US Bridges

FAS 390 over Holston River

Good

Sullivan County, Tennessee · 6MI.EAST of F0017 · Structure no. 82SR0370015

Built
1998
27 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
417 ft
3 main spans
Daily traffic
4,361
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 390 over Holston River is a steel continuous stringer/multi-beam or girder carrying FAS 390 over Holston River in Sullivan County, Tennessee. It was built in 1998, so it is 27 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,361 vehicles a day, roughly 3% of them trucks, projected to reach 6,978 by 2042. The structure is 417 ft (127 m) long and 42 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesFAS 390
CrossesHolston River
Location6MI.EAST of F0017
RouteState Highway 390
Coordinates36.47652, -82.26345
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating38.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length417 ft (127 m)
Longest span154 ft (47 m)
Deck width42 ft (12.9 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,361 (2021)
Projected traffic6,978 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 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 FAS 390 over Holston River built?

It was built in 1998, making it 27 years old in 2025.

What condition is FAS 390 over Holston River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does FAS 390 over Holston River carry?

About 4,361 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAS 390 over Holston River?

The structure is 417 ft (127 m) long with a longest span of 154 ft (47 m) and a deck 42 ft wide.

Who owns FAS 390 over Holston River?

It is owned by the State Highway Agency.