US Bridges

Ridgedale Road over N Fork Holston River

Fair

Smyth County, Virginia · 0.8 FR R16 & 1.9 to R629 · Structure no. 000000000028564

Built
2007
18 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
120 ft
2 main spans
Daily traffic
68
2022 count
Owner
State
State Highway Agency

About this bridge

Ridgedale Road over N Fork Holston River is a steel continuous stringer/multi-beam or girder carrying Ridgedale Road over N Fork Holston River in Smyth County, Virginia. It was built in 2007, so it is 18 years old, younger 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 6 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 68 vehicles a day, projected to reach 76 by 2045. The structure is 120 ft (36.6 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesRidgedale Road
CrossesN Fork Holston River
Location0.8 FR R16 & 1.9 to R629
RouteCounty Highway 624
CountySmyth County
StateVirginia
Coordinates36.94434, -81.54671
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating81 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length120 ft (36.6 m)
Longest span58 ft (17.7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68 (2022)
Projected traffic76 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Ridgedale Road over N Fork Holston River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Ridgedale Road over N 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 May 2023.

How much traffic does Ridgedale Road over N Fork Holston River carry?

About 68 vehicles per day (2022 count).

How long is Ridgedale Road over N Fork Holston River?

The structure is 120 ft (36.6 m) long with a longest span of 58 ft (17.7 m) and a deck 26 ft wide.

Who owns Ridgedale Road over N Fork Holston River?

It is owned by the State Highway Agency.