US Bridges

Six Mile RD / 640 over Pigg River

Good

Franklin County, Virginia · 0.05 Rt 602; 0.90 Rt 806 · Structure no. 000000000007863

Built
1978
47 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
92 ft
3 main spans
Daily traffic
747
2022 count
Owner
State
State Highway Agency

About this bridge

Six Mile RD / 640 over Pigg River is a prestressed concrete tee beam carrying Six Mile RD / 640 over Pigg River in Franklin County, Virginia. It was built in 1978, so it is 47 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 747 vehicles a day, projected to reach 833 by 2042. The structure is 92 ft (28 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSix Mile RD / 640
CrossesPigg River
Location0.05 Rt 602; 0.90 Rt 806
RouteCounty Highway 640
CountyFranklin County
StateVirginia
Coordinates36.96852, -80.04043
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating61.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length92 ft (28 m)
Longest span31 ft (9.4 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic747 (2022)
Projected traffic833 by 2042
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Six Mile RD / 640 over Pigg River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Six Mile RD / 640 over Pigg River 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 July 2024.

How much traffic does Six Mile RD / 640 over Pigg River carry?

About 747 vehicles per day (2022 count).

How long is Six Mile RD / 640 over Pigg River?

The structure is 92 ft (28 m) long with a longest span of 31 ft (9.4 m) and a deck 30 ft wide.

Who owns Six Mile RD / 640 over Pigg River?

It is owned by the State Highway Agency.