Knighton Road over Churn Creek
FairShasta County, California · 1.1 MI East of I5 · Structure no. 06C0357
- Built
- 2002
- 23 years old
- Condition
- Fair
- inspected May 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 378 ft
- 3 main spans
- Daily traffic
- 3,850
- 2013 count
- Owner
- County
- County Highway Agency
About this bridge
Knighton Road over Churn Creek is a prestressed concrete continuous box beam or girders - multiple carrying Knighton Road over Churn Creek in Shasta County, California. It was built in 2002, so it is 23 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 3,850 vehicles a day, roughly 5% of them trucks, projected to reach 15,040 by 2043. The structure is 378 ft (115.2 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Knighton Road over Churn Creek built?
It was built in 2002, making it 23 years old in 2025.
What condition is Knighton Road over Churn 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 May 2023.
How much traffic does Knighton Road over Churn Creek carry?
About 3,850 vehicles per day (2013 count), of which roughly 5% are trucks.
How long is Knighton Road over Churn Creek?
The structure is 378 ft (115.2 m) long with a longest span of 150 ft (45.7 m) and a deck 44 ft wide.
Who owns Knighton Road over Churn Creek?
It is owned by the County Highway Agency.