US Bridges

Nfa A003 over Piney River

FairPosted for load

Hickman County, Tennessee · 5 M. N. Nunnelly · Structure no. 410A0030001

Built
1970
55 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
223 ft
4 main spans
Daily traffic
230
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A003 over Piney River is a concrete continuous tee beam carrying Nfa A003 over Piney River 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. Its operating status is: posted for load restriction.

It carries about 230 vehicles a day, roughly 2% of them trucks, projected to reach 368 by 2042. The structure is 223 ft (68 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesNfa A003
CrossesPiney River
Location5 M. N. Nunnelly
RouteCounty Highway 3
CountyHickman County
StateTennessee
Coordinates35.93234, -87.46875
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating34.6 US tons
Inventory rating20.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadUnknown
Structure length223 ft (68 m)
Longest span46 ft (14 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2020)
Projected traffic368 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A003 over Piney River built?

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

What condition is Nfa A003 over Piney River 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 August 2023.

How much traffic does Nfa A003 over Piney River carry?

About 230 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A003 over Piney River?

The structure is 223 ft (68 m) long with a longest span of 46 ft (14 m) and a deck 26 ft wide.

Who owns Nfa A003 over Piney River?

It is owned by the County Highway Agency.