BridgeSafety
San Francisco County, CA · Structure #34 0003

INTERSTATE 80

INTERSTATE 80 in 04-Sf-080-6.35l-Sf, San Francisco County, California received a condition grade of C (43/100). Built in 1936, the bridge carries 200K vehicles daily on INTERSTATE 80 over San Francisco Bay 3 Sts.

C
43/100
43
Condition Score
200K
Daily Traffic
1936
Year Built
3140.5m
Length

Component Ratings

DeckFair
5/9

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 80
Crosses Over
San Francisco Bay 3 Sts
State
California
County
San Francisco County
Location
04-Sf-080-6.35l-Sf
Year Built
1936
Reconstructed
1962
Age
90 years
Daily Traffic
200,000
Lanes
10
Length
3140.5 meters
Owner
State Highway Agency
Structure Number
34 0003

About This Bridge

INTERSTATE 80 is a 90-year-old bridge located 04-Sf-080-6.35l-Sf in San Francisco County, California. The bridge carries INTERSTATE 80 over San Francisco Bay 3 Sts with 10 traffic lanes, handling approximately 200K vehicles per day. Built in 1936 and reconstructed in 1962, the structure spans 3140.5 meters.

The bridge received a Condition Grade of C (43/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 5/9 (fair), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

04-Sf-080-6.35l-Sf, San Francisco County, California

37.786425, -122.390583

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Frequently Asked Questions

INTERSTATE 80 has a Condition Score of 43/100 (Grade C). Its deck is rated 5/9, superstructure 5/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

INTERSTATE 80 was built in 1936 and reconstructed in 1962, making it 90 years old. The average bridge age in the United States is 48 years.

INTERSTATE 80 carries approximately 200K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 3140.5 meters long and located on INTERSTATE 80 in 04-Sf-080-6.35l-Sf, San Francisco 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-Sf-080-6.35l-Sf in San Francisco County, California. The bridge carries INTERSTATE 80 over San Francisco Bay 3 Sts. Its coordinates are 37.786425, -122.390583. It is maintained by State Highway Agency.

INTERSTATE 80 carries INTERSTATE 80 over San Francisco Bay 3 Sts. The bridge is 3140.5 meters long and was built in 1936, with reconstruction in 1962.

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.