State Route 299 over Big French Creek
GoodTrinity County, California · 02-TRI-299-23.29 · Structure no. 05 0008
- Built
- 1952
- 73 years old, rebuilt 2014
- Condition
- Good
- inspected January 2025
- Type
- Slab
- Concrete Continuous
- Length
- 100 ft
- 3 main spans
- Daily traffic
- 3,100
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 299 over Big French Creek is a concrete continuous slab carrying State Route 299 over Big French Creek in Trinity County, California. It was built in 1952 and reconstructed in 2014, 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 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 3,100 vehicles a day, projected to reach 2,886 by 2047. The structure is 100 ft (30.5 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 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 Big French Creek built?
It was built in 1952, making it 73 years old in 2025. It was reconstructed in 2014.
What condition is State Route 299 over Big French 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 January 2025.
How much traffic does State Route 299 over Big French Creek carry?
About 3,100 vehicles per day (2009 count).
How long is State Route 299 over Big French Creek?
The structure is 100 ft (30.5 m) long with a longest span of 40 ft (12.2 m) and a deck 35 ft wide.
Who owns State Route 299 over Big French Creek?
It is owned by the State Highway Agency.