Big Bear Creek Bridge

Photos 

Big Bear Creek Bridge

View looking west down the abandoned road. Part of bridge can just be seen. Taken June 17, 2013

Photo taken by Dave King

Enlarge

BH Photo #256539

Map 

Facts 

Overview

Through truss bridge over Big Bear Creek on 160th Street

Location

Iowa County, Iowa

Status

Derelict/abandoned

History

Built ca. 1920; rehabilitated 1955

Builders

- Iowa State Highway Commission of Ames, Iowa (Design)
- Jones & Laughlin Steel Co. of Pittsburgh, Pennsylvania & Woodlawn, Pennsylvania (Iron/Steel Manufacturer)

Design

Pratt through truss with riveted connections and a 30° skew. Portal bracings are beam.

Dimensions

Length of largest span: 101.0 ft.
Total length: 160.0 ft.
Deck width: 16.7 ft.
Vertical clearance above deck: 11.8 ft.

Skew angle

30 degrees

Approximate latitude, longitude

+41.77536, -92.10964   (decimal degrees)
41°46'31" N, 92°06'35" W   (degrees°minutes'seconds")

Approximate UTM coordinates

15/573996/4625217 (zone/easting/northing)

Quadrangle map:

Marengo

Land survey

T. 80 N., R. 11 W., Sec. 3

Inventory numbers

IA 190520 (Iowa bridge number)
BH 13678 (Bridgehunter.com ID)

Categories 

Update Log 

• August 18, 2015: Updated by Luke: Added categories "River To River Road", "IA 7", "US 32"
• June 17, 2013: Updated by Luke Harden: Added categories "Skewed", "Concrete deck", "A-frame portal"
• June 17, 2013: Updated by Dave King: Added category "Jones & Laughlin Steel Co."
• January 26, 2012: Updated by Jason Smith: Adjusted the information
• January 25, 2012: Updated by Luke Harden: Both the bridge and the road from the current curve in which 160th Street becomes J Avenue to, and beyond the bridge are abandoned

Sources 

• Luke
• Jason Smith - flensburg [dot] bridgehunter [dot] av [at] googlemail [dot] com
• Dave King - DKinghawkfan [at] hotmail [dot] com

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