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N YELLOWSTONE TRL over YELLOWSTONE RIVER 010

Map

Coordinates:
+45.78977, -110.06625
45°47'23" N, 110°03'58" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:N YELLOWSTONE TRL over YELLOWSTONE RIVER 010
Structure number:L49028000+08001
Location:6M SW BIG TIMBER
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:143.1 ft. [43.6 m]
Total length:426.5 ft. [130.0 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:25.9 ft. [7.9 m]
Owner:County Highway Agency [02]
Year built:2000
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:100 [as of 2003]
Deck condition:Good [7 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:Equal to present minimum criteria [6]
Water adequacy appraisal:Superior to present desirable criteria [9]
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 the assessed or calculated scour condition. [8]
Sufficiency rating:98.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairGoodSatisfactorySatisfactory10098.8
August 2015GoodGoodGoodGood10098.8
August 2013GoodGoodGoodGood10098.8
August 2011GoodGoodGoodGood10099.8
July 2009GoodGoodGoodGood10099.8
July 2007GoodVery GoodVery GoodGood10099.8
July 2005GoodVery GoodVery GoodVery Good10099.8
March 2005GoodVery GoodVery GoodVery Good6099.9
March 2003GoodExcellentExcellentExcellent6099.9
January 2001GoodExcellentExcellentExcellent6099.9
January 1999FairSatisfactoryFairFair10016.3
March 1997FairSatisfactoryFairFair10016.3
June 1995FairFairFairFair3117.7
December 1992FairFairFairFair3117.7
February 1991PoorPoorFairFair3114.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.1,7061,65534170
Deck
Reinforced Concrete Decksq. ft.11,05511,055000
Substructure
Reinforced Concrete Abutmentlinear ft.8579600
Steel Pileeach22000
Steel Protective Coatingsq. ft.5034287500
Reinforced Concrete Pier Caplinear ft.4640600
Joints
Strip Seal Jointlinear ft.5205200
Bearings
Movable Bearingeach80800
Steel Protective Coatingsq. ft.82204
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.85342642700
Steel Protective Coatingsq. ft.2,1332,0904300