Old River RD over Green Valley Creek
GoodSonoma County, California · 0.1 MI Se/O Martinelli RD · Structure no. 20C0357
- Built
- 1949
- 76 years old
- Condition
- Good
- inspected June 2023
- Type
- Slab
- Concrete Continuous
- Length
- 180 ft
- 9 main spans
- Daily traffic
- 150
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
Old River RD over Green Valley Creek is a concrete continuous slab carrying Old River RD over Green Valley Creek in Sonoma County, California. It was built in 1949, so it is 76 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 150 vehicles a day, roughly 5% of them trucks, projected to reach 200 by 2040. The structure is 180 ft (54.9 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old River RD over Green Valley Creek built?
It was built in 1949, making it 76 years old in 2025.
What condition is Old River RD over Green Valley Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.
How much traffic does Old River RD over Green Valley Creek carry?
About 150 vehicles per day (2015 count), of which roughly 5% are trucks.
How long is Old River RD over Green Valley Creek?
The structure is 180 ft (54.9 m) long with a longest span of 24 ft (7.3 m) and a deck 30 ft wide.
Who owns Old River RD over Green Valley Creek?
It is owned by the County Highway Agency.