Corona RD over U.S. Highway 101
FairSonoma County, California · 04-SON-101-6.83-PET · Structure no. 20 0160
- Built
- 1955
- 70 years old
- Condition
- Fair
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 351 ft
- 7 main spans
- Daily traffic
- 6,500
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Corona RD over U.S. Highway 101 is a concrete continuous box beam or girders - multiple carrying Corona RD over U.S. Highway 101 in Sonoma County, California. It was built in 1955, so it is 70 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 6,500 vehicles a day, roughly 5% of them trucks, projected to reach 5,433 by 2046. The structure is 351 ft (107 m) long and 36 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Corona RD over U.S. Highway 101 built?
It was built in 1955, making it 70 years old in 2025.
What condition is Corona RD over U.S. 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 April 2024.
How much traffic does Corona RD over U.S. Highway 101 carry?
About 6,500 vehicles per day (2009 count), of which roughly 5% are trucks.
How long is Corona RD over U.S. Highway 101?
The structure is 351 ft (107 m) long with a longest span of 50 ft (15.2 m) and a deck 36 ft wide.
Who owns Corona RD over U.S. Highway 101?
It is owned by the State Highway Agency.