US Bridges

Fox Valley Rd. over M. Fork Holston River

Fair

Smyth County, Virginia · .33 to R779 & .05 to R643 · Structure no. 000000000017624

Built
1990
35 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
282 ft
4 main spans
Daily traffic
164
2022 count
Owner
State
State Highway Agency

About this bridge

Fox Valley Rd. over M. Fork Holston River is a steel stringer/multi-beam or girder carrying Fox Valley Rd. over M. Fork Holston River in Smyth County, Virginia. It was built in 1990, so it is 35 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 164 vehicles a day, projected to reach 183 by 2042. The structure is 282 ft (86 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesFox Valley Rd.
CrossesM. Fork Holston River
Location.33 to R779 & .05 to R643
RouteCounty Highway 645
CountySmyth County
StateVirginia
Coordinates36.81814, -81.61677
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating84 US tons
Inventory rating65 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length282 ft (86 m)
Longest span71 ft (21.6 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic164 (2022)
Projected traffic183 by 2042
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 Fox Valley Rd. over M. Fork Holston River built?

It was built in 1990, making it 35 years old in 2025.

What condition is Fox Valley Rd. 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 May 2024.

How much traffic does Fox Valley Rd. over M. Fork Holston River carry?

About 164 vehicles per day (2022 count).

How long is Fox Valley Rd. over M. Fork Holston River?

The structure is 282 ft (86 m) long with a longest span of 71 ft (21.6 m) and a deck 28 ft wide.

Who owns Fox Valley Rd. over M. Fork Holston River?

It is owned by the State Highway Agency.