BridgeSafety
Alameda County, CA · Structure #33 0309R

INTERSTATE 580

INTERSTATE 580 in 04-Ala-580-R42.07-Oak, Alameda County, California received a condition grade of B (64/100). Built in 1963, the bridge carries 182K vehicles daily on INTERSTATE 580 over 14th Avenue.

B
64/100
64
Condition Score
182K
Daily Traffic
1963
Year Built
31.7m
Length

Component Ratings

DeckGood
7/9

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

SuperstructureFair
5/9

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
14th Avenue
State
California
County
Alameda County
Location
04-Ala-580-R42.07-Oak
Year Built
1963
Age
63 years
Daily Traffic
182,000
Lanes
4
Length
31.7 meters
Owner
State Highway Agency
Structure Number
33 0309R

About This Bridge

INTERSTATE 580 is a 63-year-old bridge located 04-Ala-580-R42.07-Oak in Alameda County, California. The bridge carries INTERSTATE 580 over 14th Avenue with 4 traffic lanes, handling approximately 182K vehicles per day. Built in 1963, the structure spans 31.7 meters.

The bridge received a Condition Grade of B (64/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 5/9 (fair), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

04-Ala-580-R42.07-Oak, Alameda County, California

37.800572, -122.226389

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Frequently Asked Questions

INTERSTATE 580 has a Condition Score of 64/100 (Grade B). Its deck is rated 7/9, superstructure 5/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

INTERSTATE 580 was built in 1963, making it 63 years old. The average bridge age in the United States is 48 years.

INTERSTATE 580 carries approximately 182K vehicles per day (average daily traffic). The bridge has 4 traffic lanes. It is 31.7 meters long and located on INTERSTATE 580 in 04-Ala-580-R42.07-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-R42.07-Oak in Alameda County, California. The bridge carries INTERSTATE 580 over 14th Avenue. Its coordinates are 37.800572, -122.226389. It is maintained by State Highway Agency.

INTERSTATE 580 carries INTERSTATE 580 over 14th Avenue. The bridge is 31.7 meters long and was built in 1963.

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.