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S 80 over BOYLE-O`HANLON COULEES

Map

Coordinates:
+47.78676, -110.55303
47°47'12" N, 110°33'11" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S 80 over BOYLE-O`HANLON COULEES
Structure number:P00080008+07611
Location:6M SE FORT BENTON
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:24.0 ft. [7.3 m]
Total length:75.1 ft. [22.9 m]
Roadway width between curbs:24.3 ft. [7.4 m]
Deck width edge-to-edge:26.2 ft. [8.0 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: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: November 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:619 [as of 2016]
Truck traffic:24% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 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:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:60.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2017FairSatisfactoryGoodSatisfactory61960.3
November 2015FairSatisfactoryGoodSatisfactory59060.7
December 2013FairSatisfactoryGoodSatisfactory59060.7
December 2011FairSatisfactoryGoodSatisfactory59060.7
November 2009FairSatisfactoryGoodSatisfactory57061.0
December 2007FairSatisfactoryGoodGood61060.5
December 2005FairSatisfactoryGoodGood64064.5
February 2004FairSatisfactoryGoodGood60065.0
January 2002FairSatisfactoryGoodGood60065.0
February 2000FairSatisfactoryGoodGood68066.0
June 1998GoodGoodGoodGood59068.2
April 1996GoodGoodGoodGood33272.4
February 1994GoodGoodGoodGood48967.4
January 1992GoodGoodGoodGood52261.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Timber Girder/Beamlinear ft.9788908440
Substructure
Timber Columneach158700
Timber Abutmentlinear ft.10293900
Timber Pier Caplinear ft.1281089110
Deck
Timber Decksq. ft.1,9701,9205000
Wearing Surfacessq. ft.1,9701,79817200
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1511281670
Steel Protective Coatingsq. ft.3603243600