US Bridges

Carpenters Mill RD over Dark Run

Good

Madison County, Virginia · 1.50 from 230& .10 to 625 · Structure no. 000000000011752

Built
1985
40 years old, rebuilt 2009
Condition
Good
inspected February 2023
Type
Culvert
Steel
Length
34 ft
3 main spans
Daily traffic
926
2014 count
Owner
State
State Highway Agency

About this bridge

Carpenters Mill RD over Dark Run is a steel culvert carrying Carpenters Mill RD over Dark Run in Madison County, Virginia. It was built in 1985 and reconstructed in 2009, 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 926 vehicles a day, projected to reach 1,469 by 2045. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCarpenters Mill RD
CrossesDark Run
Location1.50 from 230& .10 to 625
RouteCounty Highway 616
Coordinates38.34911, -78.23772
Functional classRural Local

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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length34 ft (10.4 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic926 (2014)
Projected traffic1,469 by 2045
Trucks0%
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 Carpenters Mill RD over Dark Run built?

It was built in 1985, making it 40 years old in 2025. It was reconstructed in 2009.

What condition is Carpenters Mill RD over Dark 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 February 2023.

How much traffic does Carpenters Mill RD over Dark Run carry?

About 926 vehicles per day (2014 count).

How long is Carpenters Mill RD over Dark Run?

The structure is 34 ft (10.4 m) long with a longest span of 11 ft (3.4 m).

Who owns Carpenters Mill RD over Dark Run?

It is owned by the State Highway Agency.