U.S. Highway 395 over Susan River Overflow
FairLassen County, California · 02-LAS-395-R71.92 · Structure no. 07 0081
- Built
- 1992
- 33 years old
- Condition
- Fair
- inspected May 2023
- Type
- Slab
- Concrete Continuous
- Length
- 300 ft
- 10 main spans
- Daily traffic
- 1,700
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. Highway 395 over Susan River Overflow is a concrete continuous slab carrying U.S. Highway 395 over Susan River Overflow in Lassen County, California. It was built in 1992, so it is 33 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 5 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 1,700 vehicles a day, roughly 18% of them trucks, projected to reach 4,897 by 2040. The structure is 300 ft (91.4 m) long and 44 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was U.S. Highway 395 over Susan River Overflow built?
It was built in 1992, making it 33 years old in 2025.
What condition is U.S. Highway 395 over Susan River Overflow 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 May 2023.
How much traffic does U.S. Highway 395 over Susan River Overflow carry?
About 1,700 vehicles per day (2009 count), of which roughly 18% are trucks.
How long is U.S. Highway 395 over Susan River Overflow?
The structure is 300 ft (91.4 m) long with a longest span of 32 ft (9.8 m) and a deck 44 ft wide.
Who owns U.S. Highway 395 over Susan River Overflow?
It is owned by the State Highway Agency.