INTERSTATE 680
INTERSTATE 680 in 04-Scl-680-M7.63-Mps, Santa Clara County, California received a condition grade of B (61/100). Built in 1971, the bridge carries 137K vehicles daily on INTERSTATE 680 over SR 237 (Calaveras BLVD).
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 680 is a 55-year-old bridge located 04-Scl-680-M7.63-Mps in Santa Clara County, California. The bridge carries INTERSTATE 680 over SR 237 (Calaveras BLVD) with 10 traffic lanes, handling approximately 137K vehicles per day. Built in 1971 and reconstructed in 2010, the structure spans 57.3 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 680 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 680 was built in 1971 and reconstructed in 2010, making it 55 years old. The average bridge age in the United States is 48 years.
INTERSTATE 680 carries approximately 137K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 57.3 meters long and located on INTERSTATE 680 in 04-Scl-680-M7.63-Mps, Santa Clara County, California.
No, INTERSTATE 680 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 680 is located 04-Scl-680-M7.63-Mps in Santa Clara County, California. The bridge carries INTERSTATE 680 over SR 237 (Calaveras BLVD). Its coordinates are 37.434564, -121.888017. It is maintained by State Highway Agency.
INTERSTATE 680 carries INTERSTATE 680 over SR 237 (Calaveras BLVD). The bridge is 57.3 meters long and was built in 1971, with reconstruction in 2010.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.