US Bridges

Rock Spring Rd. over M Fork Holston River

Fair

Washington County, Virginia · 0.20-RT.709; 0.71-RT.706 · Structure no. 000000000019192

Built
1969
56 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
190 ft
3 main spans
Daily traffic
559
2022 count
Owner
State
State Highway Agency

About this bridge

Rock Spring Rd. over M Fork Holston River is a steel stringer/multi-beam or girder carrying Rock Spring Rd. over M Fork Holston River in Washington County, Virginia. It was built in 1969, so it is 56 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 559 vehicles a day, roughly 1% of them trucks, projected to reach 623 by 2045. The structure is 190 ft (57.8 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesRock Spring Rd.
CrossesM Fork Holston River
Location0.20-RT.709; 0.71-RT.706
RouteCounty Highway 803
CountyWashington County
StateVirginia
Coordinates36.71383, -81.81877
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
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 rating71 US tons
Inventory rating54 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length190 ft (57.8 m)
Longest span64 ft (19.5 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic559 (2022)
Projected traffic623 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Rock Spring Rd. over M Fork Holston River built?

It was built in 1969, making it 56 years old in 2025.

What condition is Rock Spring 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 February 2025.

How much traffic does Rock Spring Rd. over M Fork Holston River carry?

About 559 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Rock Spring Rd. over M Fork Holston River?

The structure is 190 ft (57.8 m) long with a longest span of 64 ft (19.5 m) and a deck 30 ft wide.

Who owns Rock Spring Rd. over M Fork Holston River?

It is owned by the State Highway Agency.