INTERSTATE 880
INTERSTATE 880 in 04-Ala-880-20.95-Sln, Alameda County, California received a condition grade of F (0/100). Built in 1951, the bridge carries 219K vehicles daily on INTERSTATE 880 over Ora Loma Ditch. It is classified as structurally deficient.
INTERSTATE 880 carries an F on the BridgeSafety Condition Score with 0/100 — the bottom tier of the FHWA NBI distribution. Component ratings flag the structure for near-term rehabilitation or replacement; the bridge may remain open to traffic but is on the priority list for action.
The bridge was built in 1951 and is now 75 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 219,000 vehicles, with 12 lane(s) crossing Ora Loma Ditch. 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 75-year-old bridge located 04-Ala-880-20.95-Sln in Alameda County, California. The bridge carries INTERSTATE 880 over Ora Loma Ditch with 12 traffic lanes, handling approximately 219K vehicles per day. Built in 1951 and reconstructed in 1956, the structure spans 8.2 meters.
The bridge received a Condition Grade of F (0/100) based on Federal Highway Administration inspection data. Its deck is rated 0/9 (serious), superstructure 0/9 (serious), and substructure 0/9 (serious). 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 0/100 (Grade F). Its deck is rated 0/9, superstructure 0/9, and substructure 0/9 on the NBI scale. The bridge is classified as structurally deficient.
INTERSTATE 880 was built in 1951 and reconstructed in 1956, making it 75 years old. The average bridge age in the United States is 48 years.
INTERSTATE 880 carries approximately 219K vehicles per day (average daily traffic). The bridge has 12 traffic lanes. It is 8.2 meters long and located on INTERSTATE 880 in 04-Ala-880-20.95-Sln, 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-880-20.95-Sln in Alameda County, California. The bridge carries INTERSTATE 880 over Ora Loma Ditch. Its coordinates are 37.692589, -122.140222. It is maintained by State Highway Agency.
INTERSTATE 880 carries INTERSTATE 880 over Ora Loma Ditch. The bridge is 8.2 meters long and was built in 1951, with reconstruction in 1956.
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.