Slate Creek Road over Slate Creek
GoodShasta County, California · 0.4 MI W of I-5 · Structure no. 06C0229
- Built
- 1920
- 105 years old
- Condition
- Good
- inspected July 2023
- Type
- Arch - Deck
- Concrete
- Length
- 61 ft
- 1 main span
- Daily traffic
- 82
- 2001 count
- Owner
- County
- County Highway Agency
About this bridge
Slate Creek Road over Slate Creek is a concrete arch - deck carrying Slate Creek Road over Slate Creek in Shasta County, California. It was built in 1920, so it is 105 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 82 vehicles a day, roughly 15% of them trucks, projected to reach 320 by 2042. The structure is 61 ft (18.6 m) long and 25 ft wide. If it were closed, the detour would be 8.7 mi (14 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 |
|---|---|---|
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Slate Creek Road over Slate Creek built?
It was built in 1920, making it 105 years old in 2025.
What condition is Slate Creek Road over Slate Creek 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 July 2023.
How much traffic does Slate Creek Road over Slate Creek carry?
About 82 vehicles per day (2001 count), of which roughly 15% are trucks.
How long is Slate Creek Road over Slate Creek?
The structure is 61 ft (18.6 m) long with a longest span of 59 ft (18 m) and a deck 25 ft wide.
Who owns Slate Creek Road over Slate Creek?
It is owned by the County Highway Agency.