U.S. Highway 101 over Brisco RD
GoodSan Luis Obispo County, California · 05-SLO-101-13.75-ARGD · Structure no. 49 0154
- Built
- 1956
- 69 years old, rebuilt 2013
- Condition
- Good
- inspected January 2024
- Type
- Frame
- Concrete
- Length
- 45 ft
- 1 main span
- Daily traffic
- 56,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. Highway 101 over Brisco RD is a concrete frame carrying U.S. Highway 101 over Brisco RD in San Luis Obispo County, California. It was built in 1956 and reconstructed in 2013, so it is 69 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 56,000 vehicles a day, roughly 9% of them trucks, projected to reach 105,161 by 2044. The structure is 45 ft (13.7 m) long and 107 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was U.S. Highway 101 over Brisco RD built?
It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2013.
What condition is U.S. Highway 101 over Brisco RD 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 January 2024.
How much traffic does U.S. Highway 101 over Brisco RD carry?
About 56,000 vehicles per day (2009 count), of which roughly 9% are trucks.
How long is U.S. Highway 101 over Brisco RD?
The structure is 45 ft (13.7 m) long with a longest span of 40 ft (12.2 m) and a deck 107 ft wide.
Who owns U.S. Highway 101 over Brisco RD?
It is owned by the State Highway Agency.