171ST ST over CK


+44.91151, -98.87086
44°54'41" N, 98°52'15" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:171ST ST over CK
Structure number:000000025345230
Location:6.5W & 1N ZELL
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:30.8 ft. [9.4 m]
Total length:32.2 ft. [9.8 m]
Roadway width between curbs:18.0 ft. [5.5 m]
Deck width edge-to-edge:19.7 ft. [6.0 m]
Owner:County Highway Agency [02]
Year built:1927
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Gravel [8]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:15 [as of 2016]
Truck traffic:2% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 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:Meets minimum tolerable limits to be left in place as is [4]
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:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:77.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018FairFairSatisfactorySatisfactory1577.8
September 2016FairFairSatisfactorySatisfactory1580.1
October 2014FairFairSatisfactorySatisfactory1580.1
October 2012FairSatisfactorySatisfactorySatisfactory1576.0
September 2010FairSatisfactorySatisfactorySatisfactory1576.0
August 2008FairSatisfactorySatisfactorySatisfactory1576.0
August 2006FairSatisfactorySatisfactorySatisfactory1577.4
May 2004FairGoodSatisfactorySatisfactory1577.4
August 2002FairGoodSatisfactorySatisfactory1578.4
July 2000FairGoodSatisfactoryGood1578.4
September 1998FairGoodSatisfactoryGood1579.4
July 1996GoodGoodGoodGood1578.2
August 1994GoodGoodGoodGood1577.9
August 1992GoodGoodGoodGood1574.5
August 1990GoodGoodGoodGood1574.5