Interstate 580 WB over Valpico Road
FairSan Joaquin County, California · 10-SJ-580-9.71 · Structure no. 29 0165R
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected March 2024
- Type
- Slab
- Concrete Continuous
- Length
- 74 ft
- 3 main spans
- Daily traffic
- 13,300
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 580 WB over Valpico Road is a concrete continuous slab carrying Interstate 580 WB over Valpico Road in San Joaquin County, California. It was built in 1966, so it is 59 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 13,300 vehicles a day, roughly 14% of them trucks, projected to reach 27,270 by 2046. The structure is 74 ft (22.6 m) long and 42 ft wide. If it were closed, the detour would be 16.2 mi (26 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 580 WB over Valpico Road built?
It was built in 1966, making it 59 years old in 2025.
What condition is Interstate 580 WB over Valpico 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 Valpico Road carry?
About 13,300 vehicles per day (2009 count), of which roughly 14% are trucks.
How long is Interstate 580 WB over Valpico Road?
The structure is 74 ft (22.6 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.
Who owns Interstate 580 WB over Valpico Road?
It is owned by the State Highway Agency.