Johnsville Road over Jamison Creek
GoodPlumas County, California · 5.1 MI W SH 89 · Structure no. 09C0045
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected October 2021
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 151 ft
- 2 main spans
- Daily traffic
- 560
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Johnsville Road over Jamison Creek is a concrete continuous box beam or girders - multiple carrying Johnsville Road over Jamison Creek in Plumas County, California. It was built in 2003, so it is 22 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 560 vehicles a day, roughly 3% of them trucks, projected to reach 1,152 by 2039. The structure is 151 ft (46 m) long and 31 ft wide. 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Johnsville Road over Jamison Creek built?
It was built in 2003, making it 22 years old in 2025.
What condition is Johnsville Road over Jamison 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 October 2021.
How much traffic does Johnsville Road over Jamison Creek carry?
About 560 vehicles per day (2019 count), of which roughly 3% are trucks.
How long is Johnsville Road over Jamison Creek?
The structure is 151 ft (46 m) long with a longest span of 73 ft (22.3 m) and a deck 31 ft wide.
Who owns Johnsville Road over Jamison Creek?
It is owned by the County Highway Agency.