Patterson Avenue over Atascadero Creek
FairSanta Barbara County, California · 1.0 MI S Hollister Ave · Structure no. 51C0185
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected March 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 177 ft
- 2 main spans
- Daily traffic
- 2,711
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
Patterson Avenue over Atascadero Creek is a concrete continuous box beam or girders - multiple carrying Patterson Avenue over Atascadero Creek in Santa Barbara County, California. It was built in 1967, so it is 58 years old, older 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 2,711 vehicles a day, roughly 13% of them trucks, projected to reach 5,272 by 2043. The structure is 177 ft (53.9 m) long and 38 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Patterson Avenue over Atascadero Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is Patterson Avenue over Atascadero 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 March 2023.
How much traffic does Patterson Avenue over Atascadero Creek carry?
About 2,711 vehicles per day (2011 count), of which roughly 13% are trucks.
How long is Patterson Avenue over Atascadero Creek?
The structure is 177 ft (53.9 m) long with a longest span of 87 ft (26.5 m) and a deck 38 ft wide.
Who owns Patterson Avenue over Atascadero Creek?
It is owned by the County Highway Agency.