Middle Rincon RD over Austin Creek
FairSonoma County, California · 0.25 MI N of SH 12 · Structure no. 20C0161
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected August 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 2,200
- 2010 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Middle Rincon RD over Austin Creek is a concrete continuous culvert carrying Middle Rincon RD over Austin 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 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 2,200 vehicles a day, roughly 2% of them trucks, projected to reach 2,717 by 2042. The structure is 22 ft (6.7 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Middle Rincon RD over Austin Creek built?
It was built in 1970, making it 55 years old in 2025.
What condition is Middle Rincon RD over Austin 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 August 2024.
How much traffic does Middle Rincon RD over Austin Creek carry?
About 2,200 vehicles per day (2010 count), of which roughly 2% are trucks.
How long is Middle Rincon RD over Austin Creek?
The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.4 m) and a deck 53 ft wide.
Who owns Middle Rincon RD over Austin Creek?
It is owned by the City or Municipal Highway Agency.