Interstate 580 WB over East Castro Valley Blvd
FairAlameda County, California · 04-ALA-580-R27.00 · Structure no. 33 0235R
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 755 ft
- 5 main spans
- Daily traffic
- 98,500
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 580 WB over East Castro Valley Blvd is a prestressed concrete continuous box beam or girders - multiple carrying Interstate 580 WB 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 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 98,500 vehicles a day, projected to reach 116,555 by 2046. The structure is 755 ft (230.1 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
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 | 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 WB over East Castro Valley Blvd built?
It was built in 1986, making it 39 years old in 2025.
What condition is Interstate 580 WB over East Castro Valley Blvd 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 March 2024.
How much traffic does Interstate 580 WB over East Castro Valley Blvd carry?
About 98,500 vehicles per day (2017 count).
How long is Interstate 580 WB over East Castro Valley Blvd?
The structure is 755 ft (230.1 m) long with a longest span of 175 ft (53.3 m) and a deck 69 ft wide.
Who owns Interstate 580 WB over East Castro Valley Blvd?
It is owned by the State Highway Agency.