I 515, US 95,US 93 over TWAIN AVENUE


+36.12194, -115.08361
36°07'19" 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 2015 

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]
Operating rating:99.6 tons [90.5 metric tons]
Inventory rating:75.7 tons [68.8 metric tons]
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 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201580.4Not deficientSatisfactoryGoodGood127000
December 201380.1Not deficientGoodGoodGood130000
December 201180.0Not deficientGoodGoodGood130000
December 200980.0Not deficientSatisfactoryGoodGood130000
December 200780.0Not deficientSatisfactoryGoodGood130000
October 200580.0Not deficientSatisfactoryGoodGood114935
February 200480.0Not deficientSatisfactoryGoodGood114935
January 200380.0Not deficientSatisfactoryGoodGood114935
December 200153.0Structurally deficientSatisfactoryGoodPoor114935
January 200080.0Not deficientSatisfactoryGoodGood114935
February 199880.0Not deficientSatisfactoryGoodGood99260
December 199583.4Not deficientSatisfactoryGoodGood60000
November 199383.4Not deficientVery GoodVery GoodVery Good60000
November 199183.4Not deficientGoodVery GoodVery Good60000