US Highway 101 SB over ST RTE 1 (@pm 16.77)
GoodSan Luis Obispo County, California · 05-SLO-101-17.74-PBCH · Structure no. 49 0184L
- Built
- 1960
- 65 years old
- Condition
- Good
- inspected July 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 123 ft
- 3 main spans
- Daily traffic
- 28,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 101 SB over ST RTE 1 (@pm 16.77) is a concrete continuous tee beam carrying US Highway 101 SB over ST RTE 1 (@pm 16.77) in San Luis Obispo County, California. It was built in 1960, so it is 65 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 28,000 vehicles a day, roughly 9% of them trucks, projected to reach 48,204 by 2042. The structure is 123 ft (37.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US Highway 101 SB over ST RTE 1 (@pm 16.77) built?
It was built in 1960, making it 65 years old in 2025.
What condition is US Highway 101 SB over ST RTE 1 (@pm 16.77) 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 US Highway 101 SB over ST RTE 1 (@pm 16.77) carry?
About 28,000 vehicles per day (2009 count), of which roughly 9% are trucks.
How long is US Highway 101 SB over ST RTE 1 (@pm 16.77)?
The structure is 123 ft (37.6 m) long with a longest span of 57 ft (17.4 m) and a deck 42 ft wide.
Who owns US Highway 101 SB over ST RTE 1 (@pm 16.77)?
It is owned by the State Highway Agency.