STATE ROUTE 78
STATE ROUTE 78 in 11-Sd-078-5.94-Vsta, San Diego County, California received a condition grade of B (70/100). Built in 1994, the bridge carries 142K vehicles daily on STATE ROUTE 78 over Melrose DR.
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 32-year-old bridge located 11-Sd-078-5.94-Vsta in San Diego County, California. The bridge carries STATE ROUTE 78 over Melrose DR with 6 traffic lanes, handling approximately 142K vehicles per day. Built in 1994, the structure spans 45.5 meters.
The bridge received a Condition Grade of B (70/100) 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 70/100 (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 1994, making it 32 years old. The average bridge age in the United States is 48 years.
STATE ROUTE 78 carries approximately 142K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 45.5 meters long and located on STATE ROUTE 78 in 11-Sd-078-5.94-Vsta, 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-078-5.94-Vsta in San Diego County, California. The bridge carries STATE ROUTE 78 over Melrose DR. Its coordinates are 33.194658, -117.254119. It is maintained by State Highway Agency.
STATE ROUTE 78 carries STATE ROUTE 78 over Melrose DR. The bridge is 45.5 meters long and was built in 1994.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.