INTERSTATE 15
INTERSTATE 15 in 08-Sbd-015-2.15-Ont, San Bernardino County, California received a condition grade of B (78/100). Built in 1978, the bridge carries 198K vehicles daily on INTERSTATE 15 over Up RR & Amtrak.
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
INTERSTATE 15 is a 48-year-old bridge located 08-Sbd-015-2.15-Ont in San Bernardino County, California. The bridge carries INTERSTATE 15 over Up RR & Amtrak with 9 traffic lanes, handling approximately 198K vehicles per day. Built in 1978 and reconstructed in 2011, the structure spans 49.4 meters.
The bridge received a Condition Grade of B (78/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
INTERSTATE 15 has a Condition Score of 78/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
INTERSTATE 15 was built in 1978 and reconstructed in 2011, making it 48 years old. The average bridge age in the United States is 48 years.
INTERSTATE 15 carries approximately 198K vehicles per day (average daily traffic). The bridge has 9 traffic lanes. It is 49.4 meters long and located on INTERSTATE 15 in 08-Sbd-015-2.15-Ont, San Bernardino County, California.
No, INTERSTATE 15 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
INTERSTATE 15 is located 08-Sbd-015-2.15-Ont in San Bernardino County, California. The bridge carries INTERSTATE 15 over Up RR & Amtrak. Its coordinates are 34.063853, -117.544997. It is maintained by State Highway Agency.
INTERSTATE 15 carries INTERSTATE 15 over Up RR & Amtrak. The bridge is 49.4 meters long and was built in 1978, with reconstruction in 2011.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.