172ND ST over STREAM


+42.97308, -91.44172
42°58'23" N, 91°26'30" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:172ND ST over STREAM
Structure number:000000000120480
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:40.0 ft. [12.2 m]
Total length:40.0 ft. [12.2 m]
Roadway width between curbs:15.7 ft. [4.8 m]
Deck width edge-to-edge:15.7 ft. [4.8 m]
Skew angle:25°
Owner:County Highway Agency [02]
Year built:1916
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: November 2018

Good/Fair/Poor Condition:Poor
Status:Posted for other load-capacity restriction [R]
Average daily traffic:15 [as of 2013]
Deck condition:Serious [3 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Equal to present desirable criteria [8]
Water adequacy appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:21.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2018PoorSeriousPoorSatisfactory1521.2
November 2016PoorSeriousPoorSatisfactory1521.2
October 2014PoorSeriousPoorSatisfactory1521.2
November 2012PoorSeriousPoorSatisfactory2021.2
October 2010PoorSeriousPoorSatisfactory2019.1
November 2009PoorSeriousPoorSatisfactory2019.1
November 2008PoorSeriousPoorGood2019.1
December 2007PoorSeriousPoorGood2021.2
December 2006PoorSeriousPoorGood2021.2
March 2004PoorSeriousPoorGood2021.2
May 2002PoorSeriousSatisfactoryGood2043.6
February 2000PoorSeriousSatisfactoryGood2043.6
February 1998PoorSeriousSatisfactoryGood2043.6
February 1996FairFairSatisfactoryGood2047.7
July 1994FairFairSatisfactoryGood2048.1
July 1992FairFairSatisfactoryGood2048.1
May 1990FairFairSatisfactoryGood2048.1