I 580 SB
I 580 SB in Reno, Washoe County, Nevada received a condition grade of A (89/100). Built in 2022, the bridge carries 170K vehicles daily on I 580 SB over 2nd ST/Glendale AVE.
I 580 SB carries an A on the BridgeSafety Condition Score with 89/100. 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 2022 and is 4 years old — relatively young against the U.S. bridge stock. Modern bridges built to current FHWA standards generally outperform older structures on condition ratings. I 580 SB carries an average daily traffic count of 170,000 vehicles, with 5 lane(s) crossing 2nd ST/Glendale AVE. 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 580 SB is a 4-year-old bridge located Reno in Washoe County, Nevada. The bridge carries I 580 SB over 2nd ST/Glendale AVE with 5 traffic lanes, handling approximately 170K vehicles per day. Built in 2022, the structure spans 50.3 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 580 SB 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 580 SB was built in 2022, making it 4 years old. The average bridge age in the United States is 48 years.
I 580 SB carries approximately 170K vehicles per day (average daily traffic). The bridge has 5 traffic lanes. It is 50.3 meters long and located on I 580 SB in Reno, Washoe County, Nevada.
No, I 580 SB 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 580 SB is located Reno in Washoe County, Nevada. The bridge carries I 580 SB over 2nd ST/Glendale AVE. Its coordinates are 39.527467, -119.783875. It is maintained by State Highway Agency.
I 580 SB carries I 580 SB over 2nd ST/Glendale AVE. The bridge is 50.3 meters long and was built in 2022.
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.