US Highway 101 SB over Hillside
GoodDel Norte County, California · 01-DN-101-21.01 · Structure no. 01 0076
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 179 ft
- 2 main spans
- Daily traffic
- 4,650
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 101 SB over Hillside is a prestressed concrete continuous stringer/multi-beam or girder carrying US Highway 101 SB over Hillside in Del Norte County, California. It was built in 2001, so it is 24 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 4,650 vehicles a day, projected to reach 6,121 by 2043. The structure is 179 ft (54.7 m) long and 25 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US Highway 101 SB over Hillside built?
It was built in 2001, making it 24 years old in 2025.
What condition is US Highway 101 SB 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 2023.
How much traffic does US Highway 101 SB over Hillside carry?
About 4,650 vehicles per day (2009 count).
How long is US Highway 101 SB over Hillside?
The structure is 179 ft (54.7 m) long with a longest span of 88 ft (26.7 m) and a deck 25 ft wide.
Who owns US Highway 101 SB over Hillside?
It is owned by the State Highway Agency.