Treat Avenue over San Andreas Creek
FairCalaveras County, California · 0.15 MI NE of SR 49 · Structure no. 30C0089
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected February 2025
- Type
- Culvert
- Concrete Continuous
- Length
- 33 ft
- 3 main spans
- Daily traffic
- 2,358
- 2012 count
- Owner
- County
- County Highway Agency
About this bridge
Treat Avenue over San Andreas Creek is a concrete continuous culvert carrying Treat Avenue over San Andreas Creek in Calaveras County, California. It was built in 1978, so it is 47 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 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 2,358 vehicles a day, roughly 1% of them trucks, projected to reach 2,846 by 2043. The structure is 33 ft (10 m) long. 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 |
|---|---|---|
| Channel and channel protection | 9 Excellent | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Treat Avenue over San Andreas Creek built?
It was built in 1978, making it 47 years old in 2025.
What condition is Treat Avenue over San Andreas Creek 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 February 2025.
How much traffic does Treat Avenue over San Andreas Creek carry?
About 2,358 vehicles per day (2012 count), of which roughly 1% are trucks.
How long is Treat Avenue over San Andreas Creek?
The structure is 33 ft (10 m) long with a longest span of 10 ft (3.2 m).
Who owns Treat Avenue over San Andreas Creek?
It is owned by the County Highway Agency.