BridgeSafety
Alameda County, CA · Structure #33 0172

INTERSTATE 880

INTERSTATE 880 in 04-Ala-880-20.68-Sln, Alameda County, California received a condition grade of B (62/100). Built in 1952, the bridge carries 219K vehicles daily on INTERSTATE 880 over S880-S238 Connector Ramp.

B
62/100
62
Condition Score
219K
Daily Traffic
1952
Year Built
27.7m
Length

Component Ratings

DeckFair
5/9

The riding surface — evaluated for cracking, spalling, and wear

SuperstructureGood
8/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
INTERSTATE 880
Crosses Over
S880-S238 Connector Ramp
State
California
County
Alameda County
Location
04-Ala-880-20.68-Sln
Year Built
1952
Reconstructed
1994
Age
74 years
Daily Traffic
219,000
Lanes
9
Length
27.7 meters
Owner
State Highway Agency
Structure Number
33 0172

About This Bridge

INTERSTATE 880 is a 74-year-old bridge located 04-Ala-880-20.68-Sln in Alameda County, California. The bridge carries INTERSTATE 880 over S880-S238 Connector Ramp with 9 traffic lanes, handling approximately 219K vehicles per day. Built in 1952 and reconstructed in 1994, the structure spans 27.7 meters.

The bridge received a Condition Grade of B (62/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 8/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

04-Ala-880-20.68-Sln, Alameda County, California

37.689936, -122.136397

Open in Google Maps →

Frequently Asked Questions

INTERSTATE 880 has a Condition Score of 62/100 (Grade B). Its deck is rated 5/9, superstructure 8/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

INTERSTATE 880 was built in 1952 and reconstructed in 1994, making it 74 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 9 traffic lanes. It is 27.7 meters long and located on INTERSTATE 880 in 04-Ala-880-20.68-Sln, 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-880-20.68-Sln in Alameda County, California. The bridge carries INTERSTATE 880 over S880-S238 Connector Ramp. Its coordinates are 37.689936, -122.136397. It is maintained by State Highway Agency.

INTERSTATE 880 carries INTERSTATE 880 over S880-S238 Connector Ramp. The bridge is 27.7 meters long and was built in 1952, with reconstruction in 1994.

Last updated:

Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.