I-15 (SR-15) NBL
I-15 (SR-15) NBL in Approx. 300 W.3400 South, Salt Lake County, Utah received a condition grade of B (67/100). Built in 1999, the bridge carries 219K vehicles daily on I-15 (SR-15) NBL over Union Pacific Railroad.
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 (SR-15) NBL is a 27-year-old bridge located Approx. 300 W.3400 South in Salt Lake County, Utah. The bridge carries I-15 (SR-15) NBL over Union Pacific Railroad with 6 traffic lanes, handling approximately 219K vehicles per day. Built in 1999, the structure spans 95.6 meters.
The bridge received a Condition Grade of B (67/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 7/9 (good), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-15 (SR-15) NBL has a Condition Score of 67/100 (Grade B). Its deck is rated 5/9, superstructure 7/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-15 (SR-15) NBL was built in 1999, making it 27 years old. The average bridge age in the United States is 48 years.
I-15 (SR-15) NBL carries approximately 219K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 95.6 meters long and located on I-15 (SR-15) NBL in Approx. 300 W.3400 South, Salt Lake County, Utah.
No, I-15 (SR-15) NBL 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 (SR-15) NBL is located Approx. 300 W.3400 South in Salt Lake County, Utah. The bridge carries I-15 (SR-15) NBL over Union Pacific Railroad. Its coordinates are 40.693517, -111.902378. It is maintained by State Highway Agency.
I-15 (SR-15) NBL carries I-15 (SR-15) NBL over Union Pacific Railroad. The bridge is 95.6 meters long and was built in 1999.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.