US Bridges

East a Street over Unknown Waterway

Good

Loudoun County, Virginia · .04W20THST./.69SMAINST. · Structure no. 000000000030183

Built
2012
13 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
26 ft
4 main spans
Daily traffic
600
2012 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

East a Street over Unknown Waterway is a concrete culvert carrying East a Street over Unknown Waterway in Loudoun County, Virginia. It was built in 2012, so it is 13 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 600 vehicles a day, projected to reach 750 by 2042. The structure is 26 ft (7.9 m) long.

CarriesEast a Street
CrossesUnknown Waterway
Location.04W20THST./.69SMAINST.
RouteCity Street 1610
Coordinates39.12694, -77.71306
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99.1 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length26 ft (7.9 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 traffic600 (2012)
Projected traffic750 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was East a Street over Unknown Waterway built?

It was built in 2012, making it 13 years old in 2025.

What condition is East a Street over Unknown Waterway in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does East a Street over Unknown Waterway carry?

About 600 vehicles per day (2012 count).

How long is East a Street over Unknown Waterway?

The structure is 26 ft (7.9 m) long with a longest span of 6 ft (1.8 m).

Who owns East a Street over Unknown Waterway?

It is owned by the Town or Township Highway Agency.