US Bridges

FAS 50 over Duck River

FairPosted for load

Hickman County, Tennessee · In Centerville City Limit · Structure no. 41SR0500013

Built
1970
55 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
524 ft
4 main spans
Daily traffic
3,281
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 50 over Duck River is a steel continuous stringer/multi-beam or girder carrying FAS 50 over Duck 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 3,281 vehicles a day, roughly 5% of them trucks, projected to reach 5,250 by 2042. The structure is 524 ft (159.7 m) long and 36 ft wide. If it were closed, the detour would be 60.9 mi (98 km).

Location

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CarriesFAS 50
CrossesDuck River
LocationIn Centerville City Limit
RouteState Highway 50
CountyHickman County
StateTennessee
Coordinates35.77303, -87.473
Functional classRural Major 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
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating19.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length524 ft (159.7 m)
Longest span140 ft (42.7 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,281 (2021)
Projected traffic5,250 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.9 mi (98 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$7.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 50 over Duck River built?

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

What condition is FAS 50 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 September 2024.

How much traffic does FAS 50 over Duck River carry?

About 3,281 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 50 over Duck River?

The structure is 524 ft (159.7 m) long with a longest span of 140 ft (42.7 m) and a deck 36 ft wide.

Who owns FAS 50 over Duck River?

It is owned by the State Highway Agency.