US Bridges

Dupont Road / 721 over Doe Run

Fair

Henry County, Virginia · 0.07-RTE801; 0.32-END Mnt · Structure no. 000000000010176

Built
1941
84 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
708
2018 count
Owner
State
State Highway Agency

About this bridge

Dupont Road / 721 over Doe Run is a concrete culvert carrying Dupont Road / 721 over Doe Run in Henry County, Virginia. It was built in 1941, so it is 84 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.

It carries about 708 vehicles a day, projected to reach 804 by 2045. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesDupont Road / 721
CrossesDoe Run
Location0.07-RTE801; 0.32-END Mnt
RouteCounty Highway 721
CountyHenry County
StateVirginia
Coordinates36.66991, -79.8871
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic708 (2018)
Projected traffic804 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$968 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Dupont Road / 721 over Doe Run built?

It was built in 1941, making it 84 years old in 2025.

What condition is Dupont Road / 721 over Doe Run 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 April 2023.

How much traffic does Dupont Road / 721 over Doe Run carry?

About 708 vehicles per day (2018 count).

How long is Dupont Road / 721 over Doe Run?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3.1 m).

Who owns Dupont Road / 721 over Doe Run?

It is owned by the State Highway Agency.