US Bridges

FAS 50 over Duck River

Fair

Hickman County, Tennessee · 5 M SE of Only Tn · Structure no. 41SR0500035

Built
1996
29 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
688 ft
5 main spans
Daily traffic
1,450
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 50 over Duck River is a prestressed concrete continuous stringer/multi-beam or girder carrying FAS 50 over Duck River in Hickman County, Tennessee. It was built in 1996, so it is 29 years old, younger 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 1,450 vehicles a day, roughly 5% of them trucks, projected to reach 2,320 by 2042. The structure is 688 ft (209.7 m) long and 46 ft wide. If it were closed, the detour would be 60.9 mi (98 km).

CarriesFAS 50
CrossesDuck River
Location5 M SE of Only Tn
RouteState Highway 50
Coordinates35.82775, -87.6652
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating24.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length688 ft (209.7 m)
Longest span137 ft (41.8 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,450 (2021)
Projected traffic2,320 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 50 over Duck River built?

It was built in 1996, making it 29 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 1,450 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 50 over Duck River?

The structure is 688 ft (209.7 m) long with a longest span of 137 ft (41.8 m) and a deck 46 ft wide.

Who owns FAS 50 over Duck River?

It is owned by the State Highway Agency.