US Bridges

Sugar Grove HWY over Slemp Creek

Fair

Smyth County, Virginia · 10.1 to R11&6.0 to Grayco · Structure no. 000000000017390

Built
1933
92 years old, rebuilt 2017
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
42 ft
1 main span
Daily traffic
2,045
2022 count
Owner
State
State Highway Agency

About this bridge

Sugar Grove HWY over Slemp Creek is a concrete slab carrying Sugar Grove HWY over Slemp Creek in Smyth County, Virginia. It was built in 1933 and reconstructed in 2017, so it is 92 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 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 2,045 vehicles a day, projected to reach 2,280 by 2045. The structure is 42 ft (12.9 m) long and 26 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

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CarriesSugar Grove HWY
CrossesSlemp Creek
Location10.1 to R11&6.0 to Grayco
RouteState Highway 16
CountySmyth County
StateVirginia
Coordinates36.77661, -81.41107
Functional classRural Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating69 US tons
Inventory rating53 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length42 ft (12.9 m)
Longest span40 ft (12.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,045 (2022)
Projected traffic2,280 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 Sugar Grove HWY over Slemp Creek built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 2017.

What condition is Sugar Grove HWY over Slemp 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 October 2023.

How much traffic does Sugar Grove HWY over Slemp Creek carry?

About 2,045 vehicles per day (2022 count).

How long is Sugar Grove HWY over Slemp Creek?

The structure is 42 ft (12.9 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.

Who owns Sugar Grove HWY over Slemp Creek?

It is owned by the State Highway Agency.