US Bridges

Dry Mill Road over Town Branch

Good

Loudoun County, Virginia · 0020FRLOUD.ST/0010TOVALVW · Structure no. 000000000023743

Built
1992
33 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
1,763
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Dry Mill Road over Town Branch is a concrete culvert carrying Dry Mill Road over Town Branch 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 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 1,763 vehicles a day, projected to reach 1,843 by 2045. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDry Mill Road
CrossesTown Branch
Location0020FRLOUD.ST/0010TOVALVW
RouteCity Street 0
Coordinates39.11493, -77.57196
Functional classUrban Collector

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 evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,763 (2022)
Projected traffic1,843 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Dry Mill Road over Town Branch built?

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

What condition is Dry Mill Road 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 Dry Mill Road over Town Branch carry?

About 1,763 vehicles per day (2022 count).

How long is Dry Mill Road over Town Branch?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns Dry Mill Road over Town Branch?

It is owned by the Town or Township Highway Agency.