US Bridges

Deer Valley Road over M Fork Holston River

Fair

Smyth County, Virginia · 0.1FR RT638-.2 M to RT11 · Structure no. 000000000017618

Built
1976
49 years old
Condition
Fair
inspected March 2025
Type
Slab
Concrete
Length
96 ft
3 main spans
Daily traffic
1,064
2022 count
Owner
State
State Highway Agency

About this bridge

Deer Valley Road over M Fork Holston River is a concrete slab carrying Deer Valley Road over M Fork Holston River in Smyth County, Virginia. It was built in 1976, so it is 49 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 1,064 vehicles a day, projected to reach 1,553 by 2045. The structure is 96 ft (29.3 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesDeer Valley Road
CrossesM Fork Holston River
Location0.1FR RT638-.2 M to RT11
RouteCounty Highway 792
Coordinates36.81079, -81.66446
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2025
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating69 US tons
Inventory rating53 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length96 ft (29.3 m)
Longest span32 ft (9.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,064 (2022)
Projected traffic1,553 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Deer Valley Road over M Fork Holston River built?

It was built in 1976, making it 49 years old in 2025.

What condition is Deer Valley Road over M 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 March 2025.

How much traffic does Deer Valley Road over M Fork Holston River carry?

About 1,064 vehicles per day (2022 count).

How long is Deer Valley Road over M Fork Holston River?

The structure is 96 ft (29.3 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.

Who owns Deer Valley Road over M Fork Holston River?

It is owned by the State Highway Agency.