+42.03349, -90.28848
42°02'01" N, 90°17'19" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:100TH ST over ELK RIVER
Structure number:000000000125620
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:39.0 ft. [11.9 m]
Total length:40.0 ft. [12.2 m]
Roadway width between curbs:19.4 ft. [5.9 m]
Deck width edge-to-edge:20.0 ft. [6.1 m]
Owner:County Highway Agency [02]
Year built:1950
Year reconstructed:1997
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Open Grating [3]
Wearing surface:Other [9]

Latest Available Inspection: January 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:80 [as of 2017]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:Better than present minimum criteria [7]
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:76.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2018FairGoodGoodFair8076.8
January 2016FairGoodGoodFair8080.5
February 2014FairGoodGoodFair8081.0
January 2012FairGoodGoodFair8081.0
February 2010FairGoodGoodFair10080.7
December 2007FairGoodGoodSatisfactory10074.4
January 2006FairGoodGoodSatisfactory10074.8
January 2004FairGoodGoodSatisfactory10074.8
January 2002FairGoodGoodSatisfactory10074.8
February 2000FairGoodGoodSatisfactory10074.8
November 1997FairGoodGoodSatisfactory10074.8
November 1995FairGoodSatisfactorySatisfactory10074.8
December 1993FairGoodFairSatisfactory10064.8
January 1992FairGoodFairSatisfactory10064.8