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US 287 over MILLIGAN CREEK

Map

Coordinates:
+45.85651, -111.65435
45°51'23" N, 111°39'16" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 287 over MILLIGAN CREEK
Structure number:P00013089+01061
Location:6M SW THREE FORKS
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:50.9 ft. [15.5 m]
Total length:102.0 ft. [31.1 m]
Roadway width between curbs:37.4 ft. [11.4 m]
Deck width edge-to-edge:39.0 ft. [11.9 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 18 / HS 20 [5]
Number of main spans:2
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: December 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:1,580 [as of 2016]
Truck traffic:13% of total traffic
Deck condition:Good [7 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:Equal to present desirable criteria [8]
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:92.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2017GoodGoodGoodGood158092.4
January 2014GoodVery GoodVery GoodGood151093.7
June 2010GoodVery GoodVery GoodVery Good151093.7
June 2006GoodVery GoodVery GoodVery Good146093.9
June 2002GoodVery GoodVery GoodVery Good119094.9
February 1998GoodVery GoodVery GoodVery Good103095.6
March 1994GoodVery GoodVery GoodVery Good85092.3
April 1992GoodVery GoodVery GoodGood81094.5
February 1990GoodGoodVery GoodVery Good54495.5

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.509509000
Deck
Reinforced Concrete Decksq. ft.4,0043,148817390
Concrete Protective Coatingsq. ft.4,0043,18700817
Substructure
Reinforced Concrete Columneach22000
Reinforced Concrete Abutmentlinear ft.102102000
Reinforced Concrete Pier Caplinear ft.3634200
Bearings
Fixed Bearingeach1010000
Steel Protective Coatingsq. ft.1010000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.203020300
Steel Protective Coatingsq. ft.4000352408