US Bridges

Algonkian Parkway over Tributary Sugarland_run

Fair

Loudoun County, Virginia · 00.40FR792/00.56TO1639 · Structure no. 000000000023439

Built
1992
33 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
22 ft
3 main spans
Daily traffic
16,940
2022 count
Owner
State
State Highway Agency

About this bridge

Algonkian Parkway over Tributary Sugarland_run is a concrete culvert carrying Algonkian Parkway over Tributary Sugarland_run in Loudoun County, Virginia. It was built in 1992, so it is 33 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 16,940 vehicles a day, roughly 1% of them trucks, projected to reach 23,174 by 2042. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesAlgonkian Parkway
CrossesTributary Sugarland_run
Location00.40FR792/00.56TO1639
RouteCounty Highway 1582
Coordinates39.02694, -77.36347
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating98.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,940 (2022)
Projected traffic23,174 by 2042
Trucks1%
Lanes on structure4
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 Algonkian Parkway over Tributary Sugarland_run built?

It was built in 1992, making it 33 years old in 2025.

What condition is Algonkian Parkway over Tributary Sugarland_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 2024.

How much traffic does Algonkian Parkway over Tributary Sugarland_run carry?

About 16,940 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Algonkian Parkway over Tributary Sugarland_run?

The structure is 22 ft (6.7 m) long with a longest span of 7 ft (2.1 m).

Who owns Algonkian Parkway over Tributary Sugarland_run?

It is owned by the State Highway Agency.