Armstrong Woods RD over Redwood Creek
GoodSonoma County, California · Just N/O Swtwtr Spngs RD · Structure no. 20C0364
- Built
- 1959
- 66 years old
- Condition
- Good
- inspected June 2024
- Type
- Slab
- Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 3,800
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
Armstrong Woods RD over Redwood Creek is a concrete slab carrying Armstrong Woods RD over Redwood 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 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 3,800 vehicles a day, roughly 5% of them trucks, projected to reach 5,397 by 2046. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 8.7 mi (14 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Armstrong Woods RD over Redwood Creek built?
It was built in 1959, making it 66 years old in 2025.
What condition is Armstrong Woods RD over Redwood 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 2024.
How much traffic does Armstrong Woods RD over Redwood Creek carry?
About 3,800 vehicles per day (2015 count), of which roughly 5% are trucks.
How long is Armstrong Woods RD over Redwood Creek?
The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m).
Who owns Armstrong Woods RD over Redwood Creek?
It is owned by the County Highway Agency.