+46.18151, -111.44560
46°10'53" N, 111°26'44" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 287 over SIX MILE CREEK
Structure number:P00008087+02291
Location:1M N TOSTON
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:22.0 ft. [6.7 m]
Total length:23.0 ft. [7.0 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:39.0 ft. [11.9 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1931
Year reconstructed:1939
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Main span material:Concrete [1]
Main span design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: December 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,196 [as of 2016]
Truck traffic:9% 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: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 the assessed or calculated scour condition. [8]
Sufficiency rating:71.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2017FairSatisfactorySatisfactorySatisfactory419671.6
January 2016FairSatisfactoryGoodGood357071.6
January 2014GoodGoodGoodGood357071.6
January 2012GoodGoodGoodGood357071.6
February 2010FairFairGoodGood405068.6
February 2008FairGoodFairGood481059.6
March 2006FairGoodSatisfactoryGood380070.6
March 2004FairGoodSatisfactoryVery Good363069.6
August 2001GoodGoodVery GoodVery Good363070.6
July 1994GoodGoodVery GoodVery Good324070.6
June 1992GoodGoodVery GoodVery Good239664.6
May 1990GoodGoodGoodGood256661.6

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Reinforced Concrete Abutmentlinear ft.108762750
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4642400
Wearing Surfacessq. ft.893893000