US Highway 101 SB over Santa Ynez River
GoodSanta Barbara County, California · 05-SB-101-R56.64 · Structure no. 51 0221L
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 1,000 ft
- 11 main spans
- Daily traffic
- 11,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 101 SB over Santa Ynez River is a concrete continuous box beam or girders - multiple carrying US Highway 101 SB over Santa Ynez River in Santa Barbara County, California. It was built in 1965, so it is 60 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 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 11,000 vehicles a day, projected to reach 17,988 by 2043. The structure is 1,000 ft (304.8 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 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. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US Highway 101 SB over Santa Ynez River built?
It was built in 1965, making it 60 years old in 2025.
What condition is US Highway 101 SB over Santa Ynez River 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 2023.
How much traffic does US Highway 101 SB over Santa Ynez River carry?
About 11,000 vehicles per day (2009 count).
How long is US Highway 101 SB over Santa Ynez River?
The structure is 1,000 ft (304.8 m) long with a longest span of 95 ft (29 m) and a deck 34 ft wide.
Who owns US Highway 101 SB over Santa Ynez River?
It is owned by the State Highway Agency.