I 15N over SR591 SPRING MTN RD


+36.12611, -115.18028
36°07'34" N, 115°10'49" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 15N over SR591 SPRING MTN RD
Structure number:I 806N
Location:LAS VEGAS
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:120.1 ft. [36.6 m]
Total length:231.0 ft. [70.4 m]
Roadway width between curbs:79.1 ft. [24.1 m]
Deck width edge-to-edge:85.0 ft. [25.9 m]
Vertical clearance below bridge:16.7 ft. [5.1 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1994
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:2
Main spans material:Prestressed concrete continuous [6]
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 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:124,500 [as of 2014]
Truck traffic:6% 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
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:59.5 tons [54.1 metric tons]
Sufficiency rating:85.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$2,572,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201785.7FairSatisfactoryGoodGoodFO124500
January 201586.0FairSatisfactoryGoodGoodFO119500
January 201389.1FairSatisfactoryGoodGoodFO99300
January 201184.2GoodGoodGoodGoodFO99300
January 200984.2GoodGoodGoodGoodFO99300
January 200786.6GoodGoodGoodGood-98250
December 200485.9GoodGoodVery GoodGood-104925
January 200383.7GoodGoodVery GoodGood-104925
December 200082.5GoodGoodVery GoodVery Good-94482
January 199984.6GoodGoodVery GoodVery Good-73330
February 199785.4GoodGoodVery GoodVery Good-65330
February 199589.1GoodVery GoodVery GoodVery GoodFO48408
March 199488.2GoodVery GoodVery GoodVery Good-48408
January 199187.2GoodGoodGoodGoodFO35700