US Bridges

Trailhead Drive over S.Fork Broad Run

Good

Loudoun County, Virginia · 00.40 FR 620 · Structure no. 000000000030300

Built
2013
12 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
54 ft
5 main spans
Daily traffic
500
2013 count
Owner
State
State Highway Agency

About this bridge

Trailhead Drive over S.Fork Broad Run is a concrete culvert carrying Trailhead Drive over S.Fork Broad Run in Loudoun County, Virginia. It was built in 2013, so it is 12 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 500 vehicles a day, roughly 1% of them trucks, projected to reach 1,500 by 2042. The structure is 54 ft (16.5 m) long and 50 ft wide.

CarriesTrailhead Drive
CrossesS.Fork Broad Run
Location00.40 FR 620
RouteCounty Highway 3395
Coordinates38.93294, -77.58265
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating65 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span10 ft (3 m)
Deck width50 ft (15.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic500 (2013)
Projected traffic1,500 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Trailhead Drive over S.Fork Broad Run built?

It was built in 2013, making it 12 years old in 2025.

What condition is Trailhead Drive over S.Fork Broad Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Trailhead Drive over S.Fork Broad Run carry?

About 500 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Trailhead Drive over S.Fork Broad Run?

The structure is 54 ft (16.5 m) long with a longest span of 10 ft (3 m) and a deck 50 ft wide.

Who owns Trailhead Drive over S.Fork Broad Run?

It is owned by the State Highway Agency.