US Bridges

Dry Mill Road over Wash. Old Dom. Reg. Trl.

FairPosted for load

Loudoun County, Virginia · 00.10FR9/02.00TO820 · Structure no. 000000000011288

Built
1892
133 years old
Condition
Fair
inspected March 2025
Type
Arch - Deck
Masonry
Length
26 ft
1 main span
Daily traffic
1,247
2022 count
Owner
State
State Highway Agency

About this bridge

Dry Mill Road over Wash. Old Dom. Reg. Trl. is a masonry arch - deck carrying Dry Mill Road over Wash. Old Dom. Reg. Trl. in Loudoun County, Virginia. It was built in 1892, so it is 133 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,247 vehicles a day, roughly 1% of them trucks, projected to reach 1,821 by 2042. The structure is 26 ft (7.9 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesDry Mill Road
CrossesWash. Old Dom. Reg. Trl.
Location00.10FR9/02.00TO820
RouteCounty Highway 699
Coordinates39.13956, -77.61092
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.8 US tons
Inventory rating34.8 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width31 ft (9.3 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,247 (2022)
Projected traffic1,821 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$150 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Dry Mill Road over Wash. Old Dom. Reg. Trl. built?

It was built in 1892, making it 133 years old in 2025.

What condition is Dry Mill Road over Wash. Old Dom. Reg. Trl. 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 March 2025.

How much traffic does Dry Mill Road over Wash. Old Dom. Reg. Trl. carry?

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

How long is Dry Mill Road over Wash. Old Dom. Reg. Trl.?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m) and a deck 31 ft wide.

Who owns Dry Mill Road over Wash. Old Dom. Reg. Trl.?

It is owned by the State Highway Agency.