US Bridges

Stringfellow Rd. over Trib. Flatlick Branch.

Fair

Fairfax County, Virginia · 00.35FR50/00.55TO286 · Structure no. 000000000007092

Built
1988
37 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
38 ft
4 main spans
Daily traffic
6,169
2022 count
Owner
State
State Highway Agency

About this bridge

Stringfellow Rd. over Trib. Flatlick Branch. is a concrete culvert carrying Stringfellow Rd. over Trib. Flatlick Branch. in Fairfax County, Virginia. It was built in 1988, so it is 37 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 6,169 vehicles a day, roughly 1% of them trucks, projected to reach 6,309 by 2045. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesStringfellow Rd.
CrossesTrib. Flatlick Branch.
Location00.35FR50/00.55TO286
RouteCounty Highway 7155
CountyFairfax County
StateVirginia
Coordinates38.8891, -77.40503
Functional classUrban Minor Arterial

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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating72 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length38 ft (11.6 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 traffic6,169 (2022)
Projected traffic6,309 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$125 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Stringfellow Rd. over Trib. Flatlick Branch. built?

It was built in 1988, making it 37 years old in 2025.

What condition is Stringfellow Rd. over Trib. Flatlick Branch. 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 April 2023.

How much traffic does Stringfellow Rd. over Trib. Flatlick Branch. carry?

About 6,169 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Stringfellow Rd. over Trib. Flatlick Branch.?

The structure is 38 ft (11.6 m) long with a longest span of 9 ft (2.7 m).

Who owns Stringfellow Rd. over Trib. Flatlick Branch.?

It is owned by the State Highway Agency.