US Bridges

Nfa B386 over Horse Creek

Fair

Sullivan County, Tennessee · Just SE of SR137-SR93 JCT · Structure no. 820B3860001

Built
1970
55 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
111 ft
3 main spans
Daily traffic
1,150
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa B386 over Horse Creek is a prestressed concrete stringer/multi-beam or girder carrying Nfa B386 over Horse Creek in Sullivan County, Tennessee. It was built in 1970, so it is 55 years old, older 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 1,150 vehicles a day, roughly 2% of them trucks, projected to reach 1,840 by 2042. The structure is 111 ft (33.8 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa B386
CrossesHorse Creek
LocationJust SE of SR137-SR93 JCT
RouteCounty Highway 386
Coordinates36.49455, -82.5598
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.
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length111 ft (33.8 m)
Longest span50 ft (15.2 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,150 (2020)
Projected traffic1,840 by 2042
Trucks2%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Nfa B386 over Horse Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa B386 over Horse 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 March 2024.

How much traffic does Nfa B386 over Horse Creek carry?

About 1,150 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B386 over Horse Creek?

The structure is 111 ft (33.8 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.

Who owns Nfa B386 over Horse Creek?

It is owned by the County Highway Agency.