Austin CR RD over Austin Creek
FairSonoma County, California · Just S Cazadero HWY · Structure no. 20C0042
- Built
- 1959
- 66 years old
- Condition
- Fair
- inspected June 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 165 ft
- 3 main spans
- Daily traffic
- 200
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
Austin CR RD over Austin Creek is a concrete continuous tee beam carrying Austin CR RD over Austin Creek in Sonoma County, California. It was built in 1959, so it is 66 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 211 by 2046. The structure is 165 ft (50.3 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Austin CR RD over Austin Creek built?
It was built in 1959, making it 66 years old in 2025.
What condition is Austin CR 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 June 2024.
How much traffic does Austin CR RD over Austin Creek carry?
About 200 vehicles per day (2015 count), of which roughly 5% are trucks.
How long is Austin CR RD over Austin Creek?
The structure is 165 ft (50.3 m) long with a longest span of 65 ft (19.8 m) and a deck 33 ft wide.
Who owns Austin CR RD over Austin Creek?
It is owned by the County Highway Agency.