I 15 over ALTA AVE


+36.16611, -115.15944
36°09'58" N, 115°09'34" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I 15 over ALTA AVE
Structure number:H 935
Location:LAS VEGAS
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:77.1 ft. [23.5 m]
Total length:154.2 ft. [47.0 m]
Roadway width between curbs:163.1 ft. [49.7 m]
Deck width edge-to-edge:167.0 ft. [50.9 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Skew angle:12°
Owner:State Highway Agency [01]
Year built:1970
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans 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: January 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:267,000 [as of 2014]
Truck traffic:6% of total traffic
Deck condition:Satisfactory [6 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:Superior to present desirable criteria [9]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:73.3 tons [66.6 metric tons]
Inventory rating:44.6 tons [40.5 metric tons]
Sufficiency rating:82.2

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201682.2FairSatisfactorySatisfactorySatisfactory-267000
January 201483.1FairSatisfactorySatisfactorySatisfactory-248000
January 201282.0FairSatisfactorySatisfactorySatisfactory-248000
November 201082.0FairSatisfactorySatisfactorySatisfactory-248000
November 200882.0FairSatisfactorySatisfactoryGood-248000
January 200786.2FairSatisfactorySatisfactoryGood-91560
February 200581.0FairSatisfactorySatisfactoryGoodFO230000
January 200382.6FairSatisfactorySatisfactoryGoodFO105622
November 200082.6FairSatisfactorySatisfactoryGoodFO105622
January 199982.0FairSatisfactorySatisfactoryGoodFO91560
January 199787.0FairSatisfactoryGoodGood-85300