I-95 NB Ramp S-Ok over RTE.644 Old Keene Mill
GoodFairfax County, Virginia · 00.25FR617/00.16TO789 · Structure no. 000000000025856
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 172 ft
- 2 main spans
- Daily traffic
- 1,441
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I-95 NB Ramp S-Ok over RTE.644 Old Keene Mill is a prestressed concrete continuous stringer/multi-beam or girder carrying I-95 NB Ramp S-Ok over RTE.644 Old Keene Mill in Fairfax County, Virginia. It was built in 1999, so it is 26 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 1,441 vehicles a day, roughly 8% of them trucks, projected to reach 2,104 by 2045. The structure is 172 ft (52.4 m) long and 77 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
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 I-95 NB Ramp S-Ok over RTE.644 Old Keene Mill built?
It was built in 1999, making it 26 years old in 2025.
What condition is I-95 NB Ramp S-Ok 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 October 2023.
How much traffic does I-95 NB Ramp S-Ok over RTE.644 Old Keene Mill carry?
About 1,441 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is I-95 NB Ramp S-Ok over RTE.644 Old Keene Mill?
The structure is 172 ft (52.4 m) long with a longest span of 87 ft (26.5 m) and a deck 77 ft wide.
Who owns I-95 NB Ramp S-Ok over RTE.644 Old Keene Mill?
It is owned by the State Highway Agency.