INTERSTATE 880
INTERSTATE 880 in 04-Scl-880-3.15-Sjs, Santa Clara County, California received a condition grade of C (59/100). Built in 1960, the bridge carries 165K vehicles daily on INTERSTATE 880 over Guadalupe River. It is classified as structurally deficient.
INTERSTATE 880 carries a C on the BridgeSafety Condition Score with 59/100. Component ratings sit in the middle of the FHWA NBI distribution; rehabilitation programming is likely on the owning agency’s medium-term horizon.
The bridge was built in 1960 and is now 66 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 165,000 vehicles, with 6 lane(s) crossing Guadalupe River. 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 66-year-old bridge located 04-Scl-880-3.15-Sjs in Santa Clara County, California. The bridge carries INTERSTATE 880 over Guadalupe River with 6 traffic lanes, handling approximately 165K vehicles per day. Built in 1960 and reconstructed in 1963, the structure spans 62.5 meters.
The bridge received a Condition Grade of C (59/100) based on Federal Highway Administration inspection data. Its deck is rated 4/9 (poor), superstructure 7/9 (good), and substructure 7/9 (good). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below, this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
INTERSTATE 880 has a Condition Score of 59/100 (Grade C). Its deck is rated 4/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is classified as structurally deficient.
INTERSTATE 880 was built in 1960 and reconstructed in 1963, making it 66 years old. The average bridge age in the United States is 48 years.
INTERSTATE 880 carries approximately 165K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 62.5 meters long and located on INTERSTATE 880 in 04-Scl-880-3.15-Sjs, Santa Clara County, California.
Yes, INTERSTATE 880 is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.
INTERSTATE 880 is located 04-Scl-880-3.15-Sjs in Santa Clara County, California. The bridge carries INTERSTATE 880 over Guadalupe River. Its coordinates are 37.353367, -121.911967. It is maintained by State Highway Agency.
INTERSTATE 880 carries INTERSTATE 880 over Guadalupe River. The bridge is 62.5 meters long and was built in 1960, with reconstruction in 1963.
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.