US Bridges

I-95 Nbl over RTE.644 Old Keene Mill

Fair

Fairfax County, Virginia · 0.62FR7900/1.60TO495EBL · Structure no. 000000000025854

Built
1999
26 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
174 ft
2 main spans
Daily traffic
121,280
2022 count
Owner
State
State Highway Agency

About this bridge

I-95 Nbl over RTE.644 Old Keene Mill is a prestressed concrete continuous stringer/multi-beam or girder carrying I-95 Nbl 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 121,280 vehicles a day, projected to reach 135,227 by 2042. The structure is 174 ft (53 m) long and 48 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesI-95 Nbl
CrossesRTE.644 Old Keene Mill
Location0.62FR7900/1.60TO495EBL
RouteInterstate 95
CountyFairfax County
StateVirginia
Coordinates38.8359, -77.18026
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 inspectionFebruary 2024
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 rating74.8 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 width48 ft (14.6 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic121,280 (2022)
Projected traffic135,227 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes

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$200 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-95 Nbl over RTE.644 Old Keene Mill built?

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

What condition is I-95 Nbl 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 February 2024.

How much traffic does I-95 Nbl over RTE.644 Old Keene Mill carry?

About 121,280 vehicles per day (2022 count).

How long is I-95 Nbl 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 48 ft wide.

Who owns I-95 Nbl over RTE.644 Old Keene Mill?

It is owned by the State Highway Agency.