I 80-I 880 CONN
I 80-I 880 CONN in 04-Ala-080-2.44-Oak, Alameda County, California received a condition grade of B (67/100). Built in 1996, the bridge carries 269K vehicles daily on I 80-I 880 CONN over SB 880 I 80 W Grand.
I 80-I 880 CONN carries a B on the BridgeSafety Condition Score with 67/100. 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 1996, making it 30 years old — past the early-life period but still well within typical service life. Routine inspections and modest repair work are normal for bridges in this age band. I 80-I 880 CONN carries an average daily traffic count of 269,472 vehicles, with 7 lane(s) crossing SB 880 I 80 W Grand. 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
I 80-I 880 CONN is a 30-year-old bridge located 04-Ala-080-2.44-Oak in Alameda County, California. The bridge carries I 80-I 880 CONN over SB 880 I 80 W Grand with 7 traffic lanes, handling approximately 269K vehicles per day. Built in 1996, the structure spans 3458 meters.
The bridge received a Condition Grade of B (67/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 6/9 (fair), and substructure 5/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I 80-I 880 CONN has a Condition Score of 67/100 (Grade B). Its deck is rated 7/9, superstructure 6/9, and substructure 5/9 on the NBI scale. The bridge is not classified as structurally deficient.
I 80-I 880 CONN was built in 1996, making it 30 years old. The average bridge age in the United States is 48 years.
I 80-I 880 CONN carries approximately 269K vehicles per day (average daily traffic). The bridge has 7 traffic lanes. It is 3458 meters long and located on I 80-I 880 CONN in 04-Ala-080-2.44-Oak, Alameda County, California.
No, I 80-I 880 CONN is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I 80-I 880 CONN is located 04-Ala-080-2.44-Oak in Alameda County, California. The bridge carries I 80-I 880 CONN over SB 880 I 80 W Grand. Its coordinates are 37.825403, -122.309275. It is maintained by State Highway Agency.
I 80-I 880 CONN carries I 80-I 880 CONN over SB 880 I 80 W Grand. The bridge is 3458 meters long and was built 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.