US Bridges

Sully Road RTE.28 over Merrybrook Run

Fair

Loudoun County, Virginia · 00.60FR608/00.30TO-TOL.RD · Structure no. 000000000011115

Built
1961
64 years old, rebuilt 1991
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
84,996
2022 count
Owner
State
State Highway Agency

About this bridge

Sully Road RTE.28 over Merrybrook Run is a concrete culvert carrying Sully Road RTE.28 over Merrybrook Run in Loudoun County, Virginia. It was built in 1961 and reconstructed in 1991, so it is 64 years old, older 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 84,996 vehicles a day, roughly 1% of them trucks, projected to reach 124,094 by 2045. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesSully Road RTE.28
CrossesMerrybrook Run
Location00.60FR608/00.30TO-TOL.RD
RouteState Highway 28
CountyLoudoun County
StateVirginia
Coordinates38.95748, -77.42903
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionJuly 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 rating96 US tons
Inventory rating57 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84,996 (2022)
Projected traffic124,094 by 2045
Trucks1%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemYes

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 Sully Road RTE.28 over Merrybrook Run built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1991.

What condition is Sully Road RTE.28 over Merrybrook Run 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 July 2023.

How much traffic does Sully Road RTE.28 over Merrybrook Run carry?

About 84,996 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Sully Road RTE.28 over Merrybrook Run?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m).

Who owns Sully Road RTE.28 over Merrybrook Run?

It is owned by the State Highway Agency.