+48.79489, -104.29214
48°47'42" N, 104°17'32" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S 5 over DAHL CREEK
Structure number:P00030011+03181
Location:12M SW WESTBY
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:19.0 ft. [5.8 m]
Total length:59.1 ft. [18.0 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:1939
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:3
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: December 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:333 [as of 2017]
Truck traffic:18% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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: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:59.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2018FairSatisfactoryFairSatisfactory33359.1
December 2016FairSatisfactoryFairSatisfactory34059.0
December 2014FairSatisfactoryFairSatisfactory46056.1
January 2013FairSatisfactoryFairSatisfactory46056.1
December 2010FairSatisfactoryFairSatisfactory46057.1
December 2008FairGoodFairSatisfactory54056.0
October 2006FairGoodSatisfactorySatisfactory57067.9
February 2005FairGoodSatisfactorySatisfactory60055.8
December 2002FairGoodSatisfactorySatisfactory52057.0
November 2000FairGoodSatisfactorySatisfactory60055.8
March 1999FairGoodSatisfactorySatisfactory50057.2
November 1996FairGoodSatisfactorySatisfactory26359.7
February 1995FairGoodSatisfactorySatisfactory26359.5
March 1993FairGoodSatisfactorySatisfactory29160.7
January 1991FairGoodSatisfactorySatisfactory24968.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Timber Girder/Beamlinear ft.768592161150
Timber Abutmentlinear ft.8276060
Timber Pileeach2071030
Timber Pier Caplinear ft.138875100
Timber Decksq. ft.1,5281,4527600
Wearing Surfacessq. ft.1,5281,42110700
Bridge Rail
Timber Bridge Raillinear ft.118981370