Salmon Creek Road over Salmon Creek
FairSonoma County, California · 0.1 MI NW Bodega HWY · Structure no. 20C0320
- Built
- 1958
- 67 years old
- Condition
- Fair
- inspected March 2024
- Type
- Slab
- Concrete Continuous
- Length
- 78 ft
- 3 main spans
- Daily traffic
- 500
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
Salmon Creek Road over Salmon Creek is a concrete continuous slab carrying Salmon Creek Road over Salmon Creek in Sonoma County, California. It was built in 1958, so it is 67 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 500 vehicles a day, roughly 5% of them trucks, projected to reach 641 by 2045. The structure is 78 ft (23.8 m) long and 25 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Salmon Creek Road over Salmon Creek built?
It was built in 1958, making it 67 years old in 2025.
What condition is Salmon Creek Road over Salmon 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 March 2024.
How much traffic does Salmon Creek Road over Salmon Creek carry?
About 500 vehicles per day (2011 count), of which roughly 5% are trucks.
How long is Salmon Creek Road over Salmon Creek?
The structure is 78 ft (23.8 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.
Who owns Salmon Creek Road over Salmon Creek?
It is owned by the County Highway Agency.