US Highway 101 NB over ST RTE 46 (@pm 29.76)
GoodSan Luis Obispo County, California · 05-SLO-101-57.91-PSRS · Structure no. 49 0165R
- Built
- 1992
- 33 years old
- Condition
- Good
- inspected November 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 174 ft
- 3 main spans
- Daily traffic
- 15,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 101 NB over ST RTE 46 (@pm 29.76) is a prestressed concrete continuous box beam or girders - multiple carrying US Highway 101 NB over ST RTE 46 (@pm 29.76) in San Luis Obispo County, California. It was built in 1992, so it is 33 years old, younger 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 15,000 vehicles a day, roughly 11% of them trucks, projected to reach 30,824 by 2043. The structure is 174 ft (53 m) long and 43 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US Highway 101 NB over ST RTE 46 (@pm 29.76) built?
It was built in 1992, making it 33 years old in 2025.
What condition is US Highway 101 NB over ST RTE 46 (@pm 29.76) 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 November 2023.
How much traffic does US Highway 101 NB over ST RTE 46 (@pm 29.76) carry?
About 15,000 vehicles per day (2009 count), of which roughly 11% are trucks.
How long is US Highway 101 NB over ST RTE 46 (@pm 29.76)?
The structure is 174 ft (53 m) long with a longest span of 98 ft (29.9 m) and a deck 43 ft wide.
Who owns US Highway 101 NB over ST RTE 46 (@pm 29.76)?
It is owned by the State Highway Agency.