+46.41319, -110.54369
46°24'47" N, 110°32'37" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NF-581 over S FORK MUSSELSHELL 026
Structure number:L30086000+01001
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:60.0 ft. [18.3 m]
Total length:62.0 ft. [18.9 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:25.9 ft. [7.9 m]
Owner:County Highway Agency [02]
Year built:1987
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Tee beam [04]
Deck type:Not applicable [N]

Latest Available Inspection: April 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:100 [as of 2002]
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:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
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 the assessed or calculated scour condition. [8]
Sufficiency rating:97.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2016FairGoodSatisfactoryGood10097.8
April 2014GoodGoodGoodGood10097.8
April 2012GoodGoodGoodGood10097.8
April 2010GoodGoodGoodGood10097.8
May 2008GoodVery GoodVery GoodVery Good10098.8
April 2006GoodVery GoodVery GoodVery Good10098.8
March 2002GoodVery GoodVery GoodVery Good10098.8
October 1997GoodVery GoodVery GoodVery Good10098.8
October 1993GoodVery GoodVery GoodVery Good3198.1
January 1992GoodVery GoodVery GoodVery Good3198.1
October 1989GoodVery GoodVery GoodVery Good3198.1