Central Avenue over Interstate 580
FairContra Costa County, California · 04-CC-580-0.24-RCH · Structure no. 28 0231
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 469 ft
- 6 main spans
- Daily traffic
- 10,500
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Central Avenue over Interstate 580 is a prestressed concrete continuous box beam or girders - multiple carrying Central Avenue over Interstate 580 in Contra Costa County, California. It was built in 1991, so it is 34 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 10,500 vehicles a day, roughly 1% of them trucks, projected to reach 11,915 by 2042. The structure is 469 ft (143 m) long and 93 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Central Avenue over Interstate 580 built?
It was built in 1991, making it 34 years old in 2025.
What condition is Central Avenue over Interstate 580 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 Central Avenue over Interstate 580 carry?
About 10,500 vehicles per day (2016 count), of which roughly 1% are trucks.
How long is Central Avenue over Interstate 580?
The structure is 469 ft (143 m) long with a longest span of 95 ft (29.1 m) and a deck 93 ft wide.
Who owns Central Avenue over Interstate 580?
It is owned by the State Highway Agency.