U.S. Highway 101 over Tamarisk Drain
GoodVentura County, California · 07-VEN-101-19.42-OXN · Structure no. 52 0172
- Built
- 1926
- 99 years old, rebuilt 1955
- Condition
- Good
- inspected July 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 27 ft
- 3 main spans
- Daily traffic
- 144,000
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. Highway 101 over Tamarisk Drain is a concrete continuous culvert carrying U.S. Highway 101 over Tamarisk Drain in Ventura County, California. It was built in 1926 and reconstructed in 1955, so it is 99 years old, older 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 144,000 vehicles a day, roughly 8% of them trucks, projected to reach 214,560 by 2042. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was U.S. Highway 101 over Tamarisk Drain built?
It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1955.
What condition is U.S. Highway 101 over Tamarisk Drain 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 2024.
How much traffic does U.S. Highway 101 over Tamarisk Drain carry?
About 144,000 vehicles per day (2018 count), of which roughly 8% are trucks.
How long is U.S. Highway 101 over Tamarisk Drain?
The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m).
Who owns U.S. Highway 101 over Tamarisk Drain?
It is owned by the State Highway Agency.