IAIS - Big Bear Creek Bridge

Photos 

Photo taken by Doug Lambert

Enlarge

View this photo on Flickr

BH Photo #249769

Map 

Street View 

• View #1

Facts 

Overview

Quadrangular Through Truss over Big Bear Creek on Iowa Interstate Railroad

Location

Iowa County, Iowa

Status

Open to traffic

Future prospects

http://www.iowadot.gov/iowainmotion/railplan/2017/IowaSRP201... (Page 111)

History

Built 1901

Builder

- American Bridge Co. of New York

Railroads

- Chicago, Rock Island & Pacific Railroad (RI; CRIP; ROCK)
- Iowa Interstate Railroad (IAIS)

Design

Quadrangular lattice through truss with through plate girder and modern concrete beam

Dimensions

Length of largest span: 110.0 ft.
Total length: 310.0 ft.

Approximate latitude, longitude

+41.78600, -92.09167   (decimal degrees)
41°47'10" N, 92°05'30" W   (degrees°minutes'seconds")

Approximate UTM coordinates

15/575477/4626415 (zone/easting/northing)

Quadrangle map:

Marengo

Inventory number

BH 51074 (Bridgehunter.com ID)

Categories 

Update Log 

• May 20, 2017: New photos from John Marvig
• April 24, 2017: Updated by Luke: Doomed
• August 15, 2013: New photos from John Marvig
• August 13, 2013: Updated by John Marvig: Added dimensions
• May 19, 2013: New Street View added by Luke Harden
• May 19, 2013: Updated by John Marvig: Added Build Date
• March 5, 2013: New photo from Luke Harden
• March 4, 2013: New photo from Luke Harden
• February 20, 2013: New photo from Luke Harden
• June 27, 2012: Updated by Luke Harden: Consensus is it's a quadrangular truss , so I listed it as a quad-lattice truss
• June 27, 2012: Updated by Fmiser: changed type
• January 25, 2012: Updated by Luke Harden: Added category "Big Bear Creek"
• January 24, 2012: Updated by Luke Harden: Added category "Iowa Interstate Railroad"

Sources 

• Luke
• Flickr - Image
• Fmiser - fmiser [at] gmail [dot] com
• John Marvig - marvigj27 [at] gmail [dot] com

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