+46.81730, -104.22413
46°49'02" N, 104°13'27" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S 7 over DRAINAGE
Structure number:P00027067+02001
Location:12M S WIBAUX
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:19.0 ft. [5.8 m]
Total length:21.0 ft. [6.4 m]
Roadway width between curbs:27.2 ft. [8.3 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Owner:State Highway Agency [01]
Year built:1941
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Wood or timber [7]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:759 [as of 2016]
Truck traffic:17% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 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:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
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:74.7

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairGoodSatisfactorySatisfactory75974.7
August 2015GoodGoodGoodGood69083.3
August 2013GoodGoodGoodGood69083.4
October 2011GoodGoodGoodGood69083.4
October 2009GoodGoodGoodGood64085.5
October 2007GoodGoodVery GoodVery Good86070.8
September 2005GoodVery GoodVery GoodVery Good65074.0
December 2003GoodVery GoodVery GoodVery Good50075.6
November 2001GoodVery GoodVery GoodVery Good50075.6
October 1999GoodVery GoodVery GoodVery Good39076.9
November 1997GoodVery GoodVery GoodVery Good48075.9
December 1995GoodVery GoodVery GoodVery Good38974.9
January 1994GoodVery GoodVery GoodVery Good32974.1
August 1992GoodVery GoodVery GoodVery Good32368.0
January 1991GoodGoodVery GoodVery Good39067.4

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Timber Girder/Beamlinear ft.28524229140
Timber Columneach126600
Timber Abutmentlinear ft.8985400
Timber Pier Caplinear ft.5653030
Timber Decksq. ft.592592000
Wearing Surfacessq. ft.5925623000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.4343000
Steel Protective Coatingsq. ft.108108000