US Bridges

Dumfries Road over Mill Run

Good

Fauquier County, Virginia · .37 FR 1401 & .05 to 674 · Structure no. 000000000027827

Built
2009
16 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
12,256
2022 count
Owner
State
State Highway Agency

About this bridge

Dumfries Road over Mill Run is a concrete culvert carrying Dumfries Road over Mill Run in Fauquier County, Virginia. It was built in 2009, so it is 16 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 12,256 vehicles a day, roughly 1% of them trucks, projected to reach 17,894 by 2045. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesDumfries Road
CrossesMill Run
Location.37 FR 1401 & .05 to 674
RouteCounty Highway 605
Coordinates38.73346, -77.74474
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
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 alignment7: Better than present minimum criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length38 ft (11.6 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 traffic12,256 (2022)
Projected traffic17,894 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Dumfries Road over Mill Run built?

It was built in 2009, making it 16 years old in 2025.

What condition is Dumfries Road over Mill Run 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 August 2023.

How much traffic does Dumfries Road over Mill Run carry?

About 12,256 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Dumfries Road over Mill Run?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Dumfries Road over Mill Run?

It is owned by the State Highway Agency.