US Bridges

FAU 4663 over Little Duck River

Fair

Coffee County, Tennessee · .5 MI from SR 2 · Structure no. 160A2390001

Built
1955
70 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
67 ft
3 main spans
Daily traffic
1,485
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 4663 over Little Duck River is a concrete continuous culvert carrying FAU 4663 over Little Duck River in Coffee County, Tennessee. It was built in 1955, so it is 70 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 1,485 vehicles a day, roughly 3% of them trucks, projected to reach 4,176 by 2040. The structure is 67 ft (20.5 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAU 4663
CrossesLittle Duck River
Location.5 MI from SR 2
RouteCity Street 4663
Coordinates35.45505, -86.06454
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.1 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length67 ft (20.5 m)
Longest span15 ft (4.6 m)
Deck width31 ft (9.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,485 (2021)
Projected traffic4,176 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$376,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 4663 over Little Duck River built?

It was built in 1955, making it 70 years old in 2025.

What condition is FAU 4663 over Little 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 January 2024.

How much traffic does FAU 4663 over Little Duck River carry?

About 1,485 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 4663 over Little Duck River?

The structure is 67 ft (20.5 m) long with a longest span of 15 ft (4.6 m) and a deck 31 ft wide.

Who owns FAU 4663 over Little Duck River?

It is owned by the City or Municipal Highway Agency.