+48.81711, -104.23653
48°49'02" N, 104°14'12" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S 5 over MAIN CREEK
Structure number:P00030014+03181
Location:9M 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:97.1 ft. [29.6 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:25.9 ft. [7.9 m]
Skew angle:30°
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:5
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:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 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:Equal to present desirable criteria [8]
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 2018FairGoodFairFair33359.1
December 2016FairGoodFairFair34059.0
December 2014FairGoodFairFair37058.5
January 2013FairGoodFairFair37058.5
December 2010FairGoodFairFair37059.5
December 2008FairGoodFairFair51056.4
October 2006FairGoodSatisfactoryFair47057.0
February 2005FairGoodSatisfactoryFair45046.5
December 2002FairGoodSatisfactoryFair40048.6
November 2000FairGoodSatisfactoryFair46046.4
March 1999FairGoodSatisfactoryFair35049.4
November 1996FairGoodSatisfactoryFair24354.1
February 1995FairGoodSatisfactoryFair24354.2
March 1993FairGoodSatisfactoryFair26849.0
January 1991FairVery GoodSatisfactorySatisfactory25662.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Timber Girder/Beamlinear ft.1,2601,260000
Timber Abutmentlinear ft.7970090
Timber Pileeach3032070
Timber Pier Caplinear ft.1941227200
Timber Decksq. ft.2,5192,39312600
Wearing Surfacessq. ft.2,5192,26725200
Bridge Rail
Timber Bridge Raillinear ft.1941652180