US Bridges

Jamestown ROAD/812 over Blackwater River

Good

Franklin County, Virginia · 0.00 Rt 709; 0.90 Rt 919 · Structure no. 000000000007992

Built
1988
37 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
137 ft
3 main spans
Daily traffic
679
2017 count
Owner
State
State Highway Agency

About this bridge

Jamestown ROAD/812 over Blackwater River is a prestressed concrete slab carrying Jamestown ROAD/812 over Blackwater River in Franklin County, Virginia. It was built in 1988, so it is 37 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 679 vehicles a day, projected to reach 1,059 by 2042. The structure is 137 ft (41.8 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesJamestown ROAD/812
CrossesBlackwater River
Location0.00 Rt 709; 0.90 Rt 919
RouteCounty Highway 812
Coordinates37.03453, -79.90971
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
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating61.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20 + Mod
Structure length137 ft (41.8 m)
Longest span46 ft (14 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic679 (2017)
Projected traffic1,059 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Jamestown ROAD/812 over Blackwater River built?

It was built in 1988, making it 37 years old in 2025.

What condition is Jamestown ROAD/812 over Blackwater 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 Jamestown ROAD/812 over Blackwater River carry?

About 679 vehicles per day (2017 count).

How long is Jamestown ROAD/812 over Blackwater River?

The structure is 137 ft (41.8 m) long with a longest span of 46 ft (14 m) and a deck 27 ft wide.

Who owns Jamestown ROAD/812 over Blackwater River?

It is owned by the State Highway Agency.