US Bridges

Lord Fairfax HWY over Long Marsh Run

Fair

Clarke County, Virginia · 0.80 to 641 - 0.00 to 610 · Structure no. 000000000005399

Built
1980
45 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
47 ft
4 main spans
Daily traffic
12,611
2022 count
Owner
State
State Highway Agency

About this bridge

Lord Fairfax HWY over Long Marsh Run is a concrete culvert carrying Lord Fairfax HWY over Long Marsh Run in Clarke County, Virginia. It was built in 1980, so it is 45 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 12,611 vehicles a day, roughly 1% of them trucks, projected to reach 17,938 by 2045. The structure is 47 ft (14.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesLord Fairfax HWY
CrossesLong Marsh Run
Location0.80 to 641 - 0.00 to 610
RouteU.S. Route 340
CountyClarke County
StateVirginia
Coordinates39.18563, -77.93985
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating97 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length47 ft (14.3 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,611 (2022)
Projected traffic17,938 by 2045
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lord Fairfax HWY over Long Marsh Run built?

It was built in 1980, making it 45 years old in 2025.

What condition is Lord Fairfax HWY over Long Marsh Run 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 2025.

How much traffic does Lord Fairfax HWY over Long Marsh Run carry?

About 12,611 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Lord Fairfax HWY over Long Marsh Run?

The structure is 47 ft (14.3 m) long with a longest span of 9 ft (2.7 m).

Who owns Lord Fairfax HWY over Long Marsh Run?

It is owned by the State Highway Agency.