I 515 US 95 US 93
I 515 US 95 US 93 in Las Vegas, Clark County, Nevada received a condition grade of B (74/100). Built in 1981, the bridge carries 147K vehicles daily on I 515 US 95 US 93 over Twain Avenue.
I 515 US 95 US 93 carries a B on the BridgeSafety Condition Score with 74/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.
The bridge was built in 1981, making it 45 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 515 US 95 US 93 carries an average daily traffic count of 147,000 vehicles, with 8 lane(s) crossing Twain Avenue. 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 515 US 95 US 93 is a 45-year-old bridge located Las Vegas in Clark County, Nevada. The bridge carries I 515 US 95 US 93 over Twain Avenue with 8 traffic lanes, handling approximately 147K vehicles per day. Built in 1981, the structure spans 46.9 meters.
The bridge received a Condition Grade of B (74/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I 515 US 95 US 93 has a Condition Score of 74/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
I 515 US 95 US 93 was built in 1981, making it 45 years old. The average bridge age in the United States is 48 years.
I 515 US 95 US 93 carries approximately 147K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 46.9 meters long and located on I 515 US 95 US 93 in Las Vegas, Clark County, Nevada.
No, I 515 US 95 US 93 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 515 US 95 US 93 is located Las Vegas in Clark County, Nevada. The bridge carries I 515 US 95 US 93 over Twain Avenue. Its coordinates are 36.122303, -115.083656. It is maintained by State Highway Agency.
I 515 US 95 US 93 carries I 515 US 95 US 93 over Twain Avenue. The bridge is 46.9 meters long and was built in 1981.
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.