US Bridges

I-95 Exp Ramp Ok-H over RTE.644 Old Keene Mill

Fair

Fairfax County, Virginia · 0.40FR644/1.6TO495EBL · Structure no. 000000000025853

Built
1999
26 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
174 ft
2 main spans
Daily traffic
31,666
2018 count
Owner
State
State Highway Agency

About this bridge

I-95 Exp Ramp Ok-H over RTE.644 Old Keene Mill is a prestressed concrete continuous stringer/multi-beam or girder carrying I-95 Exp Ramp Ok-H 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 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 31,666 vehicles a day, roughly 2% of them trucks, projected to reach 600 by 2042. The structure is 174 ft (53 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-95 Exp Ramp Ok-H
CrossesRTE.644 Old Keene Mill
Location0.40FR644/1.6TO495EBL
RouteInterstate 644
CountyFairfax County
StateVirginia
Coordinates38.77838, -77.18041
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating77.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length174 ft (53 m)
Longest span85 ft (25.9 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,666 (2018)
Projected traffic600 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$250 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-95 Exp Ramp Ok-H over RTE.644 Old Keene Mill built?

It was built in 1999, making it 26 years old in 2025.

What condition is I-95 Exp Ramp Ok-H over RTE.644 Old Keene Mill 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 October 2023.

How much traffic does I-95 Exp Ramp Ok-H over RTE.644 Old Keene Mill carry?

About 31,666 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is I-95 Exp Ramp Ok-H over RTE.644 Old Keene Mill?

The structure is 174 ft (53 m) long with a longest span of 85 ft (25.9 m) and a deck 32 ft wide.

Who owns I-95 Exp Ramp Ok-H over RTE.644 Old Keene Mill?

It is owned by the State Highway Agency.