US Bridges

Beach Mill Road over Tributary of Clarks Br.

PoorPosted for load

Fairfax County, Virginia · 00.65FR681/00.02TO5671 · Structure no. 000000000006655

Built
1983
42 years old
Condition
Poor
inspected December 2024
Type
Culvert
Steel
Length
20 ft
3 main spans
Daily traffic
1,425
2022 count
Owner
State
State Highway Agency

About this bridge

Beach Mill Road over Tributary of Clarks Br. is a steel culvert carrying Beach Mill Road over Tributary of Clarks Br. in Fairfax County, Virginia. It was built in 1983, so it is 42 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,425 vehicles a day, roughly 1% of them trucks, projected to reach 1,813 by 2045. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesBeach Mill Road
CrossesTributary of Clarks Br.
Location00.65FR681/00.02TO5671
RouteCounty Highway 603
CountyFairfax County
StateVirginia
Coordinates39.024, -77.28191
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 6 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,425 (2022)
Projected traffic1,813 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$150 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Beach Mill Road over Tributary of Clarks Br. built?

It was built in 1983, making it 42 years old in 2025.

What condition is Beach Mill Road over Tributary of Clarks Br. in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does Beach Mill Road over Tributary of Clarks Br. carry?

About 1,425 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Beach Mill Road over Tributary of Clarks Br.?

The structure is 20 ft (6.1 m) long with a longest span of 7 ft (2.1 m).

Who owns Beach Mill Road over Tributary of Clarks Br.?

It is owned by the State Highway Agency.