State Route 36 over Harrison Gulch
GoodShasta County, California · 02-SHA-036-3.56 · Structure no. 06 0108
- Built
- 1952
- 73 years old
- Condition
- Good
- inspected March 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 475
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 36 over Harrison Gulch is a concrete continuous culvert carrying State Route 36 over Harrison Gulch in Shasta County, California. It was built in 1952, so it is 73 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 475 vehicles a day, roughly 8% of them trucks, projected to reach 714 by 2040. The structure is 23 ft (7 m) long. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 36 over Harrison Gulch built?
It was built in 1952, making it 73 years old in 2025.
What condition is State Route 36 over Harrison Gulch in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.
How much traffic does State Route 36 over Harrison Gulch carry?
About 475 vehicles per day (2009 count), of which roughly 8% are trucks.
How long is State Route 36 over Harrison Gulch?
The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).
Who owns State Route 36 over Harrison Gulch?
It is owned by the State Highway Agency.