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

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]
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201580.4FairSatisfactoryGoodGood-127000
December 201380.1GoodGoodGoodGood-130000
December 201180.0GoodGoodGoodGood-130000
December 200980.0FairSatisfactoryGoodGood-130000
December 200780.0FairSatisfactoryGoodGood-130000
October 200580.0FairSatisfactoryGoodGood-114935
February 200480.0FairSatisfactoryGoodGood-114935
January 200380.0FairSatisfactoryGoodGood-114935
December 200153.0PoorSatisfactoryGoodPoorSD114935
January 200080.0FairSatisfactoryGoodGood-114935
February 199880.0FairSatisfactoryGoodGood-99260
December 199583.4FairSatisfactoryGoodGood-60000
November 199383.4GoodVery GoodVery GoodVery Good-60000
November 199183.4GoodGoodVery GoodVery Good-60000

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Prestressed Concrete Closed Web/Box Girderlinear ft.308304310
Reinforced Concrete Decksq. ft.22,36208,94513,4170
Reinforced Concrete Abutmentlinear ft.296290600
Reinforced Concrete Pile Cap/Footinglinear ft.22000
Reinforced Concrete Pileeach112112000
Compression Jointlinear ft.2962620340
Open Jointlinear ft.154015400
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.154154000
Reinforced Concrete Bridge Raillinear ft.462462000