US 20 over BN RR


+43.59445, -108.21461
43°35'40" N, 108°12'53" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 20 over BN RR
Structure number:CCB
Location:Shoshoni - Thermopolis
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:67.9 ft. [20.7 m]
Total length:213.6 ft. [65.1 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:35.1 ft. [10.7 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1959
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 [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,660 [as of 2017]
Truck traffic:13% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:72.1
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$30,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018FairSatisfactoryGoodSatisfactory266072.1
May 2016FairFairFairSatisfactory266060.1
April 2014FairFairFairSatisfactory143463.2
May 2012PoorPoorFairSatisfactory263956.6
June 2010FairFairSatisfactoryGood267971.1
June 2008FairFairSatisfactoryGood265071.1
June 2006FairFairSatisfactoryGood260071.1
June 2004FairSatisfactorySatisfactoryGood269072.1
April 2002FairSatisfactoryGoodGood270072.2
May 2000FairSatisfactoryVery GoodGood250072.2
May 1998FairSatisfactoryExcellentGood225072.2
May 1996FairSatisfactoryExcellentGood205072.2
June 1994GoodVery GoodVery GoodVery Good205067.3
February 1992GoodGoodGoodGood195068.3
November 1989GoodGoodGoodGood195069.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.888888000
Steel Protective Coatingsq. ft.8,6538,653000
Reinforced Concrete Decksq. ft.7,5117,01149550
Wearing Surfacessq. ft.6,8486,848000
Reinforced Concrete Columneach60600
Reinforced Concrete Abutmentlinear ft.134934100
Reinforced Concrete Pier Caplinear ft.8808350
Strip Seal Jointlinear ft.9609600
Movable Bearingeach1210200
Steel Protective Coatingsq. ft.4848000
Fixed Bearingeach128400
Steel Protective Coatingsq. ft.4848000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.430430000
Steel Protective Coatingsq. ft.1,3761,376000