US Bridges

Nfa A839 over Dry Run Creek

Fair

Sullivan County, Tennessee · S. of Virginia · Structure no. 820A8390005

Built
1990
35 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
120
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A839 over Dry Run Creek is a concrete slab carrying Nfa A839 over Dry Run Creek in Sullivan County, Tennessee. It was built in 1990, so it is 35 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 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 120 vehicles a day, roughly 2% of them trucks, projected to reach 192 by 2042. The structure is 22 ft (6.6 m) long and 12 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesNfa A839
CrossesDry Run Creek
LocationS. of Virginia
RouteCounty Highway 839
CountySullivan County
StateTennessee
Coordinates36.60004, -81.91667
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span20 ft (6.1 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2020)
Projected traffic192 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$157,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A839 over Dry Run Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Nfa A839 over Dry Run Creek 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 A839 over Dry Run Creek carry?

About 120 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A839 over Dry Run Creek?

The structure is 22 ft (6.6 m) long with a longest span of 20 ft (6.1 m) and a deck 12 ft wide.

Who owns Nfa A839 over Dry Run Creek?

It is owned by the County Highway Agency.