Interstate 580 over Telegraph Ave
GoodAlameda County, California · 04-ALA-580-45.03-OAK · Structure no. 33 0297
- Built
- 1961
- 64 years old, rebuilt 1969
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Concrete
- Length
- 177 ft
- 1 main span
- Daily traffic
- 201,000
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 580 over Telegraph Ave is a concrete box beam or girders - multiple carrying Interstate 580 over Telegraph Ave in Alameda County, California. It was built in 1961 and reconstructed in 1969, 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 201,000 vehicles a day, roughly 1% of them trucks, projected to reach 338,392 by 2042. The structure is 177 ft (53.9 m) long and 180 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 580 over Telegraph Ave built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1969.
What condition is Interstate 580 over Telegraph Ave 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 Interstate 580 over Telegraph Ave carry?
About 201,000 vehicles per day (2017 count), of which roughly 1% are trucks.
How long is Interstate 580 over Telegraph Ave?
The structure is 177 ft (53.9 m) long with a longest span of 102 ft (31.1 m) and a deck 180 ft wide.
Who owns Interstate 580 over Telegraph Ave?
It is owned by the State Highway Agency.