+46.79391, -104.22786
46°47'38" N, 104°13'40" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S 7 over DRAINAGE
Structure number:P00027065+06001
Location:13M 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:26.9 ft. [8.2 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:Good
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: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: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 assessed or calculated scour condition. [5]
Sufficiency rating:71.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017GoodGoodGoodGood75971.4
August 2015GoodGoodGoodGood69079.9
August 2013GoodGoodGoodGood69079.9
October 2011GoodGoodGoodGood69079.9
October 2009GoodGoodGoodGood64080.4
October 2007GoodGoodVery GoodGood86068.9
September 2005GoodVery GoodVery GoodGood65075.0
December 2003GoodVery GoodVery GoodGood50076.6
November 2001GoodVery GoodVery GoodGood50076.6
October 1999GoodVery GoodVery GoodVery Good39077.9
November 1997GoodVery GoodVery GoodVery Good48076.9
December 1995GoodVery GoodVery GoodVery Good38274.9
January 1994GoodVery GoodGoodVery Good32274.2
August 1992GoodVery GoodGoodVery Good31368.1
January 1991GoodGoodGoodVery Good38567.4

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Timber Girder/Beamlinear ft.2852652000
Timber Columneach128400
Timber Abutmentlinear ft.8585000
Timber Pier Caplinear ft.5656000
Timber Decksq. ft.592592000
Wearing Surfacessq. ft.592586600
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.3939000
Steel Protective Coatingsq. ft.9898000