+45.68778, -104.36925
45°41'16" N, 104°22'09" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S 323 over BOX ELDER CREEK
Structure number:S00323017+07001
Location:17M SE EKALAKA
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:63.0 ft. [19.2 m]
Total length:183.7 ft. [56.0 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:26.6 ft. [8.1 m]
Owner:State Highway Agency [01]
Year built:1957
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 13.5 / HS 15 [3]
Number of main spans:3
Main spans material:Concrete [1]
Main spans design:Tee beam [04]
Deck type:Not applicable [N]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:296 [as of 2016]
Truck traffic:9% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Meets minimum tolerable limits to be left in place as is [4]
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 foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:74.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017GoodGoodGoodGood29674.0
August 2015GoodGoodGoodGood33074.9
August 2013GoodGoodGoodGood33074.9
September 2011FairGoodSatisfactoryGood33074.9
September 2009FairGoodSatisfactoryGood15081.9
September 2007GoodGoodVery GoodVery Good16081.8
October 2005GoodGoodVery GoodVery Good22081.7
February 2004GoodGoodVery GoodVery Good25081.7
November 2001GoodGoodVery GoodVery Good25081.7
November 1999GoodGoodVery GoodVery Good18081.8
February 1998GoodGoodVery GoodVery Good18081.8
November 1995GoodGoodVery GoodVery Good18081.1
June 1994GoodGoodVery GoodVery Good12381.3
February 1992GoodGoodVery GoodVery Good10087.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.732725700
Reinforced Concrete Top Flangesq. ft.4,8984,8494900
Reinforced Concrete Columneach44000
Reinforced Concrete Abutmentlinear ft.6262000
Reinforced Concrete Pier Caplinear ft.4949000
Open Jointlinear ft.5252000
Movable Bearingeach84400
Steel Protective Coatingsq. ft.84400
Fixed Bearingeach84400
Steel Protective Coatingsq. ft.86200
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.3713521900
Steel Protective Coatingsq. ft.928928000