Afton RD over Main Drain
FairButte County, California · 3 MI E/O Aguas Frias RD · Structure no. 12C0381
- Built
- 1950
- 75 years old
- Condition
- Fair
- inspected March 2025
- Type
- Slab
- Concrete Continuous
- Length
- 43 ft
- 2 main spans
- Daily traffic
- 513
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Afton RD over Main Drain is a concrete continuous slab carrying Afton RD over Main Drain in Butte County, California. It was built in 1950, so it is 75 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 513 vehicles a day, roughly 38% of them trucks, projected to reach 272 by 2047. The structure is 43 ft (13.1 m) long and 33 ft wide. If it were closed, the detour would be 14.3 mi (23 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 | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Afton RD over Main Drain built?
It was built in 1950, making it 75 years old in 2025.
What condition is Afton RD over Main Drain 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 March 2025.
How much traffic does Afton RD over Main Drain carry?
About 513 vehicles per day (2019 count), of which roughly 38% are trucks.
How long is Afton RD over Main Drain?
The structure is 43 ft (13.1 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.
Who owns Afton RD over Main Drain?
It is owned by the County Highway Agency.