Route 580 over West Street
GoodAlameda County, California · 04-ALA-580-45.39-OAK · Structure no. 33 0300
- Built
- 1961
- 64 years old
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Concrete
- Length
- 146 ft
- 1 main span
- Daily traffic
- 198,000
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
Route 580 over West Street is a concrete box beam or girders - multiple carrying Route 580 over West Street in Alameda County, California. It was built in 1961, so it is 64 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 198,000 vehicles a day, roughly 3% of them trucks, projected to reach 386,499 by 2042. The structure is 146 ft (44.6 m) long and 161 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 580 over West Street built?
It was built in 1961, making it 64 years old in 2025.
What condition is Route 580 over West Street in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.
How much traffic does Route 580 over West Street carry?
About 198,000 vehicles per day (2017 count), of which roughly 3% are trucks.
How long is Route 580 over West Street?
The structure is 146 ft (44.6 m) long with a longest span of 82 ft (25 m) and a deck 161 ft wide.
Who owns Route 580 over West Street?
It is owned by the State Highway Agency.