US Highway 101 SB over Arroyo Grande Creek
GoodSan Luis Obispo County, California · 05-SLO-101-13.02-ARGD · Structure no. 49 0175L
- Built
- 1959
- 66 years old
- Condition
- Good
- inspected January 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 172 ft
- 5 main spans
- Daily traffic
- 24,000
- 2012 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 101 SB over Arroyo Grande Creek is a concrete continuous tee beam carrying US Highway 101 SB over Arroyo Grande Creek in San Luis Obispo County, California. It was built in 1959, so it is 66 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 24,000 vehicles a day, roughly 9% of them trucks, projected to reach 47,751 by 2044. The structure is 172 ft (52.4 m) long and 43 ft wide.
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 US Highway 101 SB over Arroyo Grande Creek built?
It was built in 1959, making it 66 years old in 2025.
What condition is US Highway 101 SB over Arroyo Grande Creek 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 US Highway 101 SB over Arroyo Grande Creek carry?
About 24,000 vehicles per day (2012 count), of which roughly 9% are trucks.
How long is US Highway 101 SB over Arroyo Grande Creek?
The structure is 172 ft (52.4 m) long with a longest span of 38 ft (11.6 m) and a deck 43 ft wide.
Who owns US Highway 101 SB over Arroyo Grande Creek?
It is owned by the State Highway Agency.