US Bridges

Whitetop Road over St. Clair Creek

Fair

Smyth County, Virginia · 0.18 to 800; 0.84 to 605 · Structure no. 000000000026754

Built
2004
21 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
195 ft
3 main spans
Daily traffic
973
2022 count
Owner
State
State Highway Agency

About this bridge

Whitetop Road over St. Clair Creek is a steel continuous stringer/multi-beam or girder carrying Whitetop Road over St. Clair Creek in Smyth County, Virginia. It was built in 2004, so it is 21 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 973 vehicles a day, roughly 1% of them trucks, projected to reach 1,421 by 2042. The structure is 195 ft (59.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWhitetop Road
CrossesSt. Clair Creek
Location0.18 to 800; 0.84 to 605
RouteCounty Highway 600
Coordinates36.75137, -81.64787
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating78 US tons
Inventory rating59 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length195 ft (59.4 m)
Longest span75 ft (22.9 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic973 (2022)
Projected traffic1,421 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Whitetop Road over St. Clair Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Whitetop Road over St. Clair 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 September 2024.

How much traffic does Whitetop Road over St. Clair Creek carry?

About 973 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Whitetop Road over St. Clair Creek?

The structure is 195 ft (59.4 m) long with a longest span of 75 ft (22.9 m) and a deck 43 ft wide.

Who owns Whitetop Road over St. Clair Creek?

It is owned by the State Highway Agency.