Route 580 EB over San Pblo Adln Mgno Per
FairAlameda County, California · 04-ALA-580-45.74-OAK · Structure no. 33 0280L
- Built
- 1961
- 64 years old
- Condition
- Fair
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 1,071 ft
- 12 main spans
- Daily traffic
- 99,000
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
Route 580 EB over San Pblo Adln Mgno Per is a concrete continuous box beam or girders - multiple carrying Route 580 EB over San Pblo Adln Mgno Per in Alameda County, California. It was built in 1961, so it is 64 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 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 99,000 vehicles a day, roughly 3% of them trucks, projected to reach 315,259 by 2042. The structure is 1,071 ft (326.5 m) long and 69 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Route 580 EB over San Pblo Adln Mgno Per built?
It was built in 1961, making it 64 years old in 2025.
What condition is Route 580 EB over San Pblo Adln Mgno Per 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 August 2024.
How much traffic does Route 580 EB over San Pblo Adln Mgno Per carry?
About 99,000 vehicles per day (2017 count), of which roughly 3% are trucks.
How long is Route 580 EB over San Pblo Adln Mgno Per?
The structure is 1,071 ft (326.5 m) long with a longest span of 121 ft (36.9 m) and a deck 69 ft wide.
Who owns Route 580 EB over San Pblo Adln Mgno Per?
It is owned by the State Highway Agency.