I 15N
I 15N in Las Vegas, Clark County, Nevada received a condition grade of A (81/100). Built in 1993, the bridge carries 122K vehicles daily on I 15N over Industrial RD.
I 15N carries an A on the BridgeSafety Condition Score with 81/100. Deck, superstructure, and substructure ratings all sit in the better tier of the FHWA NBI distribution. The bridge is structurally sound by federal standards.
The bridge was built in 1993, making it 33 years old — past the early-life period but still well within typical service life. Routine inspections and modest repair work are normal for bridges in this age band. I 15N carries an average daily traffic count of 121,500 vehicles, with 6 lane(s) crossing Industrial RD. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
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 15N is a 33-year-old bridge located Las Vegas in Clark County, Nevada. The bridge carries I 15N over Industrial RD with 6 traffic lanes, handling approximately 122K vehicles per day. Built in 1993, the structure spans 63.4 meters.
The bridge received a Condition Grade of A (81/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 8/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I 15N has a Condition Score of 81/100 (Grade A). Its deck is rated 7/9, superstructure 8/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
I 15N was built in 1993, making it 33 years old. The average bridge age in the United States is 48 years.
I 15N carries approximately 122K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 63.4 meters long and located on I 15N in Las Vegas, Clark County, Nevada.
No, I 15N 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 15N is located Las Vegas in Clark County, Nevada. The bridge carries I 15N over Industrial RD. Its coordinates are 36.120403, -115.180436. It is maintained by State Highway Agency.
I 15N carries I 15N over Industrial RD. The bridge is 63.4 meters long and was built in 1993.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.