US Bridges

King St. RT.15 Bus over Town Branch

Good

Loudoun County, Virginia · 00.21FR7BUS/00.86TO 7 Bp · Structure no. 000000000022608

Built
1980
45 years old
Condition
Good
inspected September 2023
Type
Culvert
Steel
Length
42 ft
2 main spans
Daily traffic
6,675
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

King St. RT.15 Bus over Town Branch is a steel culvert carrying King St. RT.15 Bus over Town Branch in Loudoun County, Virginia. It was built in 1980, so it is 45 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 6,675 vehicles a day, roughly 3% of them trucks, projected to reach 8,527 by 2045. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesKing St. RT.15 Bus
CrossesTown Branch
Location00.21FR7BUS/00.86TO 7 Bp
RouteU.S. Route 15
CountyLoudoun County
StateVirginia
Coordinates39.11196, -77.56612
Functional classUrban Minor Arterial

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.5 US tons
Inventory rating15.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span19 ft (5.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,675 (2022)
Projected traffic8,527 by 2045
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
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
NavigationNo navigation control on waterway

Frequently asked questions

When was King St. RT.15 Bus over Town Branch built?

It was built in 1980, making it 45 years old in 2025.

What condition is King St. RT.15 Bus over Town Branch 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 September 2023.

How much traffic does King St. RT.15 Bus over Town Branch carry?

About 6,675 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is King St. RT.15 Bus over Town Branch?

The structure is 42 ft (12.8 m) long with a longest span of 19 ft (5.8 m).

Who owns King St. RT.15 Bus over Town Branch?

It is owned by the Town or Township Highway Agency.