US Bridges

Nfa A378 over Turkey Creek

Fair

Decatur County, Tennessee · 2.8 MI SW JCT SR69&SR100 · Structure no. 200A3780001

Built
1983
42 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
80
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A378 over Turkey Creek is a concrete continuous culvert carrying Nfa A378 over Turkey Creek in Decatur County, Tennessee. It was built in 1983, so it is 42 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 80 vehicles a day, roughly 1% of them trucks, projected to reach 128 by 2042. The structure is 32 ft (9.9 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A378
CrossesTurkey Creek
Location2.8 MI SW JCT SR69&SR100
RouteCounty Highway 378
CountyDecatur County
StateTennessee
Coordinates35.55906, -88.1723
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 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 rating64.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span15 ft (4.6 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2020)
Projected traffic128 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A378 over Turkey Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Nfa A378 over Turkey 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 January 2024.

How much traffic does Nfa A378 over Turkey Creek carry?

About 80 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A378 over Turkey Creek?

The structure is 32 ft (9.9 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.

Who owns Nfa A378 over Turkey Creek?

It is owned by the County Highway Agency.