Interstate 80 over San Francisco Bay 3 Sts
FairSan Francisco County, California · 04-SF-080-6.35L-SF · Structure no. 34 0003
- Built
- 1936
- 89 years old, rebuilt 1962
- Condition
- Fair
- inspected November 2024
- Type
- Suspension
- Steel
- Length
- 10,303 ft
- 6 main spans
- Daily traffic
- 200,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 80 over San Francisco Bay 3 Sts is a steel suspension carrying Interstate 80 over San Francisco Bay 3 Sts in San Francisco County, California. It was built in 1936 and reconstructed in 1962, so it is 89 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 200,000 vehicles a day, roughly 3% of them trucks, projected to reach 406,559 by 2044. The structure is 10,303 ft (3,140.5 m) long and 125 ft wide. If it were closed, the detour would be 34.8 mi (56 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 80 over San Francisco Bay 3 Sts built?
It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1962.
What condition is Interstate 80 over San Francisco Bay 3 Sts in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.
How much traffic does Interstate 80 over San Francisco Bay 3 Sts carry?
About 200,000 vehicles per day (2020 count), of which roughly 3% are trucks.
How long is Interstate 80 over San Francisco Bay 3 Sts?
The structure is 10,303 ft (3,140.5 m) long with a longest span of 2,310 ft (704.1 m) and a deck 125 ft wide.
Who owns Interstate 80 over San Francisco Bay 3 Sts?
It is owned by the State Highway Agency.