US Bridges

Clito Rd. over Knob Fork Creek

Good

Grayson County, Virginia · 0.15 to R883&1.87 to R660 · Structure no. 000000000008835

Built
1988
37 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
24
2014 count
Owner
State
State Highway Agency

About this bridge

Clito Rd. over Knob Fork Creek is a concrete slab carrying Clito Rd. over Knob Fork Creek in Grayson County, Virginia. It was built in 1988, so it is 37 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 24 vehicles a day, projected to reach 28 by 2042. The structure is 32 ft (9.8 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesClito Rd.
CrossesKnob Fork Creek
Location0.15 to R883&1.87 to R660
RouteCounty Highway 650
Coordinates36.69945, -81.05732
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating98 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2014)
Projected traffic28 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Clito Rd. over Knob Fork Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Clito Rd. over Knob Fork Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

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

About 24 vehicles per day (2014 count).

How long is Clito Rd. over Knob Fork Creek?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns Clito Rd. over Knob Fork Creek?

It is owned by the State Highway Agency.