US Bridges

Nfa C539 over So. Fk. Holston River

Fair

Sullivan County, Tennessee · E Off SR358-N of SR44 JCT · Structure no. 820C5390001

Built
1985
40 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
362 ft
4 main spans
Daily traffic
1,470
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa C539 over So. Fk. Holston River is a prestressed concrete box beam or girders - single or spread carrying Nfa C539 over So. Fk. Holston River in Sullivan County, Tennessee. It was built in 1985, so it is 40 years old, younger than the Tennessee average of 47.4 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 1,470 vehicles a day, roughly 2% of them trucks, projected to reach 2,352 by 2042. The structure is 362 ft (110.4 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNfa C539
CrossesSo. Fk. Holston River
LocationE Off SR358-N of SR44 JCT
RouteCounty Highway 539
CountySullivan County
StateTennessee
Coordinates36.4867, -82.19452
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length362 ft (110.4 m)
Longest span90 ft (27.5 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,470 (2020)
Projected traffic2,352 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa C539 over So. Fk. Holston River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa C539 over So. Fk. 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 2024.

How much traffic does Nfa C539 over So. Fk. Holston River carry?

About 1,470 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa C539 over So. Fk. Holston River?

The structure is 362 ft (110.4 m) long with a longest span of 90 ft (27.5 m) and a deck 26 ft wide.

Who owns Nfa C539 over So. Fk. Holston River?

It is owned by the County Highway Agency.