US Highway 101 over Pruitt Creek
FairSonoma County, California · 04-SON-101-27.39 · Structure no. 20 0181
- Built
- 1962
- 63 years old, rebuilt 2009
- Condition
- Fair
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 68 ft
- 3 main spans
- Daily traffic
- 62,000
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 101 over Pruitt Creek is a concrete continuous slab carrying US Highway 101 over Pruitt Creek in Sonoma County, California. It was built in 1962 and reconstructed in 2009, so it is 63 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 62,000 vehicles a day, roughly 6% of them trucks, projected to reach 145,347 by 2046. The structure is 68 ft (20.7 m) long and 142 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US Highway 101 over Pruitt Creek built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2009.
What condition is US Highway 101 over Pruitt Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.
How much traffic does US Highway 101 over Pruitt Creek carry?
About 62,000 vehicles per day (2014 count), of which roughly 6% are trucks.
How long is US Highway 101 over Pruitt Creek?
The structure is 68 ft (20.7 m) long with a longest span of 26 ft (7.9 m) and a deck 142 ft wide.
Who owns US Highway 101 over Pruitt Creek?
It is owned by the State Highway Agency.