U.S. Highway 101 over Hillside
GoodVentura County, California · 07-VEN-101-10.56-CMRL · Structure no. 52 0414
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected July 2022
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 950 ft
- 11 main spans
- Daily traffic
- 134,000
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. Highway 101 over Hillside is a concrete continuous box beam or girders - multiple carrying U.S. Highway 101 over Hillside in Ventura County, California. It was built in 1987, so it is 38 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 134,000 vehicles a day, roughly 8% of them trucks, projected to reach 168,679 by 2042. The structure is 950 ft (289.6 m) long and 12 ft wide. If it were closed, the detour would be 14.9 mi (24 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 U.S. Highway 101 over Hillside built?
It was built in 1987, making it 38 years old in 2025.
What condition is U.S. Highway 101 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 July 2022.
How much traffic does U.S. Highway 101 over Hillside carry?
About 134,000 vehicles per day (2018 count), of which roughly 8% are trucks.
How long is U.S. Highway 101 over Hillside?
The structure is 950 ft (289.6 m) long with a longest span of 90 ft (27.4 m) and a deck 12 ft wide.
Who owns U.S. Highway 101 over Hillside?
It is owned by the State Highway Agency.