First Street over Interstate 580
FairAlameda County, California · 04-ALA-580-10.69-LVMR · Structure no. 33 0389
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 332 ft
- 4 main spans
- Daily traffic
- 8,555
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
First Street over Interstate 580 is a prestressed concrete continuous stringer/multi-beam or girder carrying First Street over Interstate 580 in Alameda County, California. It was built in 1965, so it is 60 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 8,555 vehicles a day, roughly 4% of them trucks, projected to reach 11,236 by 2044. The structure is 332 ft (101.2 m) long and 77 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was First Street over Interstate 580 built?
It was built in 1965, making it 60 years old in 2025.
What condition is First Street over Interstate 580 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 January 2024.
How much traffic does First Street over Interstate 580 carry?
About 8,555 vehicles per day (2009 count), of which roughly 4% are trucks.
How long is First Street over Interstate 580?
The structure is 332 ft (101.2 m) long with a longest span of 86 ft (26.2 m) and a deck 77 ft wide.
Who owns First Street over Interstate 580?
It is owned by the State Highway Agency.