State Route 254 over Hillside
GoodHumboldt County, California · 01-HUM-254-11.83 · Structure no. 04 0292
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 379 ft
- 11 main spans
- Daily traffic
- 565
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 254 over Hillside is a concrete continuous slab carrying State Route 254 over Hillside in Humboldt 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 565 vehicles a day, roughly 6% of them trucks, projected to reach 1,472 by 2042. The structure is 379 ft (115.5 m) long and 18 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 254 over Hillside built?
It was built in 1989, making it 36 years old in 2025.
What condition is State Route 254 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 254 over Hillside carry?
About 565 vehicles per day (2009 count), of which roughly 6% are trucks.
How long is State Route 254 over Hillside?
The structure is 379 ft (115.5 m) long with a longest span of 36 ft (11 m) and a deck 18 ft wide.
Who owns State Route 254 over Hillside?
It is owned by the State Highway Agency.