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MAIN ST over IOWA RIVER

Map

Coordinates:
+42.40725, -93.07228
42°24'26" N, 93°04'20" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MAIN ST over IOWA RIVER
Structure number:000000000011160
Location:088192801
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:81.0 ft. [24.7 m]
Total length:162.1 ft. [49.4 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:37.7 ft. [11.5 m]
Owner:County Highway Agency [02]
Year built:1936
Year reconstructed:1999
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Low slump Concrete [4]

Latest Available Inspection: February 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:410 [as of 2013]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:96.3
Recommended work:Other structural work, including hydraulic replacements. [38]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2018FairGoodGoodSatisfactory41096.3
February 2016FairGoodGoodSatisfactory41096.3
February 2014FairGoodGoodSatisfactory41096.3
March 2012FairGoodGoodSatisfactory47096.3
March 2010FairGoodGoodSatisfactory47095.0
April 2008FairVery GoodGoodSatisfactory40095.0
May 2006FairVery GoodGoodSatisfactory40094.3
March 2004FairVery GoodGoodSatisfactory135089.0
June 2002FairVery GoodGoodSatisfactory135089.0
March 2000FairVery GoodGoodSatisfactory170088.8
July 1998PoorPoorGoodFair170017.8
May 1997PoorPoorGoodFair170017.8
January 1996PoorPoorGoodFair106020.6
April 1993FairFairGoodFair82048.0
July 1991FairSatisfactoryGoodSatisfactory82067.3