US Bridges

Nfa A064 over Duck River

Fair

Coffee County, Tennessee · 1.6 MI from SR 53 · Structure no. 160A0640001

Built
1964
61 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
151 ft
5 main spans
Daily traffic
1,150
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A064 over Duck River is a concrete tee beam carrying Nfa A064 over Duck River in Coffee County, Tennessee. It was built in 1964, so it is 61 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 1,150 vehicles a day, roughly 2% of them trucks, projected to reach 1,840 by 2042. The structure is 151 ft (45.9 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A064
CrossesDuck River
Location1.6 MI from SR 53
RouteCounty Highway 64
Coordinates35.5418, -86.10345
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length151 ft (45.9 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.2 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,150 (2020)
Projected traffic1,840 by 2042
Trucks2%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$641,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A064 over Duck River built?

It was built in 1964, making it 61 years old in 2025.

What condition is Nfa A064 over Duck 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 March 2024.

How much traffic does Nfa A064 over Duck River carry?

About 1,150 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A064 over Duck River?

The structure is 151 ft (45.9 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns Nfa A064 over Duck River?

It is owned by the County Highway Agency.