US Bridges

Hiler Bridge Road over S Fork Holston River

Fair

Smyth County, Virginia · .82 FR R653 & .08 to R660 · Structure no. 000000000026477

Built
2000
25 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
81 ft
3 main spans
Daily traffic
129
2022 count
Owner
State
State Highway Agency

About this bridge

Hiler Bridge Road over S Fork Holston River is a concrete slab carrying Hiler Bridge Road over S Fork Holston River in Smyth County, Virginia. It was built in 2000, so it is 25 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 129 vehicles a day, projected to reach 144 by 2042. The structure is 81 ft (24.7 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesHiler Bridge Road
CrossesS Fork Holston River
Location.82 FR R653 & .08 to R660
RouteCounty Highway 648
CountySmyth County
StateVirginia
Coordinates36.76534, -81.61634
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
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating95 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length81 ft (24.7 m)
Longest span27 ft (8.2 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic129 (2022)
Projected traffic144 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$253.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Hiler Bridge Road over S Fork Holston River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Hiler Bridge Road over S 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 September 2024.

How much traffic does Hiler Bridge Road over S Fork Holston River carry?

About 129 vehicles per day (2022 count).

How long is Hiler Bridge Road over S Fork Holston River?

The structure is 81 ft (24.7 m) long with a longest span of 27 ft (8.2 m) and a deck 28 ft wide.

Who owns Hiler Bridge Road over S Fork Holston River?

It is owned by the State Highway Agency.