INTERSTATE 880
INTERSTATE 880 in 04-Scl-880-1.25-Sjs, Santa Clara County, California received a condition grade of B (62/100). Built in 1959, the bridge carries 154K vehicles daily on INTERSTATE 880 over Bascom AVE.
INTERSTATE 880 carries a B on the BridgeSafety Condition Score with 62/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.
The bridge was built in 1959 and is now 67 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. INTERSTATE 880 carries an average daily traffic count of 154,000 vehicles, with 8 lane(s) crossing Bascom AVE. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
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 880 is a 67-year-old bridge located 04-Scl-880-1.25-Sjs in Santa Clara County, California. The bridge carries INTERSTATE 880 over Bascom AVE with 8 traffic lanes, handling approximately 154K vehicles per day. Built in 1959 and reconstructed in 1996, the structure spans 49.7 meters.
The bridge received a Condition Grade of B (62/100) 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
INTERSTATE 880 has a Condition Score of 62/100 (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.
INTERSTATE 880 was built in 1959 and reconstructed in 1996, making it 67 years old. The average bridge age in the United States is 48 years.
INTERSTATE 880 carries approximately 154K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 49.7 meters long and located on INTERSTATE 880 in 04-Scl-880-1.25-Sjs, Santa Clara County, California.
No, INTERSTATE 880 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 880 is located 04-Scl-880-1.25-Sjs in Santa Clara County, California. The bridge carries INTERSTATE 880 over Bascom AVE. Its coordinates are 37.334103, -121.936522. It is maintained by State Highway Agency.
INTERSTATE 880 carries INTERSTATE 880 over Bascom AVE. The bridge is 49.7 meters long and was built in 1959, with reconstruction in 1996.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.