State Route 3 over Hillside
GoodTrinity County, California · 02-TRI-003-49.71 · Structure no. 05 0078
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 420 ft
- 3 main spans
- Daily traffic
- 865
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 3 over Hillside is a prestressed concrete continuous box beam or girders - multiple carrying State Route 3 over Hillside in Trinity County, California. It was built in 1986, so it is 39 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 865 vehicles a day, projected to reach 741 by 2046. The structure is 420 ft (128 m) long and 35 ft wide. If it were closed, the detour would be 36 mi (58 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 3 over Hillside built?
It was built in 1986, making it 39 years old in 2025.
What condition is State Route 3 over Hillside 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 2024.
How much traffic does State Route 3 over Hillside carry?
About 865 vehicles per day (2009 count).
How long is State Route 3 over Hillside?
The structure is 420 ft (128 m) long with a longest span of 160 ft (48.8 m) and a deck 35 ft wide.
Who owns State Route 3 over Hillside?
It is owned by the State Highway Agency.