Quartz Valley Road over Shackleford Creek
GoodSiskiyou County, California · At Dangle Lane · Structure no. 02C0273
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected June 2024
- Type
- Truss - Thru
- Steel
- Length
- 103 ft
- 1 main span
- Daily traffic
- 400
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
Quartz Valley Road over Shackleford Creek is a steel truss - thru carrying Quartz Valley Road over Shackleford Creek in Siskiyou County, California. It was built in 2005, so it is 20 years old, younger 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 400 vehicles a day, roughly 5% of them trucks, projected to reach 448 by 2042. The structure is 103 ft (31.3 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 Quartz Valley Road over Shackleford Creek built?
It was built in 2005, making it 20 years old in 2025.
What condition is Quartz Valley Road over Shackleford 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 June 2024.
How much traffic does Quartz Valley Road over Shackleford Creek carry?
About 400 vehicles per day (2011 count), of which roughly 5% are trucks.
How long is Quartz Valley Road over Shackleford Creek?
The structure is 103 ft (31.3 m) long with a longest span of 103 ft (31.3 m) and a deck 24 ft wide.
Who owns Quartz Valley Road over Shackleford Creek?
It is owned by the County Highway Agency.