US Bridges

Dry Mill Road over Dry Mill Branch

Good

Loudoun County, Virginia · 0.02FRSHNSTN /0.03TO820 · Structure no. 000000000011291

Built
1985
40 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
35 ft
3 main spans
Daily traffic
1,247
2022 count
Owner
State
State Highway Agency

About this bridge

Dry Mill Road over Dry Mill Branch is a concrete culvert carrying Dry Mill Road over Dry Mill Branch in Loudoun County, Virginia. It was built in 1985, so it is 40 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 1,247 vehicles a day, roughly 1% of them trucks, projected to reach 1,821 by 2045. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesDry Mill Road
CrossesDry Mill Branch
Location0.02FRSHNSTN /0.03TO820
RouteCounty Highway 699
Coordinates39.11441, -77.60288
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,247 (2022)
Projected traffic1,821 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$50 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Dry Mill Road over Dry Mill Branch built?

It was built in 1985, making it 40 years old in 2025.

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

About 1,247 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Dry Mill Road over Dry Mill Branch?

The structure is 35 ft (10.7 m) long with a longest span of 12 ft (3.7 m).

Who owns Dry Mill Road over Dry Mill Branch?

It is owned by the State Highway Agency.