Chappius Lane over Susan River
FairLassen County, California · 1.5 MI N of SH 395 · Structure no. 07C0058
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 107 ft
- 4 main spans
- Daily traffic
- 300
- 1984 count
- Owner
- County
- County Highway Agency
About this bridge
Chappius Lane over Susan River is a concrete continuous slab carrying Chappius Lane over Susan River in Lassen County, California. It was built in 1986, so it is 39 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 6 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 300 vehicles a day, roughly 8% of them trucks, projected to reach 383 by 2042. The structure is 107 ft (32.5 m) long and 27 ft wide. If it were closed, the detour would be 11.2 mi (18 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Chappius Lane over Susan River built?
It was built in 1986, making it 39 years old in 2025.
What condition is Chappius Lane over Susan River 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 August 2024.
How much traffic does Chappius Lane over Susan River carry?
About 300 vehicles per day (1984 count), of which roughly 8% are trucks.
How long is Chappius Lane over Susan River?
The structure is 107 ft (32.5 m) long with a longest span of 26 ft (8 m) and a deck 27 ft wide.
Who owns Chappius Lane over Susan River?
It is owned by the County Highway Agency.