170th Street Bridge

Photos

Photo taken by Carl Wycoff

License: Creative Commons Attribution (CC BY)

BH Photo #279999

Overview: Through truss bridge over South Skunk River on 170th Street
Location: Story County, Iowa
Status: Open to traffic
History: Built 1939
Builders: - Illinois Steel Co. of Chicago, Illinois (Iron/Steel Manufacturer)
- Inland Steel Co. of East Chicago, Indiana (Iron/Steel Manufacturer)
Design: Eight panel Parker through truss with riveted connections.
Dimensions: Length of largest span: 149.9 ft.
Total length: 151.9 ft.
Deck width: 20.0 ft.
Vertical clearance above deck: 11.8 ft.
Approximate latitude, longitude: +42.10603, -93.57061 (decimal degrees)
42°06'22" N, 93°34'14" W (degrees°minutes'seconds")
Approximate UTM coordinates: 15/452821/4661705 (zone/easting/northing)
Quadrangle map:: Ames East
Land survey: T. 84 N., R. 23 W., Sec. 7
Average daily traffic (as of 2015): 120
Inventory numbers: IA 315280 (Iowa bridge number)
BH 14442 (Bridgehunter.com ID)
Inspection report (as of November 2016): Overall condition: Fair
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Deck condition rating: Fair (5 out of 9)
Sufficiency rating: 52 (out of 100)
View more at BridgeReports.com

October 17, 2016: Updated by Dana and Kay Klein: South Skunk
June 2, 2015: New photos from Kevin Skow
February 2, 2015: New photos from Lee Smith
March 18, 2014: New photo from Luke Harden
February 22, 2014: New photo from Jack Schmidt
October 14, 2012: Updated by Luke Harden: Added steel fabricators to builders section
July 20, 2012: Updated by Luke Harden: Added category "M-frame portal"
September 12, 2011: New photo from Luke Harden
September 11, 2011: New photo from Luke Harden
September 4, 2011: New photo from Luke Harden
August 31, 2011: New photos from Jason Smith
July 6, 2011: New photos from Luke Harden
August 13, 2010: Updated by Nathan Holth: Updated bridge type.