Pepper RD over Stemple Creek
FairSonoma County, California · 4 MI W of US 101 · Structure no. 20C0288
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected November 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 3,500
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
Pepper RD over Stemple Creek is a concrete continuous culvert carrying Pepper RD over Stemple Creek in Sonoma County, California. It was built in 1970, so it is 55 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 3,500 vehicles a day, roughly 4% of them trucks, projected to reach 1,604 by 2042. The structure is 23 ft (7 m) long and 46 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 7 Good | Some minor problems. |
| Culvert | 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 Pepper RD over Stemple Creek built?
It was built in 1970, making it 55 years old in 2025.
What condition is Pepper RD over Stemple 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 November 2024.
How much traffic does Pepper RD over Stemple Creek carry?
About 3,500 vehicles per day (2015 count), of which roughly 4% are trucks.
How long is Pepper RD over Stemple Creek?
The structure is 23 ft (7 m) long with a longest span of 11 ft (3.3 m) and a deck 46 ft wide.
Who owns Pepper RD over Stemple Creek?
It is owned by the County Highway Agency.