Old Redwood HWY over East Windsor Creek
GoodSonoma County, California · 0.1 MI S.E. of SH101 · Structure no. 20C0502
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected July 2021
- Type
- Arch - Deck
- Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 20,000
- 2015 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Old Redwood HWY over East Windsor Creek is a concrete arch - deck carrying Old Redwood HWY over East Windsor Creek in Sonoma County, California. It was built in 1991, so it is 34 years old, younger 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 20,000 vehicles a day, roughly 5% of them trucks, projected to reach 9,780 by 2038. The structure is 26 ft (7.9 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 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 |
|---|---|---|
| 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 Redwood HWY over East Windsor Creek built?
It was built in 1991, making it 34 years old in 2025.
What condition is Old Redwood HWY over East Windsor 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 July 2021.
How much traffic does Old Redwood HWY over East Windsor Creek carry?
About 20,000 vehicles per day (2015 count), of which roughly 5% are trucks.
How long is Old Redwood HWY over East Windsor Creek?
The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 28 ft wide.
Who owns Old Redwood HWY over East Windsor Creek?
It is owned by the Town or Township Highway Agency.