US Bridges

Lees Corner Road over Flatlick Branch

Good

Fairfax County, Virginia · 00.10FR.7158/00.10TO7153 · Structure no. 000000000024702

Built
1996
29 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
7,007
2022 count
Owner
State
State Highway Agency

About this bridge

Lees Corner Road over Flatlick Branch is a concrete culvert carrying Lees Corner Road over Flatlick Branch in Fairfax County, Virginia. It was built in 1996, so it is 29 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 7,007 vehicles a day, roughly 1% of them trucks, projected to reach 8,760 by 2045. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesLees Corner Road
CrossesFlatlick Branch
Location00.10FR.7158/00.10TO7153
RouteCounty Highway 645
CountyFairfax County
StateVirginia
Coordinates38.89092, -77.41379
Functional classUrban Collector

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 inspectionFebruary 2023
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 rating67 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.1 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 traffic7,007 (2022)
Projected traffic8,760 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Lees Corner Road over Flatlick Branch built?

It was built in 1996, making it 29 years old in 2025.

What condition is Lees Corner Road over Flatlick 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 February 2023.

How much traffic does Lees Corner Road over Flatlick Branch carry?

About 7,007 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Lees Corner Road over Flatlick Branch?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns Lees Corner Road over Flatlick Branch?

It is owned by the State Highway Agency.