US 20 over Unnamed Draw


+43.73470, -108.17620
43°44'05" N, 108°10'34" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 20 over Unnamed Draw
Structure number:CCF
Location:Thermopolis - Worland
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:9.8 ft. [3.0 m]
Total length:20.7 ft. [6.3 m]
Owner:State Highway Agency [01]
Year built:1956
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:2
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,053 [as of 2017]
Truck traffic:14% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Better than present minimum criteria [7]
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]
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:96.7

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
April 2018Fair6 out of 10105396.7
May 2016Good8 out of 10276791.6
April 2014Good8 out of 10154195.3
May 2012Good8 out of 10246692.5
June 2010Good8 out of 10304390.9
June 2008Good8 out of 10301091.0
June 2006Good8 out of 10247092.6
June 2004Good8 out of 10322090.4
May 2002Good8 out of 10260092.3
May 2000Good8 out of 10285091.6
May 1998Good8 out of 10260090.3
June 1996Good8 out of 101161084.9
July 1994Good8 out of 10201092.0
January 1992Good7 out of 10199091.1

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.174167610