US Highway 101 SB over Hillside
FairDel Norte County, California · 01-DN-101-21.40 · Structure no. 01 0079
- Built
- 2005
- 20 years old
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 202 ft
- 3 main spans
- Daily traffic
- 5,000
- 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 2005, so it is 20 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 5,000 vehicles a day, roughly 15% of them trucks, projected to reach 7,569 by 2043. The structure is 202 ft (61.5 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 2005, making it 20 years old in 2025.
What condition is US Highway 101 SB over Hillside in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.
How much traffic does US Highway 101 SB over Hillside carry?
About 5,000 vehicles per day (2009 count), of which roughly 15% are trucks.
How long is US Highway 101 SB over Hillside?
The structure is 202 ft (61.5 m) long with a longest span of 67 ft (20.5 m) and a deck 34 ft wide.
Who owns US Highway 101 SB over Hillside?
It is owned by the State Highway Agency.