Ramp/Connector 580 over Fthll Blvd Conn
FairAlameda County, California · 04-ALA-580-R35.00-SLN · Structure no. 33 0334K
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 360 ft
- 5 main spans
- Daily traffic
- 7,075
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
Ramp/Connector 580 over Fthll Blvd Conn is a concrete continuous box beam or girders - multiple carrying Ramp/Connector 580 over Fthll Blvd Conn in Alameda County, California. It was built in 1964, so it is 61 years old, older 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 7,075 vehicles a day, roughly 1% of them trucks, projected to reach 10,688 by 2041. The structure is 360 ft (109.7 m) long and 26 ft wide.
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 Ramp/Connector 580 over Fthll Blvd Conn built?
It was built in 1964, making it 61 years old in 2025.
What condition is Ramp/Connector 580 over Fthll Blvd Conn 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 September 2023.
How much traffic does Ramp/Connector 580 over Fthll Blvd Conn carry?
About 7,075 vehicles per day (2014 count), of which roughly 1% are trucks.
How long is Ramp/Connector 580 over Fthll Blvd Conn?
The structure is 360 ft (109.7 m) long with a longest span of 89 ft (27.1 m) and a deck 26 ft wide.
Who owns Ramp/Connector 580 over Fthll Blvd Conn?
It is owned by the State Highway Agency.