Old Alturas RD over Salmon Creek
FairShasta County, California · 0.3 MI NE Salmon Creek RD · Structure no. 06C0172
- Built
- 1980
- 45 years old
- Condition
- Fair
- inspected June 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 45 ft
- 3 main spans
- Daily traffic
- 4,130
- 2012 count
- Owner
- County
- County Highway Agency
About this bridge
Old Alturas RD over Salmon Creek is a concrete continuous culvert carrying Old Alturas RD over Salmon Creek in Shasta County, California. It was built in 1980, so it is 45 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 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 4,130 vehicles a day, roughly 5% of them trucks, projected to reach 6,152 by 2045. The structure is 45 ft (13.7 m) long and 37 ft wide. If it were closed, the detour would be 11.8 mi (19 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old Alturas RD over Salmon Creek built?
It was built in 1980, making it 45 years old in 2025.
What condition is Old Alturas RD 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 June 2023.
How much traffic does Old Alturas RD over Salmon Creek carry?
About 4,130 vehicles per day (2012 count), of which roughly 5% are trucks.
How long is Old Alturas RD over Salmon Creek?
The structure is 45 ft (13.7 m) long with a longest span of 14 ft (4.3 m) and a deck 37 ft wide.
Who owns Old Alturas RD over Salmon Creek?
It is owned by the County Highway Agency.