Valley Ford RD over Stemple Creek
FairSonoma County, California · 7.5 MI Intersection SR 1 · Structure no. 20C0113
- Built
- 1915
- 110 years old, rebuilt 1950
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 39 ft
- 3 main spans
- Daily traffic
- 3,100
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
Valley Ford RD over Stemple Creek is a steel continuous stringer/multi-beam or girder carrying Valley Ford RD over Stemple Creek in Sonoma County, California. It was built in 1915 and reconstructed in 1950, so it is 110 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 5 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 3,100 vehicles a day, roughly 3% of them trucks, projected to reach 5,491 by 2040. The structure is 39 ft (11.9 m) long and 40 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Valley Ford RD over Stemple Creek built?
It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1950.
What condition is Valley Ford RD over Stemple 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 October 2023.
How much traffic does Valley Ford RD over Stemple Creek carry?
About 3,100 vehicles per day (2015 count), of which roughly 3% are trucks.
How long is Valley Ford RD over Stemple Creek?
The structure is 39 ft (11.9 m) long with a longest span of 15 ft (4.6 m) and a deck 40 ft wide.
Who owns Valley Ford RD over Stemple Creek?
It is owned by the County Highway Agency.