BridgeSafety
Contra Costa County, CA · Structure #28 0034

INTERSTATE 80

INTERSTATE 80 in 04-Cc-080-1.67-Ecr, Contra Costa County, California received a condition grade of B (68/100). Built in 1956, the bridge carries 179K vehicles daily on INTERSTATE 80 over Potrero AVE & S80 On Rmp.

B
68/100
68
Condition Score
179K
Daily Traffic
1956
Year Built
89m
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 80
Crosses Over
Potrero AVE & S80 On Rmp
State
California
County
Contra Costa County
Location
04-Cc-080-1.67-Ecr
Year Built
1956
Reconstructed
1997
Age
70 years
Daily Traffic
179,000
Lanes
8
Length
89 meters
Owner
State Highway Agency
Structure Number
28 0034

About This Bridge

INTERSTATE 80 is a 70-year-old bridge located 04-Cc-080-1.67-Ecr in Contra Costa County, California. The bridge carries INTERSTATE 80 over Potrero AVE & S80 On Rmp with 8 traffic lanes, handling approximately 179K vehicles per day. Built in 1956 and reconstructed in 1997, the structure spans 89 meters.

The bridge received a Condition Grade of B (68/100) 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-080-1.67-Ecr, Contra Costa County, California

37.920642, -122.317494

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Frequently Asked Questions

INTERSTATE 80 has a Condition Score of 68/100 (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 80 was built in 1956 and reconstructed in 1997, making it 70 years old. The average bridge age in the United States is 48 years.

INTERSTATE 80 carries approximately 179K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 89 meters long and located on INTERSTATE 80 in 04-Cc-080-1.67-Ecr, Contra Costa County, California.

No, INTERSTATE 80 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 80 is located 04-Cc-080-1.67-Ecr in Contra Costa County, California. The bridge carries INTERSTATE 80 over Potrero AVE & S80 On Rmp. Its coordinates are 37.920642, -122.317494. It is maintained by State Highway Agency.

INTERSTATE 80 carries INTERSTATE 80 over Potrero AVE & S80 On Rmp. The bridge is 89 meters long and was built in 1956, with reconstruction in 1997.

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.