STATE ROUTE 78
STATE ROUTE 78 in 11-Sd-078-0.01-Ocn, San Diego County, California received a condition grade of B (68/100). Built in 1971, the bridge carries 137K vehicles daily on STATE ROUTE 78 over Interstate 5.
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
STATE ROUTE 78 is a 55-year-old bridge located 11-Sd-078-0.01-Ocn in San Diego County, California. The bridge carries STATE ROUTE 78 over Interstate 5 with 6 traffic lanes, handling approximately 137K vehicles per day. Built in 1971, the structure spans 81.4 meters.
The bridge received a Condition Grade of B (68/100) 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
STATE ROUTE 78 has a Condition Score of 68/100 (Grade B). 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.
STATE ROUTE 78 was built in 1971, making it 55 years old. The average bridge age in the United States is 48 years.
STATE ROUTE 78 carries approximately 137K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 81.4 meters long and located on STATE ROUTE 78 in 11-Sd-078-0.01-Ocn, San Diego County, California.
No, STATE ROUTE 78 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
STATE ROUTE 78 is located 11-Sd-078-0.01-Ocn in San Diego County, California. The bridge carries STATE ROUTE 78 over Interstate 5. Its coordinates are 33.177014, -117.351292. It is maintained by State Highway Agency.
STATE ROUTE 78 carries STATE ROUTE 78 over Interstate 5. The bridge is 81.4 meters long and was built in 1971.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.