State Route 299 over Rattlesnake Creek
GoodModoc County, California · 02-MOD-299-37.80 · Structure no. 03 0008
- Built
- 1980
- 45 years old
- Condition
- Good
- inspected August 2023
- Type
- Slab
- Concrete Continuous
- Length
- 72 ft
- 3 main spans
- Daily traffic
- 3,000
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 299 over Rattlesnake Creek is a concrete continuous slab carrying State Route 299 over Rattlesnake Creek in Modoc County, California. It was built in 1980, so it is 45 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 3,000 vehicles a day, roughly 20% of them trucks, projected to reach 3,356 by 2040. The structure is 72 ft (21.9 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 299 over Rattlesnake Creek built?
It was built in 1980, making it 45 years old in 2025.
What condition is State Route 299 over Rattlesnake Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.
How much traffic does State Route 299 over Rattlesnake Creek carry?
About 3,000 vehicles per day (2015 count), of which roughly 20% are trucks.
How long is State Route 299 over Rattlesnake Creek?
The structure is 72 ft (21.9 m) long with a longest span of 28 ft (8.5 m) and a deck 44 ft wide.
Who owns State Route 299 over Rattlesnake Creek?
It is owned by the State Highway Agency.