US Bridges

Colonial Tnpk 718 over Pigg River

Good

Franklin County, Virginia · 0.15 Rt 715;1.00 Rt 646 · Structure no. 000000000028732

Built
2021
4 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
176 ft
3 main spans
Daily traffic
500
2022 count
Owner
State
State Highway Agency

About this bridge

Colonial Tnpk 718 over Pigg River is a steel stringer/multi-beam or girder carrying Colonial Tnpk 718 over Pigg River in Franklin County, Virginia. It was built in 2021, so it is 4 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 500 vehicles a day, projected to reach 730 by 2045. The structure is 176 ft (53.6 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesColonial Tnpk 718
CrossesPigg River
Location0.15 Rt 715;1.00 Rt 646
RouteCounty Highway 718
CountyFranklin County
StateVirginia
Coordinates36.94, -79.76763
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating86 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length176 ft (53.6 m)
Longest span84 ft (25.6 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic730 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 Colonial Tnpk 718 over Pigg River built?

It was built in 2021, making it 4 years old in 2025.

What condition is Colonial Tnpk 718 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 September 2023.

How much traffic does Colonial Tnpk 718 over Pigg River carry?

About 500 vehicles per day (2022 count).

How long is Colonial Tnpk 718 over Pigg River?

The structure is 176 ft (53.6 m) long with a longest span of 84 ft (25.6 m) and a deck 29 ft wide.

Who owns Colonial Tnpk 718 over Pigg River?

It is owned by the State Highway Agency.