County Road 6 over Kirby Creek


+43.72554, -107.94951
43°43'32" N, 107°56'58" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:County Road 6 over Kirby Creek
Structure number:DAD
Location:18 Mi. N.E. Thermopolis
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:54.1 ft. [16.5 m]
Total length:141.1 ft. [43.0 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:30.8 ft. [9.4 m]
Skew angle:25°
Owner:County Highway Agency [02]
Year built:1973
Historic significance:Historical significance is not determinable at this time [4]
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:Concrete Cast-in-Place [1]

Latest Available Inspection: February 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:46 [as of 2013]
Truck traffic:14% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:92.7
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$47,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2017FairSatisfactorySatisfactoryGood4692.7
February 2015FairSatisfactoryGoodGood269068.5
March 2013FairSatisfactorySatisfactoryGood269068.5
February 2011FairSatisfactorySatisfactoryGood269068.5
February 2009FairSatisfactorySatisfactoryGood267068.5
February 2007FairSatisfactorySatisfactoryGood12092.1
March 2005FairSatisfactorySatisfactoryGood12092.1
February 2003FairSatisfactorySatisfactoryGood12092.1
February 2001FairSatisfactoryVery GoodGood12092.1
March 1999FairSatisfactoryVery GoodGood12092.1
July 1997FairSatisfactoryVery GoodGood12092.1
March 1995FairSatisfactoryExcellentGood12092.1
April 1993GoodVery GoodGoodGood12092.1
September 1991GoodGoodVery GoodGood12092.1