INTERSTATE 5
INTERSTATE 5 in 11-Sd-005-R23.49-Sd, San Diego County, California received a condition grade of C (59/100). Built in 1954, the bridge carries 160K vehicles daily on INTERSTATE 5 over Balboa AVE.
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 5 is a 72-year-old bridge located 11-Sd-005-R23.49-Sd in San Diego County, California. The bridge carries INTERSTATE 5 over Balboa AVE with 9 traffic lanes, handling approximately 160K vehicles per day. Built in 1954 and reconstructed in 1969, the structure spans 57 meters.
The bridge received a Condition Grade of C (59/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), 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 5 has a Condition Score of 59/100 (Grade C). Its deck is rated 5/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
INTERSTATE 5 was built in 1954 and reconstructed in 1969, making it 72 years old. The average bridge age in the United States is 48 years.
INTERSTATE 5 carries approximately 160K vehicles per day (average daily traffic). The bridge has 9 traffic lanes. It is 57 meters long and located on INTERSTATE 5 in 11-Sd-005-R23.49-Sd, San Diego County, California.
No, INTERSTATE 5 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 5 is located 11-Sd-005-R23.49-Sd in San Diego County, California. The bridge carries INTERSTATE 5 over Balboa AVE. Its coordinates are 32.806617, -117.215406. It is maintained by State Highway Agency.
INTERSTATE 5 carries INTERSTATE 5 over Balboa AVE. The bridge is 57 meters long and was built in 1954, with reconstruction in 1969.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.