Interstate 580 over Coolidge Ave
GoodAlameda County, California · 04-ALA-580-R41.14-OAK · Structure no. 33 0322
- Built
- 1963
- 62 years old
- Condition
- Good
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 127 ft
- 3 main spans
- Daily traffic
- 169,000
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 580 over Coolidge Ave is a concrete continuous box beam or girders - multiple carrying Interstate 580 over Coolidge Ave in Alameda County, California. It was built in 1963, so it is 62 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 169,000 vehicles a day, roughly 2% of them trucks, projected to reach 307,275 by 2041. The structure is 127 ft (38.7 m) long and 141 ft wide.
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 Coolidge Ave built?
It was built in 1963, making it 62 years old in 2025.
What condition is Interstate 580 over Coolidge 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 September 2023.
How much traffic does Interstate 580 over Coolidge Ave carry?
About 169,000 vehicles per day (2014 count), of which roughly 2% are trucks.
How long is Interstate 580 over Coolidge Ave?
The structure is 127 ft (38.7 m) long with a longest span of 63 ft (19.2 m) and a deck 141 ft wide.
Who owns Interstate 580 over Coolidge Ave?
It is owned by the State Highway Agency.