US Bridges

Old Keene Mill Rd. over Accotink Creek

Fair

Fairfax County, Virginia · 00.08 1179 / 00.20 6945 · Structure no. 000000000006757

Built
1964
61 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
160 ft
3 main spans
Daily traffic
36,346
2022 count
Owner
State
State Highway Agency

About this bridge

Old Keene Mill Rd. over Accotink Creek is a steel stringer/multi-beam or girder carrying Old Keene Mill Rd. over Accotink Creek in Fairfax County, Virginia. It was built in 1964, so it is 61 years old, older 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 5 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 36,346 vehicles a day, roughly 1% of them trucks, projected to reach 43,733 by 2042. The structure is 160 ft (48.8 m) long and 80 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesOld Keene Mill Rd.
CrossesAccotink Creek
Location00.08 1179 / 00.20 6945
RouteCounty Highway 644
CountyFairfax County
StateVirginia
Coordinates38.77508, -77.20357
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span53 ft (16.2 m)
Deck width80 ft (24.4 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,346 (2022)
Projected traffic43,733 by 2042
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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 Old Keene Mill Rd. over Accotink Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Old Keene Mill Rd. over Accotink Creek 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 January 2024.

How much traffic does Old Keene Mill Rd. over Accotink Creek carry?

About 36,346 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Old Keene Mill Rd. over Accotink Creek?

The structure is 160 ft (48.8 m) long with a longest span of 53 ft (16.2 m) and a deck 80 ft wide.

Who owns Old Keene Mill Rd. over Accotink Creek?

It is owned by the State Highway Agency.