INTERSTATE 80
INTERSTATE 80 in 04-Sf-080-7.85l-Sf, San Francisco County, California received a condition grade of C (58/100). Built in 1936, the bridge carries 248K vehicles daily on INTERSTATE 80 over Yerba Buena Island.
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 80 is a 90-year-old bridge located 04-Sf-080-7.85l-Sf in San Francisco County, California. The bridge carries INTERSTATE 80 over Yerba Buena Island with 5 traffic lanes, handling approximately 248K vehicles per day. Built in 1936 and reconstructed in 1962, the structure spans 80 meters.
The bridge received a Condition Grade of C (58/100) 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 80 has a Condition Score of 58/100 (Grade C). 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 80 was built in 1936 and reconstructed in 1962, making it 90 years old. The average bridge age in the United States is 48 years.
INTERSTATE 80 carries approximately 248K vehicles per day (average daily traffic). The bridge has 5 traffic lanes. It is 80 meters long and located on INTERSTATE 80 in 04-Sf-080-7.85l-Sf, San Francisco County, California.
No, INTERSTATE 80 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 80 is located 04-Sf-080-7.85l-Sf in San Francisco County, California. The bridge carries INTERSTATE 80 over Yerba Buena Island. Its coordinates are 37.808083, -122.367278. It is maintained by State Highway Agency.
INTERSTATE 80 carries INTERSTATE 80 over Yerba Buena Island. The bridge is 80 meters long and was built in 1936, with reconstruction in 1962.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.