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TWIN BRIDGES RD over ANTELOPE CREEK 055

Map

Coordinates:
+48.69342, -104.42750
48°41'36" N, 104°25'39" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:TWIN BRIDGES RD over ANTELOPE CREEK 055
Structure number:L46208001+02001
Location:1M E ANTELOPE
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:52.8 ft. [16.1 m]
Total length:52.8 ft. [16.1 m]
Roadway width between curbs:19.4 ft. [5.9 m]
Deck width edge-to-edge:20.0 ft. [6.1 m]
Owner:County Highway Agency [02]
Year built:2008
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Steel plate (includes orthotropic) [5]
Wearing surface:Low slump Concrete [4]

Latest Available Inspection: December 2017

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:100 [as of 2002]
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Better than present minimum criteria [7]
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:40.9
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$129,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2017FairGoodSatisfactoryGood10040.9
December 2015FairGoodSatisfactoryGood10040.9
December 2013FairGoodSatisfactoryGood10040.9
January 2012FairGoodSatisfactoryGood10040.9
January 2010FairGoodSatisfactoryGood10045.9
December 2007PoorSatisfactoryPoorPoor10036.8
July 2006PoorSatisfactoryPoorPoor10036.8
December 2004PoorSatisfactoryPoorPoor10036.8
March 2002PoorSatisfactoryPoorPoor10036.8
December 1999PoorGoodPoorPoor10036.8
February 1998PoorGoodPoorPoor10036.8
January 1996PoorGoodPoorPoor10036.8
November 1993PoorGoodPoorPoor3136.9
February 1992PoorGoodPoorPoor3135.9
February 1990PoorGoodPoorPoor3135.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Deck
Reinforced Concrete Decksq. ft.1,0551,055000
Substructure
Reinforced Concrete Abutmentlinear ft.4949000
Bearings
Fixed Bearingeach44000
Steel Protective Coatingsq. ft.44000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.105733200
Steel Protective Coatingsq. ft.26315892130