+42.88377, -91.99048
42°53'02" N, 91°59'26" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:175TH ST over VOLGA RIVER
Structure number:000000000151670
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:17.1 ft. [5.2 m]
Total length:53.2 ft. [16.2 m]
Roadway width between curbs:18.7 ft. [5.7 m]
Deck width edge-to-edge:18.7 ft. [5.7 m]
Skew angle:20°
Owner:County Highway Agency [02]
Year built:1955
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:3
Main spans material:Wood or timber [7]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Gravel [8]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:10 [as of 2013]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:39.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2016PoorGoodGoodPoor1039.0
October 2014PoorGoodGoodPoor1039.0
August 2013PoorSatisfactorySatisfactoryPoor1034.0
September 2010PoorVery GoodSatisfactorySerious1534.0
August 2008PoorVery GoodSatisfactorySerious1534.0
August 2006PoorVery GoodSatisfactorySerious1534.0
August 2004FairVery GoodSatisfactoryFair1540.0
July 2002FairVery GoodSatisfactorySatisfactory1547.0
August 2000FairVery GoodSatisfactorySatisfactory2047.0
August 1998FairVery GoodSatisfactoryGood2047.0
July 1996FairVery GoodSatisfactoryGood2047.0
July 1994FairVery GoodSatisfactoryGood2047.0
June 1992GoodVery GoodVery GoodGood1547.0
August 1990GoodVery GoodVery GoodGood1547.0