Denny Road over Trinity River
GoodTrinity County, California · 0.2 MI E JCT SR 299 · Structure no. 05C0119
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 470 ft
- 2 main spans
- Daily traffic
- 302
- 2016 count
- Owner
- County
- County Highway Agency
About this bridge
Denny Road over Trinity River is a steel continuous stringer/multi-beam or girder carrying Denny Road over Trinity River in Trinity County, California. It was built in 1989, so it is 36 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 302 vehicles a day, roughly 5% of them trucks, projected to reach 650 by 2042. The structure is 470 ft (143.3 m) long and 36 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 Denny Road over Trinity River built?
It was built in 1989, making it 36 years old in 2025.
What condition is Denny 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 September 2024.
How much traffic does Denny Road over Trinity River carry?
About 302 vehicles per day (2016 count), of which roughly 5% are trucks.
How long is Denny Road over Trinity River?
The structure is 470 ft (143.3 m) long with a longest span of 215 ft (65.5 m) and a deck 36 ft wide.
Who owns Denny Road over Trinity River?
It is owned by the County Highway Agency.