US Bridges

Nfa A279 over Piney Fork

Fair

Hickman County, Tennessee · 9 M South of Centerville · Structure no. 410A2530001

Built
1970
55 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
60 ft
2 main spans
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A279 over Piney Fork is a concrete tee beam carrying Nfa A279 over Piney Fork in Hickman 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 5 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 10 vehicles a day, roughly 2% of them trucks, projected to reach 16 by 2042. The structure is 60 ft (18.3 m) long and 26 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesNfa A279
CrossesPiney Fork
Location9 M South of Centerville
RouteCounty Highway 279
Coordinates35.66658, -87.4945
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length60 ft (18.3 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2020)
Projected traffic16 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$371,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A279 over Piney Fork built?

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

What condition is Nfa A279 over Piney Fork 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 October 2023.

How much traffic does Nfa A279 over Piney Fork carry?

About 10 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A279 over Piney Fork?

The structure is 60 ft (18.3 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns Nfa A279 over Piney Fork?

It is owned by the County Highway Agency.