Old Blue Lake Road over South Fork Pit River
FairModoc County, California · 6 MI E of Likely · Structure no. 050953000003001
- Built
- 1952
- 73 years old
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Concrete
- Length
- 42 ft
- 1 main span
- Daily traffic
- 50
- Owner
- Federal
- U.S. Forest Service
About this bridge
Old Blue Lake Road over South Fork Pit River is a concrete stringer/multi-beam or girder carrying Old Blue Lake Road over South Fork Pit River in Modoc County, California. It was built in 1952, so it is 73 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 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 42 ft (12.9 m) long and 16 ft wide. If it were closed, the detour would be 9.9 mi (16 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 Old Blue Lake Road over South Fork Pit River built?
It was built in 1952, making it 73 years old in 2025.
What condition is Old Blue Lake Road over South Fork Pit 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 2023.
How much traffic does Old Blue Lake Road over South Fork Pit River carry?
About 50 vehicles per day (latest count).
How long is Old Blue Lake Road over South Fork Pit River?
The structure is 42 ft (12.9 m) long with a longest span of 42 ft (12.9 m) and a deck 16 ft wide.
Who owns Old Blue Lake Road over South Fork Pit River?
It is owned by the U.S. Forest Service.