BridgeSafety
Alameda County, CA · Structure #33 0306

INTERSTATE 680

INTERSTATE 680 in 04-Ala-680-R7.48-Fmt, Alameda County, California received a condition grade of B (68/100). Built in 1963, the bridge carries 142K vehicles daily on INTERSTATE 680 over Vargas Road.

B
68/100
68
Condition Score
142K
Daily Traffic
1963
Year Built
45.3m
Length

Component Ratings

DeckFair
6/9

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 680
Crosses Over
Vargas Road
State
California
County
Alameda County
Location
04-Ala-680-R7.48-Fmt
Year Built
1963
Reconstructed
2010
Age
63 years
Daily Traffic
142,000
Lanes
8
Length
45.3 meters
Owner
State Highway Agency
Structure Number
33 0306

About This Bridge

INTERSTATE 680 is a 63-year-old bridge located 04-Ala-680-R7.48-Fmt in Alameda County, California. The bridge carries INTERSTATE 680 over Vargas Road with 8 traffic lanes, handling approximately 142K vehicles per day. Built in 1963 and reconstructed in 2010, the structure spans 45.3 meters.

The bridge received a Condition Grade of B (68/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

04-Ala-680-R7.48-Fmt, Alameda County, California

37.554278, -121.916389

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Frequently Asked Questions

INTERSTATE 680 has a Condition Score of 68/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

INTERSTATE 680 was built in 1963 and reconstructed in 2010, making it 63 years old. The average bridge age in the United States is 48 years.

INTERSTATE 680 carries approximately 142K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 45.3 meters long and located on INTERSTATE 680 in 04-Ala-680-R7.48-Fmt, Alameda County, California.

No, INTERSTATE 680 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 680 is located 04-Ala-680-R7.48-Fmt in Alameda County, California. The bridge carries INTERSTATE 680 over Vargas Road. Its coordinates are 37.554278, -121.916389. It is maintained by State Highway Agency.

INTERSTATE 680 carries INTERSTATE 680 over Vargas Road. The bridge is 45.3 meters long and was built in 1963, with reconstruction in 2010.

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.