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WHITTISH HILL RD over BIG MUDDY CREEK 035

Map

Coordinates:
+48.66186, -104.47131
48°39'43" N, 104°28'17" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:WHITTISH HILL RD over BIG MUDDY CREEK 035
Structure number:L46420001+01001
Location:2M S ANTELOPE
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:64.0 ft. [19.5 m]
Total length:65.9 ft. [20.1 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:25.9 ft. [7.9 m]
Owner:County Highway Agency [02]
Year built:1989
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Tee beam [04]
Deck type:Not applicable [N]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: January 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:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:84.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2018FairSatisfactoryGoodFair10084.9
January 2016FairSatisfactoryGoodFair10084.9
January 2014FairSatisfactoryGoodFair10086.9
January 2012FairSatisfactoryGoodFair10086.9
January 2010FairSatisfactoryGoodFair10086.9
December 2007GoodGoodGoodGood10097.9
December 2005GoodGoodGoodGood10097.9
December 2004GoodGoodVery GoodGood10097.9
March 2002GoodGoodVery GoodGood10097.9
December 1999GoodGoodVery GoodGood10097.9
February 1998GoodGoodVery GoodGood10098.9
January 1996GoodVery GoodVery GoodGood10096.9
November 1993GoodVery GoodVery GoodGood3197.0
February 1992GoodVery GoodVery GoodGood3197.0
January 1990FairGoodVery GoodSatisfactory3197.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.262257500
Deck
Reinforced Concrete Top Flangesq. ft.1,7111,6605100
Substructure
Reinforced Concrete Abutmentlinear ft.10286880
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.131124700
Steel Protective Coatingsq. ft.39335320200