I-15 (SR-15) NBL
I-15 (SR-15) NBL in 500 W. .Intchg. Bountiful, Davis County, Utah received a condition grade of C (48/100). Built in 1960, the bridge carries 133K vehicles daily on I-15 (SR-15) NBL over Ramp I-15sb To US-89sb.
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 66-year-old bridge located 500 W. .Intchg. Bountiful in Davis County, Utah. The bridge carries I-15 (SR-15) NBL over Ramp I-15sb To US-89sb with 4 traffic lanes, handling approximately 133K vehicles per day. Built in 1960 and reconstructed in 2000, the structure spans 70.7 meters.
The bridge received a Condition Grade of C (48/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 5/9 (fair), and substructure 5/9 (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 48/100 (Grade C). Its deck is rated 5/9, superstructure 5/9, and substructure 5/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-15 (SR-15) NBL was built in 1960 and reconstructed in 2000, making it 66 years old. The average bridge age in the United States is 48 years.
I-15 (SR-15) NBL carries approximately 133K vehicles per day (average daily traffic). The bridge has 4 traffic lanes. It is 70.7 meters long and located on I-15 (SR-15) NBL in 500 W. .Intchg. Bountiful, Davis 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 500 W. .Intchg. Bountiful in Davis County, Utah. The bridge carries I-15 (SR-15) NBL over Ramp I-15sb To US-89sb. Its coordinates are 40.900133, -111.892475. It is maintained by State Highway Agency.
I-15 (SR-15) NBL carries I-15 (SR-15) NBL over Ramp I-15sb To US-89sb. The bridge is 70.7 meters long and was built in 1960, with reconstruction in 2000.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.