US Bridges

Sycolin Road over Dulles GREENWAY-RTE.267

Fair

Loudoun County, Virginia · 01.25FR648/00.35TO659 · Structure no. 000000000024453

Built
1995
30 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
296 ft
2 main spans
Daily traffic
11,403
2022 count
Owner
State
State Highway Agency

About this bridge

Sycolin Road over Dulles GREENWAY-RTE.267 is a steel continuous stringer/multi-beam or girder carrying Sycolin Road over Dulles GREENWAY-RTE.267 in Loudoun County, Virginia. It was built in 1995, so it is 30 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 11,403 vehicles a day, roughly 2% of them trucks, projected to reach 16,648 by 2042. The structure is 296 ft (90.2 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSycolin Road
CrossesDulles GREENWAY-RTE.267
Location01.25FR648/00.35TO659
RouteCounty Highway 643
CountyLoudoun County
StateVirginia
Coordinates39.04149, -77.52742
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating69.8 US tons
Inventory rating53.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length296 ft (90.2 m)
Longest span154 ft (46.9 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,403 (2022)
Projected traffic16,648 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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$2.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sycolin Road over Dulles GREENWAY-RTE.267 built?

It was built in 1995, making it 30 years old in 2025.

What condition is Sycolin Road over Dulles GREENWAY-RTE.267 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 March 2024.

How much traffic does Sycolin Road over Dulles GREENWAY-RTE.267 carry?

About 11,403 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Sycolin Road over Dulles GREENWAY-RTE.267?

The structure is 296 ft (90.2 m) long with a longest span of 154 ft (46.9 m) and a deck 33 ft wide.

Who owns Sycolin Road over Dulles GREENWAY-RTE.267?

It is owned by the State Highway Agency.