I 15
I 15 in Las Vegas, Clark County, Nevada received a condition grade of A (89/100). Built in 2010, the bridge carries 189K vehicles daily on I 15 over SR 579 Bonanza Road.
Component Ratings
The riding surface — evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
I 15 is a 16-year-old bridge located Las Vegas in Clark County, Nevada. The bridge carries I 15 over SR 579 Bonanza Road with 8 traffic lanes, handling approximately 189K vehicles per day. Built in 2010, the structure spans 55.3 meters.
The bridge received a Condition Grade of A (89/100) based on Federal Highway Administration inspection data. Its deck is rated 8/9 (good), superstructure 8/9 (good), and substructure 8/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I 15 has a Condition Score of 89/100 (Grade A). Its deck is rated 8/9, superstructure 8/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.
I 15 was built in 2010, making it 16 years old. The average bridge age in the United States is 48 years.
I 15 carries approximately 189K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 55.3 meters long and located on I 15 in Las Vegas, Clark County, Nevada.
No, I 15 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I 15 is located Las Vegas in Clark County, Nevada. The bridge carries I 15 over SR 579 Bonanza Road. Its coordinates are 36.177175, -115.151231. It is maintained by State Highway Agency.
I 15 carries I 15 over SR 579 Bonanza Road. The bridge is 55.3 meters long and was built in 2010.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.