State Route 99 over Pixley Slough
FairSan Joaquin County, California · 10-SJ-099-26.86 · Structure no. 29 0003
- Built
- 1930
- 95 years old, rebuilt 1964
- Condition
- Fair
- inspected July 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 61 ft
- 2 main spans
- Daily traffic
- 60,500
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 99 over Pixley Slough is a concrete continuous tee beam carrying State Route 99 over Pixley Slough in San Joaquin County, California. It was built in 1930 and reconstructed in 1964, so it is 95 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 60,500 vehicles a day, roughly 24% of them trucks, projected to reach 95,023 by 2042. The structure is 61 ft (18.6 m) long and 114 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 99 over Pixley Slough built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1964.
What condition is State Route 99 over Pixley Slough 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 July 2024.
How much traffic does State Route 99 over Pixley Slough carry?
About 60,500 vehicles per day (2014 count), of which roughly 24% are trucks.
How long is State Route 99 over Pixley Slough?
The structure is 61 ft (18.6 m) long with a longest span of 30 ft (9.1 m) and a deck 114 ft wide.
Who owns State Route 99 over Pixley Slough?
It is owned by the State Highway Agency.