IH 20 BUS over IH 20


+31.57215, -102.95595
31°34'20" N, 102°57'21" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IH 20 BUS over IH 20
Structure number:062380000404030
Location:2.75 MI W of LP 464
Purpose:Carries highway over highway
Route classification:Local (Rural) [09]
Length of largest span:68.9 ft. [21.0 m]
Total length:232.0 ft. [70.7 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:33.1 ft. [10.1 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1964
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 18 / H 20 [4]
Number of main spans:4
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:360 [as of 2015]
Deck condition:Good [7 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]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:87.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairGoodSatisfactorySatisfactory36087.9
August 2015FairGoodSatisfactorySatisfactory36090.9
August 2013FairGoodSatisfactoryGood36090.9
September 2011FairGoodSatisfactoryGood36090.9
August 2009FairGoodSatisfactoryGood36090.9
August 2007FairGoodGoodFair45079.8
January 2006FairGoodSatisfactoryFair45079.8
January 2004FairVery GoodGoodFair45070.6
February 2002FairVery GoodGoodSatisfactory5083.9
March 2000FairVery GoodGoodSatisfactory5083.9
June 1998FairVery GoodGoodSatisfactory5087.9
November 1996GoodVery GoodGoodGood5087.9
November 1994GoodVery GoodVery GoodGood5088.9
October 1992GoodVery GoodVery GoodGood5093.1
July 1990GoodVery GoodVery GoodGood5093.1

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.920920000
Reinforced Concrete Decksq. ft.7,5907,5741600
Reinforced Concrete Columneach63120
Reinforced Concrete Abutmentlinear ft.76611500
Reinforced Concrete Pier Caplinear ft.105703500
Elastomeric Bearingeach3232000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.460460000