Green Valley RD over Atascadero Creek
PoorSonoma County, California · 0.6 MI W of SR 116 · Structure no. 20C0381
- Built
- 1967
- 58 years old
- Condition
- Poor
- inspected February 2025
- Type
- Slab
- Concrete Continuous
- Length
- 82 ft
- 2 main spans
- Daily traffic
- 2,500
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
Green Valley RD over Atascadero Creek is a concrete continuous slab carrying Green Valley RD over Atascadero Creek in Sonoma County, California. It was built in 1967, so it is 58 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 2,500 vehicles a day, roughly 1% of them trucks, projected to reach 2,885 by 2047. The structure is 82 ft (25 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Green Valley RD over Atascadero Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is Green Valley RD over Atascadero Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.
How much traffic does Green Valley RD over Atascadero Creek carry?
About 2,500 vehicles per day (2018 count), of which roughly 1% are trucks.
How long is Green Valley RD over Atascadero Creek?
The structure is 82 ft (25 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.
Who owns Green Valley RD over Atascadero Creek?
It is owned by the County Highway Agency.