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W MAIN ST over BITTERROOT RIVER

Map

Coordinates:
+46.24686, -114.17748
46°14'49" N, 114°10'39" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:W MAIN ST over BITTERROOT RIVER
Structure number:S00531005+04001
Location:W HAMILTON
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:102.0 ft. [31.1 m]
Total length:304.5 ft. [92.8 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:46.3 ft. [14.1 m]
Owner:State Highway Agency [01]
Year built:1968
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 13.5 / HS 15 [3]
Number of main spans:4
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: April 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,169 [as of 2017]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 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:Equal to present desirable criteria [8]
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:87.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018FairSatisfactoryGoodSatisfactory316987.4
April 2016FairSatisfactoryGoodGood396086.8
April 2014FairSatisfactoryGoodGood405087.7
April 2012FairSatisfactoryGoodGood405087.7
April 2010FairSatisfactoryGoodGood405087.7
April 2008FairSatisfactoryGoodGood398088.8
March 2006GoodGoodGoodGood379089.9
November 2005GoodGoodGoodGood419089.6
December 2003GoodGoodGoodGood428089.6
November 2001GoodGoodGoodGood428089.6
November 1999GoodGoodGoodGood396089.8
July 1997GoodGoodGoodGood434089.5
December 1993GoodGoodGoodGood317490.1
September 1991GoodGoodVery GoodVery Good180291.2

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.2,0011,994700
Deck
Reinforced Concrete Decksq. ft.14,0909,9142,9531,2230
Substructure
Reinforced Concrete Columneach98100
Reinforced Concrete Pier Walllinear ft.4341200
Reinforced Concrete Abutmentlinear ft.108108000
Reinforced Concrete Pier Caplinear ft.128125300
Joints
Pourable Jointlinear ft.79003940
Assembly without Seal Jointlinear ft.3903900
Bearings
Movable Bearingeach1401400
Steel Protective Coatingsq. ft.1401004
Fixed Bearingeach2602600
Steel Protective Coatingsq. ft.2602303
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.610061000
Steel Protective Coatingsq. ft.1,98300992991