US Bridges

Nfa A547 over Long Creek

Fair

Hamblen County, Tennessee · Long Creek RD · Structure no. 320A5470001

Built
1999
26 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
63 ft
4 main spans
Daily traffic
180
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A547 over Long Creek is a concrete continuous culvert carrying Nfa A547 over Long Creek in Hamblen County, Tennessee. It was built in 1999, so it is 26 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 180 vehicles a day, roughly 2% of them trucks, projected to reach 288 by 2039. The structure is 63 ft (19.2 m) long and 27 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNfa A547
CrossesLong Creek
LocationLong Creek RD
RouteCounty Highway 547
Coordinates36.13872, -83.24647
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.5 US tons
Inventory rating34.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span15 ft (4.6 m)
Deck width27 ft (8.3 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2020)
Projected traffic288 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 A547 over Long Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Nfa A547 over Long 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 September 2023.

How much traffic does Nfa A547 over Long Creek carry?

About 180 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A547 over Long Creek?

The structure is 63 ft (19.2 m) long with a longest span of 15 ft (4.6 m) and a deck 27 ft wide.

Who owns Nfa A547 over Long Creek?

It is owned by the County Highway Agency.