US Bridges

Highway 16 over N F Holston River

Fair

Smyth County, Virginia · 1.12 FR 42; 8.31 to 348 · Structure no. 000000000017389

Built
1980
45 years old
Condition
Fair
inspected February 2025
Type
Tee Beam
Concrete
Length
141 ft
3 main spans
Daily traffic
542
2022 count
Owner
State
State Highway Agency

About this bridge

Highway 16 over N F Holston River is a concrete tee beam carrying Highway 16 over N F Holston River in Smyth County, Virginia. It was built in 1980, so it is 45 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 5 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 542 vehicles a day, projected to reach 604 by 2042. The structure is 141 ft (43 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesHighway 16
CrossesN F Holston River
Location1.12 FR 42; 8.31 to 348
RouteState Highway 16
Coordinates36.95324, -81.52752
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating96 US tons
Inventory rating74 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length141 ft (43 m)
Longest span47 ft (14.3 m)
Deck width36 ft (10.9 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic542 (2022)
Projected traffic604 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 Highway 16 over N F Holston River built?

It was built in 1980, making it 45 years old in 2025.

What condition is Highway 16 over N F 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 February 2025.

How much traffic does Highway 16 over N F Holston River carry?

About 542 vehicles per day (2022 count).

How long is Highway 16 over N F Holston River?

The structure is 141 ft (43 m) long with a longest span of 47 ft (14.3 m) and a deck 36 ft wide.

Who owns Highway 16 over N F Holston River?

It is owned by the State Highway Agency.