Interstate 580 EB over East Castro Valley Blvd
GoodAlameda County, California · 04-ALA-580-R27.00 · Structure no. 33 0235L
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 720 ft
- 5 main spans
- Daily traffic
- 98,500
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 580 EB over East Castro Valley Blvd is a prestressed concrete continuous box beam or girders - multiple carrying Interstate 580 EB over East Castro Valley Blvd in Alameda County, California. It was built in 1986, so it is 39 years old, younger 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 98,500 vehicles a day, projected to reach 116,555 by 2046. The structure is 720 ft (219.5 m) long and 69 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. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 580 EB over East Castro Valley Blvd built?
It was built in 1986, making it 39 years old in 2025.
What condition is Interstate 580 EB over East Castro Valley Blvd 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 March 2024.
How much traffic does Interstate 580 EB over East Castro Valley Blvd carry?
About 98,500 vehicles per day (2017 count).
How long is Interstate 580 EB over East Castro Valley Blvd?
The structure is 720 ft (219.5 m) long with a longest span of 160 ft (48.8 m) and a deck 69 ft wide.
Who owns Interstate 580 EB over East Castro Valley Blvd?
It is owned by the State Highway Agency.