US Bridges

Leafwood Rd. over Knob Fork Creek

FairPosted for load

Grayson County, Virginia · 0.05 FR 805; 0.65 to 652 · Structure no. 000000000008836

Built
1932
93 years old, rebuilt 2003
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
27
2014 count
Owner
State
State Highway Agency

About this bridge

Leafwood Rd. over Knob Fork Creek is a steel stringer/multi-beam or girder carrying Leafwood Rd. over Knob Fork Creek in Grayson County, Virginia. It was built in 1932 and reconstructed in 2003, so it is 93 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. Its operating status is: posted for load restriction.

It carries about 27 vehicles a day, projected to reach 31 by 2042. The structure is 25 ft (7.6 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesLeafwood Rd.
CrossesKnob Fork Creek
Location0.05 FR 805; 0.65 to 652
RouteCounty Highway 651
CountyGrayson County
StateVirginia
Coordinates36.7195, -81.05826
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width22 ft (6.7 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27 (2014)
Projected traffic31 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$88.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Leafwood Rd. over Knob Fork Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 2003.

What condition is Leafwood Rd. over Knob Fork Creek 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 December 2024.

How much traffic does Leafwood Rd. over Knob Fork Creek carry?

About 27 vehicles per day (2014 count).

How long is Leafwood Rd. over Knob Fork Creek?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 22 ft wide.

Who owns Leafwood Rd. over Knob Fork Creek?

It is owned by the State Highway Agency.