INTERSTATE 15 NB
INTERSTATE 15 NB in 11-Sd-015-M17.31-Sd, San Diego County, California received a condition grade of A (82/100). Built in 1978, the bridge carries 128K vehicles daily on INTERSTATE 15 NB over Mercy Road.
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 NB is a 48-year-old bridge located 11-Sd-015-M17.31-Sd in San Diego County, California. The bridge carries INTERSTATE 15 NB over Mercy Road with 5 traffic lanes, handling approximately 128K vehicles per day. Built in 1978 and reconstructed in 1993, the structure spans 40.2 meters.
The bridge received a Condition Grade of A (82/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 8/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
INTERSTATE 15 NB has a Condition Score of 82/100 (Grade A). Its deck is rated 7/9, superstructure 7/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.
INTERSTATE 15 NB was built in 1978 and reconstructed in 1993, making it 48 years old. The average bridge age in the United States is 48 years.
INTERSTATE 15 NB carries approximately 128K vehicles per day (average daily traffic). The bridge has 5 traffic lanes. It is 40.2 meters long and located on INTERSTATE 15 NB in 11-Sd-015-M17.31-Sd, San Diego County, California.
No, INTERSTATE 15 NB 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 NB is located 11-Sd-015-M17.31-Sd in San Diego County, California. The bridge carries INTERSTATE 15 NB over Mercy Road. Its coordinates are 32.936453, -117.111042. It is maintained by State Highway Agency.
INTERSTATE 15 NB carries INTERSTATE 15 NB over Mercy Road. The bridge is 40.2 meters long and was built in 1978, with reconstruction in 1993.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.