State Route 166 over Cottonwood Creek
FairSanta Barbara County, California · 05-SB-166-R51.41 · Structure no. 51 0059
- Built
- 1980
- 45 years old
- Condition
- Fair
- inspected December 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 180 ft
- 2 main spans
- Daily traffic
- 2,900
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 166 over Cottonwood Creek is a concrete continuous box beam or girders - multiple carrying State Route 166 over Cottonwood Creek in Santa Barbara County, California. It was built in 1980, so it is 45 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 5 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 2,900 vehicles a day, projected to reach 4,665 by 2042. The structure is 180 ft (54.9 m) long and 35 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 166 over Cottonwood Creek built?
It was built in 1980, making it 45 years old in 2025.
What condition is State Route 166 over Cottonwood Creek 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 December 2024.
How much traffic does State Route 166 over Cottonwood Creek carry?
About 2,900 vehicles per day (2009 count).
How long is State Route 166 over Cottonwood Creek?
The structure is 180 ft (54.9 m) long with a longest span of 90 ft (27.4 m) and a deck 35 ft wide.
Who owns State Route 166 over Cottonwood Creek?
It is owned by the State Highway Agency.