US Bridges

Herndon Parkway over Folly Lick Branch

Good

Fairfax County, Virginia · 0.35 FR 679 & 0.55 to 000 · Structure no. 000000000025063

Built
1997
28 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
9,046
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Herndon Parkway over Folly Lick Branch is a concrete culvert carrying Herndon Parkway over Folly Lick Branch in Fairfax County, Virginia. It was built in 1997, so it is 28 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 9,046 vehicles a day, projected to reach 11,382 by 2042. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHerndon Parkway
CrossesFolly Lick Branch
Location0.35 FR 679 & 0.55 to 000
RouteState Highway 228
CountyFairfax County
StateVirginia
Coordinates38.97875, -77.39349
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,046 (2022)
Projected traffic11,382 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$2.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Herndon Parkway over Folly Lick Branch built?

It was built in 1997, making it 28 years old in 2025.

What condition is Herndon Parkway over Folly Lick Branch 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 August 2024.

How much traffic does Herndon Parkway over Folly Lick Branch carry?

About 9,046 vehicles per day (2022 count).

How long is Herndon Parkway over Folly Lick Branch?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m).

Who owns Herndon Parkway over Folly Lick Branch?

It is owned by the Town or Township Highway Agency.