I 515, US 95,US 93 over TWAIN AVENUE


+36.12230, -115.08366
36°07'20" N, 115°05'01" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 515, US 95,US 93 over TWAIN AVENUE
Structure number:H1451
Location:LAS VEGAS
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:151.9 ft. [46.3 m]
Total length:153.9 ft. [46.9 m]
Roadway width between curbs:140.1 ft. [42.7 m]
Deck width edge-to-edge:145.3 ft. [44.3 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:11°
Owner:State Highway Agency [01]
Year built:1981
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Prestressed concrete [5]
Main span design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: December 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:127,000 [as of 2014]
Truck traffic:7% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:80.4
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$3,066,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2017FairSatisfactoryGoodGood12700080.4
December 2015FairSatisfactoryGoodGood12700080.4
December 2013GoodGoodGoodGood13000080.1
December 2011GoodGoodGoodGood13000080.0
December 2009FairSatisfactoryGoodGood13000080.0
December 2007FairSatisfactoryGoodGood13000080.0
October 2005FairSatisfactoryGoodGood11493580.0
February 2004FairSatisfactoryGoodGood11493580.0
January 2003FairSatisfactoryGoodGood11493580.0
December 2001PoorSatisfactoryGoodPoor11493553.0
January 2000FairSatisfactoryGoodGood11493580.0
February 1998FairSatisfactoryGoodGood9926080.0
December 1995FairSatisfactoryGoodGood6000083.4
November 1993GoodVery GoodVery GoodVery Good6000083.4
November 1991GoodGoodVery GoodVery Good6000083.4

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.3082503550
Reinforced Concrete Decksq. ft.22,3622,0178,94511,4000
Reinforced Concrete Abutmentlinear ft.296290600
Reinforced Concrete Pile Cap/Footinglinear ft.296296000
Reinforced Concrete Pileeach112112000
Compression Jointlinear ft.2960279116
Open Jointlinear ft.154015400
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.154151300
Reinforced Concrete Bridge Raillinear ft.462460200