IA1 Iowa River Bridge

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Photos

Looking north

Photo taken by David Herman

This bridge was a closed-spandrel arch until the 1986 rehabilitation.

Overview: Three-span arch bridge over Iowa River on North/Eastbound IA 1/Burlington Street in Iowa City
Location: Iowa City, Johnson County, Iowa
Status: Open to traffic
History: Built 1915; rehabilitated 1986
Builders: - B. J. Lambert of Iowa City, Iowa (Design)
- Iowa State Highway Commission of Ames, Iowa
Design: Open-spandrel arch (Originally Closed-Spandrel)
Dimensions: Length of largest span: 114.2 ft.
Total length: 342.2 ft.
Deck width: 38.1 ft.
Approximate latitude, longitude: +41.65765, -91.54152 (decimal degrees)
41°39'28" N, 91°32'29" W (degrees°minutes'seconds")
Approximate UTM coordinates: 15/621434/4612794 (zone/easting/northing)
Quadrangle map:: Iowa City West
Inventory numbers: IA 31720 (Iowa bridge number)
BH 13769 (Bridgehunter.com ID)
Inspection (as of 06/2013): Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 39.9 (out of 100)
Average daily traffic (as of 2013): 10,650

July 20, 2015: Updated by Luke: Added designer/engineer
November 15, 2013: Updated by Luke Harden: Noted that bridge was a closed spandrel arch up until the 1986 rehab.
October 18, 2013: New Street View added by Luke Harden
August 7, 2011: Updated by Luke Harden: Corrected name
June 2, 2006: Posted photo from David Herman