Interstate 580 EB over Gaffery Road
FairSan Joaquin County, California · 10-SJ-580-L0.23 · Structure no. 29 0227L
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected March 2024
- Type
- Slab
- Concrete Continuous
- Length
- 92 ft
- 3 main spans
- Daily traffic
- 11,000
- 1998 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 580 EB over Gaffery Road is a concrete continuous slab carrying Interstate 580 EB over Gaffery Road in San Joaquin County, California. It was built in 1967, so it is 58 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 11,000 vehicles a day, roughly 26% of them trucks, projected to reach 21,250 by 2042. The structure is 92 ft (28.1 m) long and 42 ft wide. If it were closed, the detour would be 14.3 mi (23 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 580 EB over Gaffery Road built?
It was built in 1967, making it 58 years old in 2025.
What condition is Interstate 580 EB over Gaffery 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 EB over Gaffery Road carry?
About 11,000 vehicles per day (1998 count), of which roughly 26% are trucks.
How long is Interstate 580 EB over Gaffery Road?
The structure is 92 ft (28.1 m) long with a longest span of 36 ft (11 m) and a deck 42 ft wide.
Who owns Interstate 580 EB over Gaffery Road?
It is owned by the State Highway Agency.