Del Rio Road over US Highway 101
FairSan Luis Obispo County, California · 05-SLO-101-48.33 · Structure no. 49 0141
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected May 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 166 ft
- 2 main spans
- Daily traffic
- 4,000
- 2005 count
- Owner
- State
- State Highway Agency
About this bridge
Del Rio Road over US Highway 101 is a concrete continuous box beam or girders - multiple carrying Del Rio Road over US Highway 101 in San Luis Obispo County, California. It was built in 1967, so it is 58 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 6 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 4,000 vehicles a day, roughly 5% of them trucks, projected to reach 6,805 by 2045. The structure is 166 ft (50.6 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Del Rio Road over US Highway 101 built?
It was built in 1967, making it 58 years old in 2025.
What condition is Del Rio Road over US Highway 101 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 May 2023.
How much traffic does Del Rio Road over US Highway 101 carry?
About 4,000 vehicles per day (2005 count), of which roughly 5% are trucks.
How long is Del Rio Road over US Highway 101?
The structure is 166 ft (50.6 m) long with a longest span of 82 ft (25 m) and a deck 37 ft wide.
Who owns Del Rio Road over US Highway 101?
It is owned by the State Highway Agency.