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TWIN LAKES RD over BIG HOLE RIVER 080

Map

Coordinates:
+45.52669, -113.48376
45°31'36" N, 113°29'02" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:TWIN LAKES RD over BIG HOLE RIVER 080
Structure number:L01012001+05001
Location:6M S WISDOM
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:83.7 ft. [25.5 m]
Total length:93.5 ft. [28.5 m]
Roadway width between curbs:15.4 ft. [4.7 m]
Deck width edge-to-edge:16.1 ft. [4.9 m]
Skew angle:
Owner:County Highway Agency [02]
Year built:1999
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Prestressed concrete [5]
Main span design:Tee beam [04]
Deck type:Other [9]

Latest Available Inspection: October 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:100 [as of 2002]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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:84.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2018FairSatisfactoryGoodGood10084.9
October 2016FairSatisfactoryGoodGood10084.9
October 2014FairSatisfactoryGoodGood10084.9
January 2013FairSatisfactoryGoodGood10084.9
January 2011FairSatisfactoryGoodGood10084.9
January 2009GoodGoodGoodGood10084.9
January 2007GoodGoodVery GoodVery Good10084.9
December 2004GoodGoodVery GoodVery Good10084.9
December 2002GoodVery GoodVery GoodVery Good10037.4
October 2000GoodVery GoodVery GoodVery Good10037.4
October 1998FairFairFairSatisfactory10026.1
September 1994FairSatisfactoryFairSatisfactory3128.1
June 1992FairSatisfactoryFairSatisfactory3130.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.394394000
Deck
Reinforced Concrete Top Flangesq. ft.1,5281,524220
Substructure
Reinforced Concrete Abutmentlinear ft.4646000
Bearings
Fixed Bearingeach80800
Steel Protective Coatingsq. ft.88000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.190190000
Steel Protective Coatingsq. ft.663663000