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S 43 over BIG HOLE RIVER

Map

Coordinates:
+45.75751, -112.78141
45°45'27" N, 112°46'53" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S 43 over BIG HOLE RIVER
Structure number:P00046075+00661
Location:3M W DIVIDE
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:100.1 ft. [30.5 m]
Total length:303.8 ft. [92.6 m]
Roadway width between curbs:34.1 ft. [10.4 m]
Deck width edge-to-edge:36.4 ft. [11.1 m]
Skew angle:15°
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 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: March 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:820 [as of 2015]
Truck traffic:3% of total traffic
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:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
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 assessed or calculated scour condition. [5]
Sufficiency rating:86.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017FairSatisfactoryGoodGood82086.4
March 2013FairSatisfactoryGoodGood90086.6
March 2009FairSatisfactoryGoodGood86086.0
February 2005GoodGoodVery GoodGood94086.2
June 2001GoodGoodVery GoodGood52090.1
January 1997GoodGoodVery GoodGood62089.2
December 1992GoodGoodGoodVery Good45089.7
November 1990GoodGoodVery GoodVery Good44089.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.1,8241,824000
Deck
Reinforced Concrete Decksq. ft.11,0339,4001,0815520
Substructure
Reinforced Concrete Columneach43100
Reinforced Concrete Abutmentlinear ft.9898000
Reinforced Concrete Pier Caplinear ft.6969000
Joints
Open Jointlinear ft.69125700
Bearings
Movable Bearingeach2402400
Steel Protective Coatingsq. ft.2450712
Fixed Bearingeach1201200
Steel Protective Coatingsq. ft.1211001
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.60748612100