State Route 96 over Trinity River
GoodHumboldt County, California · 01-HUM-096-12.26 · Structure no. 04 0137
- Built
- 1957
- 68 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 620 ft
- 4 main spans
- Daily traffic
- 1,505
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 96 over Trinity River is a steel continuous stringer/multi-beam or girder carrying State Route 96 over Trinity River in Humboldt County, California. It was built in 1957, so it is 68 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 1,505 vehicles a day, projected to reach 3,302 by 2046. The structure is 620 ft (189 m) long and 33 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 | 8 Very Good | No problems noted. |
| 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 State Route 96 over Trinity River built?
It was built in 1957, making it 68 years old in 2025.
What condition is State Route 96 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 State Route 96 over Trinity River carry?
About 1,505 vehicles per day (2009 count).
How long is State Route 96 over Trinity River?
The structure is 620 ft (189 m) long with a longest span of 200 ft (61 m) and a deck 33 ft wide.
Who owns State Route 96 over Trinity River?
It is owned by the State Highway Agency.