West Dry Creek RD over Pena Creek
FairSonoma County, California · 0.7 MI NW Yoakim Br RD · Structure no. 20C0407
- Built
- 1924
- 101 years old
- Condition
- Fair
- inspected October 2024
- Type
- Tee Beam
- Concrete
- Length
- 120 ft
- 4 main spans
- Daily traffic
- 300
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
West Dry Creek RD over Pena Creek is a concrete tee beam carrying West Dry Creek RD over Pena Creek in Sonoma County, California. It was built in 1924, so it is 101 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 300 vehicles a day, roughly 4% of them trucks, projected to reach 212 by 2046. The structure is 120 ft (36.6 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was West Dry Creek RD over Pena Creek built?
It was built in 1924, making it 101 years old in 2025.
What condition is West Dry Creek RD over Pena 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 2024.
How much traffic does West Dry Creek RD over Pena Creek carry?
About 300 vehicles per day (2015 count), of which roughly 4% are trucks.
How long is West Dry Creek RD over Pena Creek?
The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 22 ft wide.
Who owns West Dry Creek RD over Pena Creek?
It is owned by the County Highway Agency.