Guerneville RD over Peterson Creek
GoodSonoma County, California · 4.77 MI Intx With SR 116 · Structure no. 20C0075
- Built
- 1921
- 104 years old, rebuilt 1962
- Condition
- Good
- inspected October 2023
- Type
- Tee Beam
- Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 12,700
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
Guerneville RD over Peterson Creek is a concrete tee beam carrying Guerneville RD over Peterson Creek in Sonoma County, California. It was built in 1921 and reconstructed in 1962, so it is 104 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 12,700 vehicles a day, roughly 2% of them trucks, projected to reach 24,917 by 2040. The structure is 26 ft (7.9 m) long and 41 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 |
|---|---|---|
| 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 Guerneville RD over Peterson Creek built?
It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1962.
What condition is Guerneville RD over Peterson 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 October 2023.
How much traffic does Guerneville RD over Peterson Creek carry?
About 12,700 vehicles per day (2015 count), of which roughly 2% are trucks.
How long is Guerneville RD over Peterson Creek?
The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 41 ft wide.
Who owns Guerneville RD over Peterson Creek?
It is owned by the County Highway Agency.