Northwestern Ave over MITCHELL CK


+44.06813, -101.14681
44°04'05" N, 101°08'49" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Northwestern Ave over MITCHELL CK
Structure number:000000028429470
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:40.0 ft. [12.2 m]
Total length:90.9 ft. [27.7 m]
Roadway width between curbs:26.9 ft. [8.2 m]
Deck width edge-to-edge:26.9 ft. [8.2 m]
Skew angle:30°
Owner:County Highway Agency [02]
Year built:1965
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Prestressed concrete [5]
Main spans design:Tee beam [04]
Deck type:Concrete Precast Panels [2]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:45 [as of 2016]
Truck traffic:2% of total traffic
Deck condition:Satisfactory [6 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 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:97.0
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$2,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018FairSatisfactoryGoodSatisfactory4597.0
August 2016FairSatisfactoryGoodFair4586.0
August 2014FairSatisfactoryGoodFair4586.0
August 2012FairSatisfactoryGoodFair4578.8
August 2010FairSatisfactoryGoodFair4578.8
August 2008FairSatisfactoryGoodFair4578.8
June 2006FairSatisfactoryGoodSatisfactory4589.8
July 2004FairFairGoodSatisfactory4588.8
June 2002FairFairGoodSatisfactory4588.8
July 2000FairFairGoodSatisfactory4588.8
July 1998FairSatisfactoryGoodSatisfactory4596.8
July 1996FairSatisfactoryGoodGood4596.3
August 1994GoodGoodGoodGood4589.5
July 1992GoodGoodGoodVery Good4589.5
August 1990GoodGoodVery GoodVery Good4588.5