CANAL&CASTRO-W580 over Castro Street
FairContra Costa County, California · 04-CC-580-R5.11-RCH · Structure no. 28 0290S
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 283 ft
- 4 main spans
- Daily traffic
- 500
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
CANAL&CASTRO-W580 over Castro Street is a prestressed concrete continuous box beam or girders - multiple carrying CANAL&CASTRO-W580 over Castro Street in Contra Costa County, California. It was built in 1990, so it is 35 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 6 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 500 vehicles a day, roughly 5% of them trucks, projected to reach 1,450 by 2046. The structure is 283 ft (86.2 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 CANAL&CASTRO-W580 over Castro Street built?
It was built in 1990, making it 35 years old in 2025.
What condition is CANAL&CASTRO-W580 over Castro Street 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 CANAL&CASTRO-W580 over Castro Street carry?
About 500 vehicles per day (2009 count), of which roughly 5% are trucks.
How long is CANAL&CASTRO-W580 over Castro Street?
The structure is 283 ft (86.2 m) long with a longest span of 106 ft (32.3 m) and a deck 40 ft wide.
Who owns CANAL&CASTRO-W580 over Castro Street?
It is owned by the State Highway Agency.