Dobyns Road 631 over South Mayo River
FairPatrick County, Virginia · 1.07 Rt 787; 0.70 Rt 815 · Structure no. 000000000013282
- Built
- 1983
- 42 years old
- Condition
- Fair
- inspected August 2023
- Type
- Culvert
- Concrete
- Length
- 45 ft
- 4 main spans
- Daily traffic
- 411
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Dobyns Road 631 over South Mayo River is a concrete culvert carrying Dobyns Road 631 over South Mayo River in Patrick County, Virginia. It was built in 1983, so it is 42 years old, younger than the Virginia average of 50.7 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 411 vehicles a day, roughly 1% of them trucks, projected to reach 458 by 2045. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 6.2 mi (10 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Dobyns Road 631 over South Mayo River built?
It was built in 1983, making it 42 years old in 2025.
What condition is Dobyns Road 631 over South Mayo River 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 August 2023.
How much traffic does Dobyns Road 631 over South Mayo River carry?
About 411 vehicles per day (2022 count), of which roughly 1% are trucks.
How long is Dobyns Road 631 over South Mayo River?
The structure is 45 ft (13.7 m) long with a longest span of 10 ft (3 m).
Who owns Dobyns Road 631 over South Mayo River?
It is owned by the State Highway Agency.