State Route 299 over Pit River Overflow
FairLassen County, California · 02-LAS-299-12.82 · Structure no. 07 0003
- Built
- 1925
- 100 years old, rebuilt 1986
- Condition
- Fair
- inspected May 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 211 ft
- 7 main spans
- Daily traffic
- 1,800
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 299 over Pit River Overflow is a concrete continuous tee beam carrying State Route 299 over Pit River Overflow in Lassen County, California. It was built in 1925 and reconstructed in 1986, so it is 100 years old, older 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 1,800 vehicles a day, roughly 20% of them trucks, projected to reach 2,040 by 2040. The structure is 211 ft (64.2 m) long and 44 ft wide. If it were closed, the detour would be 19.9 mi (32 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 299 over Pit River Overflow built?
It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1986.
What condition is State Route 299 over Pit 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 State Route 299 over Pit River Overflow carry?
About 1,800 vehicles per day (2009 count), of which roughly 20% are trucks.
How long is State Route 299 over Pit River Overflow?
The structure is 211 ft (64.2 m) long with a longest span of 30 ft (9.1 m) and a deck 44 ft wide.
Who owns State Route 299 over Pit River Overflow?
It is owned by the State Highway Agency.