State Route 154 over Santa Inez River
GoodSanta Barbara County, California · 05-SB-154-R10.12 · Structure no. 51 0079
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 1,017 ft
- 10 main spans
- Daily traffic
- 14,500
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 154 over Santa Inez River is a concrete continuous box beam or girders - multiple carrying State Route 154 over Santa Inez River in Santa Barbara County, California. It was built in 1971, so it is 54 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 14,500 vehicles a day, roughly 5% of them trucks, projected to reach 32,165 by 2043. The structure is 1,017 ft (310 m) long and 42 ft wide. If it were closed, the detour would be 67.1 mi (108 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 State Route 154 over Santa Inez River built?
It was built in 1971, making it 54 years old in 2025.
What condition is State Route 154 over Santa Inez 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 September 2023.
How much traffic does State Route 154 over Santa Inez River carry?
About 14,500 vehicles per day (2009 count), of which roughly 5% are trucks.
How long is State Route 154 over Santa Inez River?
The structure is 1,017 ft (310 m) long with a longest span of 107 ft (32.6 m) and a deck 42 ft wide.
Who owns State Route 154 over Santa Inez River?
It is owned by the State Highway Agency.