Turnpike Road over Trinity River
GoodPosted for loadTrinity County, California · Lewiston · Structure no. 05C0032
- Built
- 1902
- 123 years old, rebuilt 1998
- Condition
- Good
- inspected August 2023
- Type
- Truss - Thru
- Steel
- Length
- 315 ft
- 1 main span
- Daily traffic
- 751
- 2010 count
- Owner
- County
- County Highway Agency
About this bridge
Turnpike Road over Trinity River is a steel truss - thru carrying Turnpike Road over Trinity River in Trinity County, California. It was built in 1902 and reconstructed in 1998, so it is 123 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. Its operating status is: posted for load restriction.
It carries about 751 vehicles a day, roughly 1% of them trucks, projected to reach 805 by 2042. The structure is 315 ft (95.9 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Turnpike Road over Trinity River built?
It was built in 1902, making it 123 years old in 2025. It was reconstructed in 1998.
What condition is Turnpike Road over Trinity River 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 Turnpike Road over Trinity River carry?
About 751 vehicles per day (2010 count), of which roughly 1% are trucks.
How long is Turnpike Road over Trinity River?
The structure is 315 ft (95.9 m) long with a longest span of 179 ft (54.7 m) and a deck 16 ft wide.
Who owns Turnpike Road over Trinity River?
It is owned by the County Highway Agency.