US Highway 101 NB over SR 46 (@pm 21.96)
FairSan Luis Obispo County, California · 05-SLO-101-54.11-PSRS · Structure no. 49 0196R
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected October 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 110 ft
- 3 main spans
- Daily traffic
- 27,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 101 NB over SR 46 (@pm 21.96) is a concrete continuous tee beam carrying US Highway 101 NB over SR 46 (@pm 21.96) in San Luis Obispo County, California. It was built in 1966, so it is 59 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 27,000 vehicles a day, roughly 9% of them trucks, projected to reach 36,559 by 2045. The structure is 110 ft (33.5 m) long and 40 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US Highway 101 NB over SR 46 (@pm 21.96) built?
It was built in 1966, making it 59 years old in 2025.
What condition is US Highway 101 NB over SR 46 (@pm 21.96) in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.
How much traffic does US Highway 101 NB over SR 46 (@pm 21.96) carry?
About 27,000 vehicles per day (2009 count), of which roughly 9% are trucks.
How long is US Highway 101 NB over SR 46 (@pm 21.96)?
The structure is 110 ft (33.5 m) long with a longest span of 52 ft (15.8 m) and a deck 40 ft wide.
Who owns US Highway 101 NB over SR 46 (@pm 21.96)?
It is owned by the State Highway Agency.