US Bridges

Snider Branch RD over M Fork Holston River

Fair

Smyth County, Virginia · .1 to R11 & .8 to R617 · Structure no. 000000000024736

Built
1996
29 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
113 ft
2 main spans
Daily traffic
309
2022 count
Owner
State
State Highway Agency

About this bridge

Snider Branch RD over M Fork Holston River is a concrete slab carrying Snider Branch RD over M Fork Holston River in Smyth County, Virginia. It was built in 1996, so it is 29 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 309 vehicles a day, projected to reach 345 by 2045. The structure is 113 ft (34.4 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSnider Branch RD
CrossesM Fork Holston River
Location.1 to R11 & .8 to R617
RouteCounty Highway 689
Coordinates36.85718, -81.47283
Functional classUrban 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 protection7 GoodSome minor problems.
Last inspectionJanuary 2025
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating48 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length113 ft (34.4 m)
Longest span56 ft (17.1 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic309 (2022)
Projected traffic345 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Snider Branch RD over M Fork Holston River built?

It was built in 1996, making it 29 years old in 2025.

What condition is Snider Branch RD over M 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 January 2025.

How much traffic does Snider Branch RD over M Fork Holston River carry?

About 309 vehicles per day (2022 count).

How long is Snider Branch RD over M Fork Holston River?

The structure is 113 ft (34.4 m) long with a longest span of 56 ft (17.1 m) and a deck 28 ft wide.

Who owns Snider Branch RD over M Fork Holston River?

It is owned by the State Highway Agency.