US Bridges

Sycolin Road over Rte. 267-DULLES Greenway

Fair

Loudoun County, Virginia · 00.03FR648/00.70TO653 · Structure no. 000000000024221

Built
1994
31 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
405 ft
3 main spans
Daily traffic
11,403
2022 count
Owner
State
State Highway Agency

About this bridge

Sycolin Road over Rte. 267-DULLES Greenway is a steel continuous stringer/multi-beam or girder carrying Sycolin Road over Rte. 267-DULLES Greenway in Loudoun County, Virginia. It was built in 1994, so it is 31 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 405 ft (123.4 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
CrossesRte. 267-DULLES Greenway
Location00.03FR648/00.70TO653
RouteCounty Highway 643
CountyLoudoun County
StateVirginia
Coordinates39.04909, -77.54566
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.9 US tons
Inventory rating70.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length405 ft (123.4 m)
Longest span181 ft (55.2 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$25 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sycolin Road over Rte. 267-DULLES Greenway built?

It was built in 1994, making it 31 years old in 2025.

What condition is Sycolin Road over Rte. 267-DULLES Greenway 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 Rte. 267-DULLES Greenway carry?

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

How long is Sycolin Road over Rte. 267-DULLES Greenway?

The structure is 405 ft (123.4 m) long with a longest span of 181 ft (55.2 m) and a deck 33 ft wide.

Who owns Sycolin Road over Rte. 267-DULLES Greenway?

It is owned by the State Highway Agency.