Richvale W RD over High Gravity Lateral
FairButte County, California · 0.5 MI E Wickman RD · Structure no. 12C0390
- Built
- 1947
- 78 years old, rebuilt 1985
- Condition
- Fair
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 30 ft
- 4 main spans
- Daily traffic
- 274
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Richvale W RD over High Gravity Lateral is a steel continuous stringer/multi-beam or girder carrying Richvale W RD over High Gravity Lateral in Butte County, California. It was built in 1947 and reconstructed in 1985, so it is 78 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 274 vehicles a day, roughly 12% of them trucks, projected to reach 817 by 2047. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 14.9 mi (24 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Richvale W RD over High Gravity Lateral built?
It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1985.
What condition is Richvale W RD over High Gravity Lateral 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 February 2025.
How much traffic does Richvale W RD over High Gravity Lateral carry?
About 274 vehicles per day (2019 count), of which roughly 12% are trucks.
How long is Richvale W RD over High Gravity Lateral?
The structure is 30 ft (9.1 m) long with a longest span of 8 ft (2.3 m) and a deck 24 ft wide.
Who owns Richvale W RD over High Gravity Lateral?
It is owned by the County Highway Agency.