State Route 46 over Salinas River River RD
FairSan Luis Obispo County, California · 05-SLO-046-29.80-PSRS · Structure no. 49 0035
- Built
- 1992
- 33 years old
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 778 ft
- 5 main spans
- Daily traffic
- 27,100
- 2008 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 46 over Salinas River River RD is a prestressed concrete continuous box beam or girders - multiple carrying State Route 46 over Salinas River River RD 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 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 27,100 vehicles a day, roughly 10% of them trucks, projected to reach 66,938 by 2044. The structure is 778 ft (237.1 m) long and 95 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 46 over Salinas River River RD built?
It was built in 1992, making it 33 years old in 2025.
What condition is State Route 46 over Salinas River River RD 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 September 2024.
How much traffic does State Route 46 over Salinas River River RD carry?
About 27,100 vehicles per day (2008 count), of which roughly 10% are trucks.
How long is State Route 46 over Salinas River River RD?
The structure is 778 ft (237.1 m) long with a longest span of 172 ft (52.4 m) and a deck 95 ft wide.
Who owns State Route 46 over Salinas River River RD?
It is owned by the State Highway Agency.