County Road 12W over Hell Creek


+40.73421, -106.42352
40°44'03" N, 106°25'25" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:County Road 12W over Hell Creek
Structure number:057012W08.2007A
Location:8.2 Mi W of St Hwy 14
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:32.2 ft. [9.8 m]
Total length:40.7 ft. [12.4 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:30.2 ft. [9.2 m]
Owner:County Highway Agency [02]
Year built:1986
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:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Corrugated Steel [6]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:121 [as of 2016]
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 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:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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:95.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2018FairFairSatisfactorySatisfactory12195.9
November 2016FairFairSatisfactorySatisfactory12195.9
November 2014FairSatisfactorySatisfactorySatisfactory12196.9
November 2012FairSatisfactorySatisfactorySatisfactory12196.9
November 2010FairSatisfactorySatisfactorySatisfactory10697.0
October 2008FairSatisfactorySatisfactorySatisfactory10697.0
October 2006FairSatisfactorySatisfactoryGood12996.9
September 2004FairSatisfactoryGoodGood12997.9
October 2002GoodGoodGoodGood12996.9
August 2000GoodGoodGoodGood10796.9
September 1999GoodGoodGoodGood10796.9
September 1998GoodGoodGoodGood10796.9
August 1996FairGoodSatisfactorySatisfactory9997.0
September 1994GoodVery GoodVery GoodGood9993.8
August 1992GoodVery GoodVery GoodGood9992.8
May 1990GoodVery GoodGoodVery Good11496.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.286028600
Steel Protective Coatingsq. ft.286000286
Steel Columneach1001000
Steel Abutmentlinear ft.6006000
Steel Pier Caplinear ft.6006000
Corrugated or Orthotropic Decksq. ft.1,22802041,0240
Wearing Surfacessq. ft.1,2281,01802100
Steel Protective Coatingsq. ft.1,2280001,228
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.82681400
Steel Protective Coatingsq. ft.8282000