San Luis Bay DR over US Highway 101
GoodSan Luis Obispo County, California · 05-SLO-101-R22.30 · Structure no. 49 0192
- Built
- 1963
- 62 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 230 ft
- 2 main spans
- Daily traffic
- 6,321
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
San Luis Bay DR over US Highway 101 is a prestressed concrete continuous stringer/multi-beam or girder carrying San Luis Bay DR over US Highway 101 in San Luis Obispo County, California. It was built in 1963, so it is 62 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 6,321 vehicles a day, roughly 8% of them trucks, projected to reach 9,726 by 2044. The structure is 230 ft (70.1 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was San Luis Bay DR over US Highway 101 built?
It was built in 1963, making it 62 years old in 2025.
What condition is San Luis Bay DR over US Highway 101 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 San Luis Bay DR over US Highway 101 carry?
About 6,321 vehicles per day (2014 count), of which roughly 8% are trucks.
How long is San Luis Bay DR over US Highway 101?
The structure is 230 ft (70.1 m) long with a longest span of 83 ft (25.3 m) and a deck 37 ft wide.
Who owns San Luis Bay DR over US Highway 101?
It is owned by the State Highway Agency.