US 20 over Unnamed Draw


+43.82896, -108.20416
43°49'44" N, 108°12'15" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 20 over Unnamed Draw
Structure number:CCI
Location:Thermopolis - Worland
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:7.9 ft. [2.4 m]
Total length:26.6 ft. [8.1 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1954
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:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,282 [as of 2016]
Truck traffic:15% of total traffic
Structural 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 is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Culvert condition:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:93.0

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
July 2017Fair6 out of 10228293.0
February 2016Fair6 out of 10228293.0
February 2014Fair6 out of 10129596.0
March 2012Fair6 out of 10211293.5
February 2010Fair6 out of 10214393.6
February 2008Fair6 out of 10212093.6
March 2006Good8 out of 10200094.0
February 2004Good8 out of 10245092.6
March 2002Good8 out of 10210093.8
January 2000Good8 out of 10255092.5
March 1998Good8 out of 10230091.2
February 1996Good8 out of 10171092.9
January 1994Fair6 out of 10169091.9
December 1991Fair6 out of 10170091.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.2972728170