2020, by Luke

Same as the other entry. Early ISHC design, def relocated.

Big Mill Creek Bridge
Posted February 25, 2020, by Clark Vance (cvance [at] dogmail [dot] com)

Seems older than 1986.