Road M01 over Rattlesnake Creek
FairLake County, California · 40 Mi. North of Upperlake · Structure no. 050854000001009
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected August 2023
- Type
- Box Beam or Girders - Multiple
- Concrete
- Length
- 228 ft
- 1 main span
- Daily traffic
- 20
- 1992 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
Road M01 over Rattlesnake Creek is a concrete box beam or girders - multiple carrying Road M01 over Rattlesnake Creek in Lake County, California. It was built in 1966, so it is 59 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 20 vehicles a day, projected to reach 30 by 2045. The structure is 228 ft (69.6 m) long and 29 ft wide. If it were closed, the detour would be 12.4 mi (20 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 | 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 Road M01 over Rattlesnake Creek built?
It was built in 1966, making it 59 years old in 2025.
What condition is Road M01 over Rattlesnake Creek 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 Road M01 over Rattlesnake Creek carry?
About 20 vehicles per day (1992 count).
How long is Road M01 over Rattlesnake Creek?
The structure is 228 ft (69.6 m) long with a longest span of 105 ft (32 m) and a deck 29 ft wide.
Who owns Road M01 over Rattlesnake Creek?
It is owned by the U.S. Forest Service.