+46.88419, -104.20023
46°53'03" N, 104°12'01" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S 7 over DRAINAGE
Structure number:P00027072+05891
Location:7M 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:76.1 ft. [23.2 m]
Roadway width between curbs:23.0 ft. [7.0 m]
Deck width edge-to-edge:24.0 ft. [7.3 m]
Owner:State Highway Agency [01]
Year built:1936
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:4
Main spans material:Wood or timber [7]
Main spans 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:828 [as of 2016]
Truck traffic:12% of total traffic
Deck condition:Satisfactory [6 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:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:64.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairSatisfactorySatisfactorySatisfactory82864.5
August 2015FairGoodSatisfactorySatisfactory76065.3
August 2013FairGoodSatisfactorySatisfactory76065.3
October 2011FairGoodSatisfactorySatisfactory76065.3
October 2009FairGoodSatisfactorySatisfactory75065.4
October 2007GoodGoodGoodGood95062.9
September 2005GoodVery GoodGoodGood74060.0
December 2003GoodVery GoodGoodGood67060.9
November 2001GoodVery GoodGoodGood67060.9
October 1999GoodVery GoodGoodGood69061.6
November 1997GoodVery GoodGoodGood74061.0
December 1995FairVery GoodSatisfactoryGood57260.2
January 1994GoodVery GoodGoodGood49058.2
August 1992GoodVery GoodGoodGood47051.9
January 1991GoodVery GoodVery GoodVery Good45254.3

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Timber Girder/Beamlinear ft.9888899900
Timber Columneach2525000
Timber Abutmentlinear ft.6666000
Timber Pier Caplinear ft.1211091200
Timber Decksq. ft.1,8301,830000
Wearing Surfacessq. ft.1,8301,64692920
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.151151000
Steel Protective Coatingsq. ft.378378000