INTERSTATE 380
INTERSTATE 380 in 04-Sm-380-T4.98-Sbr, San Mateo County, California received a condition grade of B (61/100). Built in 1971, the bridge carries 122K vehicles daily on INTERSTATE 380 over Cherry Avenue.
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 380 is a 55-year-old bridge located 04-Sm-380-T4.98-Sbr in San Mateo County, California. The bridge carries INTERSTATE 380 over Cherry Avenue with 7 traffic lanes, handling approximately 122K vehicles per day. Built in 1971 and reconstructed in 1973, the structure spans 41.2 meters.
The bridge received a Condition Grade of B (61/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 5/9 (fair), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
INTERSTATE 380 has a Condition Score of 61/100 (Grade B). Its deck is rated 5/9, superstructure 5/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
INTERSTATE 380 was built in 1971 and reconstructed in 1973, making it 55 years old. The average bridge age in the United States is 48 years.
INTERSTATE 380 carries approximately 122K vehicles per day (average daily traffic). The bridge has 7 traffic lanes. It is 41.2 meters long and located on INTERSTATE 380 in 04-Sm-380-T4.98-Sbr, San Mateo County, California.
No, INTERSTATE 380 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 380 is located 04-Sm-380-T4.98-Sbr in San Mateo County, California. The bridge carries INTERSTATE 380 over Cherry Avenue. Its coordinates are 37.629300, -122.426589. It is maintained by State Highway Agency.
INTERSTATE 380 carries INTERSTATE 380 over Cherry Avenue. The bridge is 41.2 meters long and was built in 1971, with reconstruction in 1973.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.