Interstate 580 WB over Schaefer Ranch Road
FairAlameda County, California · 04-ALA-580-R23.86 · Structure no. 33 0192R
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 113 ft
- 1 main span
- Daily traffic
- 103,500
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 580 WB over Schaefer Ranch Road is a prestressed concrete box beam or girders - multiple carrying Interstate 580 WB over Schaefer Ranch Road in Alameda County, California. It was built in 1976, so it is 49 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 103,500 vehicles a day, roughly 19% of them trucks, projected to reach 119,434 by 2046. The structure is 113 ft (34.3 m) long and 69 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 | 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 Interstate 580 WB over Schaefer Ranch Road built?
It was built in 1976, making it 49 years old in 2025.
What condition is Interstate 580 WB over Schaefer Ranch Road 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 Interstate 580 WB over Schaefer Ranch Road carry?
About 103,500 vehicles per day (2017 count), of which roughly 19% are trucks.
How long is Interstate 580 WB over Schaefer Ranch Road?
The structure is 113 ft (34.3 m) long with a longest span of 111 ft (33.9 m) and a deck 69 ft wide.
Who owns Interstate 580 WB over Schaefer Ranch Road?
It is owned by the State Highway Agency.