US Bridges

Old Keene Mill Rd. over Pohick Creek

Fair

Fairfax County, Virginia · 00.15FR1031/00.15TO4521 · Structure no. 000000000006755

Built
1974
51 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
123 ft
3 main spans
Daily traffic
33,284
2022 count
Owner
State
State Highway Agency

About this bridge

Old Keene Mill Rd. over Pohick Creek is a steel stringer/multi-beam or girder carrying Old Keene Mill Rd. over Pohick Creek in Fairfax County, Virginia. It was built in 1974, so it is 51 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 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 33,284 vehicles a day, roughly 1% of them trucks, projected to reach 37,112 by 2045. The structure is 123 ft (37.4 m) long and 85 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesOld Keene Mill Rd.
CrossesPohick Creek
Location00.15FR1031/00.15TO4521
RouteCounty Highway 644
CountyFairfax County
StateVirginia
Coordinates38.77501, -77.24602
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.9 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length123 ft (37.4 m)
Longest span40 ft (12.2 m)
Deck width85 ft (25.8 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,284 (2022)
Projected traffic37,112 by 2045
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$250 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Keene Mill Rd. over Pohick Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Old Keene Mill Rd. over Pohick 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 May 2023.

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

About 33,284 vehicles per day (2022 count), of which roughly 1% are trucks.

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

The structure is 123 ft (37.4 m) long with a longest span of 40 ft (12.2 m) and a deck 85 ft wide.

Who owns Old Keene Mill Rd. over Pohick Creek?

It is owned by the State Highway Agency.