Ramp/Connector 580 over 30th Street
GoodAlameda County, California · 04-ALA-580-45.22-OAK · Structure no. 33 0350H
- Built
- 1969
- 56 years old
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 122 ft
- 3 main spans
- Daily traffic
- 4,200
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Ramp/Connector 580 over 30th Street is a concrete continuous box beam or girders - multiple carrying Ramp/Connector 580 over 30th Street in Alameda County, California. It was built in 1969, so it is 56 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 4,200 vehicles a day, roughly 2% of them trucks, projected to reach 16,800 by 2042. The structure is 122 ft (37.2 m) long and 47 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ramp/Connector 580 over 30th Street built?
It was built in 1969, making it 56 years old in 2025.
What condition is Ramp/Connector 580 over 30th Street 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 August 2024.
How much traffic does Ramp/Connector 580 over 30th Street carry?
About 4,200 vehicles per day (2019 count), of which roughly 2% are trucks.
How long is Ramp/Connector 580 over 30th Street?
The structure is 122 ft (37.2 m) long with a longest span of 62 ft (18.9 m) and a deck 47 ft wide.
Who owns Ramp/Connector 580 over 30th Street?
It is owned by the State Highway Agency.