BridgeSafety
Alameda County, CA · Structure #33 0301

INTERSTATE 580

INTERSTATE 580 in 04-Ala-580-45.56-Oak, Alameda County, California received a condition grade of B (63/100). Built in 1961, the bridge carries 196K vehicles daily on INTERSTATE 580 over Market Street.

B
63/100
63
Condition Score
196K
Daily Traffic
1961
Year Built
25.3m
Length

Component Ratings

DeckFair
5/9

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

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
INTERSTATE 580
Crosses Over
Market Street
State
California
County
Alameda County
Location
04-Ala-580-45.56-Oak
Year Built
1961
Age
65 years
Daily Traffic
196,000
Lanes
12
Length
25.3 meters
Owner
State Highway Agency
Structure Number
33 0301

About This Bridge

INTERSTATE 580 is a 65-year-old bridge located 04-Ala-580-45.56-Oak in Alameda County, California. The bridge carries INTERSTATE 580 over Market Street with 12 traffic lanes, handling approximately 196K vehicles per day. Built in 1961, the structure spans 25.3 meters.

The bridge received a Condition Grade of B (63/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

04-Ala-580-45.56-Oak, Alameda County, California

37.826131, -122.274914

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Frequently Asked Questions

INTERSTATE 580 has a Condition Score of 63/100 (Grade B). Its deck is rated 5/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

INTERSTATE 580 was built in 1961, making it 65 years old. The average bridge age in the United States is 48 years.

INTERSTATE 580 carries approximately 196K vehicles per day (average daily traffic). The bridge has 12 traffic lanes. It is 25.3 meters long and located on INTERSTATE 580 in 04-Ala-580-45.56-Oak, Alameda County, California.

No, INTERSTATE 580 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 580 is located 04-Ala-580-45.56-Oak in Alameda County, California. The bridge carries INTERSTATE 580 over Market Street. Its coordinates are 37.826131, -122.274914. It is maintained by State Highway Agency.

INTERSTATE 580 carries INTERSTATE 580 over Market Street. The bridge is 25.3 meters long and was built in 1961.

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.