US Bridges

Loudoun ST East over Trib.Of Sleeter Lake

Fair

Loudoun County, Virginia · 00.25FR719/00.25TO7BYPASS · Structure no. 000000000026005

Built
1999
26 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
21 ft
3 main spans
Daily traffic
5,112
2022 count
Owner
State
State Highway Agency

About this bridge

Loudoun ST East over Trib.Of Sleeter Lake is a concrete culvert carrying Loudoun ST East over Trib.Of Sleeter Lake in Loudoun County, Virginia. It was built in 1999, so it is 26 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 5,112 vehicles a day, projected to reach 7,464 by 2045. The structure is 21 ft (6.5 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesLoudoun ST East
CrossesTrib.Of Sleeter Lake
Location00.25FR719/00.25TO7BYPASS
RouteState Highway 7
Coordinates39.13415, -77.7637
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating64 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length21 ft (6.5 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,112 (2022)
Projected traffic7,464 by 2045
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$100 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Loudoun ST East over Trib.Of Sleeter Lake built?

It was built in 1999, making it 26 years old in 2025.

What condition is Loudoun ST East over Trib.Of Sleeter Lake 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 February 2023.

How much traffic does Loudoun ST East over Trib.Of Sleeter Lake carry?

About 5,112 vehicles per day (2022 count).

How long is Loudoun ST East over Trib.Of Sleeter Lake?

The structure is 21 ft (6.5 m) long with a longest span of 6 ft (1.8 m).

Who owns Loudoun ST East over Trib.Of Sleeter Lake?

It is owned by the State Highway Agency.