INTERSTATE 880
INTERSTATE 880 in 04-Ala-880-10.66-Fmt, Alameda County, California received a condition grade of C (47/100). Built in 1958, the bridge carries 225K vehicles daily on INTERSTATE 880 over Crandall Creek. It is classified as structurally deficient.
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 68-year-old bridge located 04-Ala-880-10.66-Fmt in Alameda County, California. The bridge carries INTERSTATE 880 over Crandall Creek with 8 traffic lanes, handling approximately 225K vehicles per day. Built in 1958 and reconstructed in 1988, the structure spans 44.8 meters.
The bridge received a Condition Grade of C (47/100) based on Federal Highway Administration inspection data. Its deck is rated 4/9 (poor), superstructure 4/9 (poor), 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 47/100 (Grade C). Its deck is rated 4/9, superstructure 4/9, and substructure 7/9 on the NBI scale. The bridge is classified as structurally deficient.
INTERSTATE 880 was built in 1958 and reconstructed in 1988, making it 68 years old. The average bridge age in the United States is 48 years.
INTERSTATE 880 carries approximately 225K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 44.8 meters long and located on INTERSTATE 880 in 04-Ala-880-10.66-Fmt, Alameda 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-Ala-880-10.66-Fmt in Alameda County, California. The bridge carries INTERSTATE 880 over Crandall Creek. Its coordinates are 37.567544, -122.042519. It is maintained by State Highway Agency.
INTERSTATE 880 carries INTERSTATE 880 over Crandall Creek. The bridge is 44.8 meters long and was built in 1958, with reconstruction in 1988.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.