Amherst Ave. #6446 over RTE.644 Old Keene Mill
GoodFairfax County, Virginia · 00.10FR F271/00.12TO1155 · Structure no. 000000000025180
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 161 ft
- 2 main spans
- Daily traffic
- 27,696
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Amherst Ave. #6446 over RTE.644 Old Keene Mill is a prestressed concrete stringer/multi-beam or girder carrying Amherst Ave. #6446 over RTE.644 Old Keene Mill in Fairfax County, Virginia. It was built in 2000, so it is 25 years old, younger than the Virginia average of 50.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 27,696 vehicles a day, roughly 1% of them trucks, projected to reach 30,881 by 2042. The structure is 161 ft (49.1 m) long and 93 ft wide.
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 Amherst Ave. #6446 over RTE.644 Old Keene Mill built?
It was built in 2000, making it 25 years old in 2025.
What condition is Amherst Ave. #6446 over RTE.644 Old Keene Mill in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.
How much traffic does Amherst Ave. #6446 over RTE.644 Old Keene Mill carry?
About 27,696 vehicles per day (2022 count), of which roughly 1% are trucks.
How long is Amherst Ave. #6446 over RTE.644 Old Keene Mill?
The structure is 161 ft (49.1 m) long with a longest span of 81 ft (24.7 m) and a deck 93 ft wide.
Who owns Amherst Ave. #6446 over RTE.644 Old Keene Mill?
It is owned by the State Highway Agency.