US Bridges

Red Stone Road over S Fork Holston River

Fair

Smyth County, Virginia · .02FRRT605;.01TORT660 · Structure no. 000000000017622

Built
1974
51 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
87 ft
3 main spans
Daily traffic
1,063
2022 count
Owner
State
State Highway Agency

About this bridge

Red Stone Road over S Fork Holston River is a concrete slab carrying Red Stone Road over S Fork Holston River in Smyth County, Virginia. It was built in 1974, so it is 51 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 1,063 vehicles a day, roughly 2% of them trucks, projected to reach 1,493 by 2042. The structure is 87 ft (26.5 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRed Stone Road
CrossesS Fork Holston River
Location.02FRRT605;.01TORT660
RouteCounty Highway 645
Coordinates36.76084, -81.63187
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span34 ft (10.4 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,063 (2022)
Projected traffic1,493 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Red Stone Road over S Fork Holston River built?

It was built in 1974, making it 51 years old in 2025.

What condition is Red Stone Road over S Fork Holston River 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 January 2024.

How much traffic does Red Stone Road over S Fork Holston River carry?

About 1,063 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Red Stone Road over S Fork Holston River?

The structure is 87 ft (26.5 m) long with a longest span of 34 ft (10.4 m) and a deck 34 ft wide.

Who owns Red Stone Road over S Fork Holston River?

It is owned by the State Highway Agency.