+46.99747, -109.92603
46°59'51" N, 109°55'34" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S 239 over JUDITH RIVER
Structure number:S00239003+01001
Location:2M W HOBSON
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:65.0 ft. [19.8 m]
Total length:65.0 ft. [19.8 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:25.9 ft. [7.9 m]
Owner:State Highway Agency [01]
Year built:1961
Year reconstructed:2008
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 13.5 / HS 15 [3]
Main span material:Prestressed concrete [5]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:236 [as of 2017]
Truck traffic:6% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 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:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:86.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2018FairGoodSatisfactoryGood23686.0
November 2016GoodGoodGoodGood30082.5
November 2014GoodGoodGoodGood24087.0
November 2012GoodGoodGoodGood24087.0
November 2010GoodGoodGoodGood24087.0
January 2009GoodGoodGoodGood24087.0
February 2007GoodGoodGoodGood29081.5
March 2005GoodGoodGoodGood27081.5
February 2003GoodGoodGoodGood24086.0
June 2001GoodGoodGoodGood24086.0
June 1999GoodGoodGoodGood27081.5
January 1997GoodGoodGoodGood19284.0
March 1995GoodGoodVery GoodGood19284.4
February 1993GoodGoodVery GoodGood21984.4
January 1991GoodGoodVery GoodGood20084.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.390386040
Reinforced Concrete Decksq. ft.1,6901,690000
Wearing Surfacessq. ft.1,690845169169507
Reinforced Concrete Abutmentlinear ft.105103020
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.131128300