Salmon Creek RD over Coleman Valley Creek
FairSonoma County, California · 1.3 MI W Fitzpatrick RD · Structure no. 20C0322
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 41 ft
- 2 main spans
- Daily traffic
- 80
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
Salmon Creek RD over Coleman Valley Creek is a steel continuous stringer/multi-beam or girder carrying Salmon Creek RD over Coleman Valley Creek in Sonoma County, California. It was built in 1973, so it is 52 years old, younger 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 80 vehicles a day, roughly 5% of them trucks, projected to reach 99 by 2042. The structure is 41 ft (12.5 m) long and 14 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Salmon Creek RD over Coleman Valley Creek built?
It was built in 1973, making it 52 years old in 2025.
What condition is Salmon Creek RD over Coleman Valley 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 RD over Coleman Valley Creek carry?
About 80 vehicles per day (2011 count), of which roughly 5% are trucks.
How long is Salmon Creek RD over Coleman Valley Creek?
The structure is 41 ft (12.5 m) long with a longest span of 19 ft (5.9 m) and a deck 14 ft wide.
Who owns Salmon Creek RD over Coleman Valley Creek?
It is owned by the County Highway Agency.