US Bridges

FAP 55 over Little Duck River

Poor

Coffee County, Tennessee · In Manchester · Structure no. 16SR0550013

Built
1941
84 years old
Condition
Poor
inspected November 2023
Type
Tee Beam
Concrete
Length
385 ft
8 main spans
Daily traffic
16,822
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 55 over Little Duck River is a concrete tee beam carrying FAP 55 over Little Duck River in Coffee County, Tennessee. It was built in 1941, so it is 84 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 16,822 vehicles a day, roughly 7% of them trucks, projected to reach 26,915 by 2042. The structure is 385 ft (117.3 m) long and 60 ft wide. If it were closed, the detour would be 69 mi (111 km).

CarriesFAP 55
CrossesLittle Duck River
LocationIn Manchester
RouteState Highway 55
Coordinates35.47953, -86.07978
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.5 US tons
Inventory rating25.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadH 15
Structure length385 ft (117.3 m)
Longest span53 ft (16.2 m)
Deck width60 ft (18.4 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,822 (2021)
Projected traffic26,915 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed69 mi (111 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 55 over Little Duck River built?

It was built in 1941, making it 84 years old in 2025.

What condition is FAP 55 over Little Duck River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does FAP 55 over Little Duck River carry?

About 16,822 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is FAP 55 over Little Duck River?

The structure is 385 ft (117.3 m) long with a longest span of 53 ft (16.2 m) and a deck 60 ft wide.

Who owns FAP 55 over Little Duck River?

It is owned by the State Highway Agency.