BridgeSafety
Contra Costa County, CA · Structure #28 0221

INTERSTATE 680

INTERSTATE 680 in 04-Cc-680-R1.09-Srmn, Contra Costa County, California received a condition grade of B (73/100). Built in 1966, the bridge carries 182K vehicles daily on INTERSTATE 680 over Pine Valley Road.

B
73/100
73
Condition Score
182K
Daily Traffic
1966
Year Built
38.7m
Length

Component Ratings

DeckGood
7/9

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
Pine Valley Road
State
California
County
Contra Costa County
Location
04-Cc-680-R1.09-Srmn
Year Built
1966
Reconstructed
1994
Age
60 years
Daily Traffic
181,700
Lanes
8
Length
38.7 meters
Owner
State Highway Agency
Structure Number
28 0221

About This Bridge

INTERSTATE 680 is a 60-year-old bridge located 04-Cc-680-R1.09-Srmn in Contra Costa County, California. The bridge carries INTERSTATE 680 over Pine Valley Road with 8 traffic lanes, handling approximately 182K vehicles per day. Built in 1966 and reconstructed in 1994, the structure spans 38.7 meters.

The bridge received a Condition Grade of B (73/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

04-Cc-680-R1.09-Srmn, Contra Costa County, California

37.736964, -121.950233

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Frequently Asked Questions

INTERSTATE 680 has a Condition Score of 73/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

INTERSTATE 680 was built in 1966 and reconstructed in 1994, making it 60 years old. The average bridge age in the United States is 48 years.

INTERSTATE 680 carries approximately 182K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 38.7 meters long and located on INTERSTATE 680 in 04-Cc-680-R1.09-Srmn, Contra Costa 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-Cc-680-R1.09-Srmn in Contra Costa County, California. The bridge carries INTERSTATE 680 over Pine Valley Road. Its coordinates are 37.736964, -121.950233. It is maintained by State Highway Agency.

INTERSTATE 680 carries INTERSTATE 680 over Pine Valley Road. The bridge is 38.7 meters long and was built in 1966, 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.