US Bridges

Nfa A867 over Thomas Creek

Fair

Sullivan County, Tennessee · Just N of S Holston Dam · Structure no. 820A8670001

Built
1996
29 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
115
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A867 over Thomas Creek is a concrete continuous culvert carrying Nfa A867 over Thomas Creek in Sullivan County, Tennessee. It was built in 1996, so it is 29 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 115 vehicles a day, roughly 2% of them trucks, projected to reach 184 by 2042. The structure is 34 ft (10.4 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A867
CrossesThomas Creek
LocationJust N of S Holston Dam
RouteCounty Highway 867
Coordinates36.5336, -82.09365
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span15 ft (4.6 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (2020)
Projected traffic184 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 A867 over Thomas Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Nfa A867 over Thomas 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 A867 over Thomas Creek carry?

About 115 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A867 over Thomas Creek?

The structure is 34 ft (10.4 m) long with a longest span of 15 ft (4.6 m) and a deck 30 ft wide.

Who owns Nfa A867 over Thomas Creek?

It is owned by the County Highway Agency.