INTERSTATE 880
INTERSTATE 880 in 04-Ala-880-25.97-Oak, Alameda County, California received a condition grade of C (49/100). Built in 1948, the bridge carries 199K vehicles daily on INTERSTATE 880 over Elmhurst Creek.
INTERSTATE 880 carries a C on the BridgeSafety Condition Score with 49/100. 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 1948 and is now 78 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 199,000 vehicles, with 9 lane(s) crossing Elmhurst Creek. 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 78-year-old bridge located 04-Ala-880-25.97-Oak in Alameda County, California. The bridge carries INTERSTATE 880 over Elmhurst Creek with 9 traffic lanes, handling approximately 199K vehicles per day. Built in 1948 and reconstructed in 1995, the structure spans 20.1 meters.
The bridge received a Condition Grade of C (49/100) 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 880 has a Condition Score of 49/100 (Grade C). 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 880 was built in 1948 and reconstructed in 1995, making it 78 years old. The average bridge age in the United States is 48 years.
INTERSTATE 880 carries approximately 199K vehicles per day (average daily traffic). The bridge has 9 traffic lanes. It is 20.1 meters long and located on INTERSTATE 880 in 04-Ala-880-25.97-Oak, Alameda 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-Ala-880-25.97-Oak in Alameda County, California. The bridge carries INTERSTATE 880 over Elmhurst Creek. Its coordinates are 37.746464, -122.201206. It is maintained by State Highway Agency.
INTERSTATE 880 carries INTERSTATE 880 over Elmhurst Creek. The bridge is 20.1 meters long and was built in 1948, with reconstruction in 1995.
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.