US Bridges

FAP 50 over Duck River

Fair

Hickman County, Tennessee · .7 Mi.Se.Of Shady Grove · Structure no. 41SR0500031

Built
1951
74 years old, rebuilt 1976
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
879 ft
3 main spans
Daily traffic
2,848
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 50 over Duck River is a steel continuous stringer/multi-beam or girder carrying FAP 50 over Duck River in Hickman County, Tennessee. It was built in 1951 and reconstructed in 1976, so it is 74 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 6 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 2,848 vehicles a day, roughly 5% of them trucks, projected to reach 4,557 by 2042. The structure is 879 ft (267.9 m) long and 46 ft wide. If it were closed, the detour would be 78.3 mi (126 km).

Location

Open in Google Maps
CarriesFAP 50
CrossesDuck River
Location.7 Mi.Se.Of Shady Grove
RouteState Highway 50
CountyHickman County
StateTennessee
Coordinates35.72033, -87.2678
Functional classRural Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+14 approach)
Design loadH 15
Structure length879 ft (267.9 m)
Longest span120 ft (36.6 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,848 (2021)
Projected traffic4,557 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed78.3 mi (126 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$9.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 50 over Duck River built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1976.

What condition is FAP 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 August 2024.

How much traffic does FAP 50 over Duck River carry?

About 2,848 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAP 50 over Duck River?

The structure is 879 ft (267.9 m) long with a longest span of 120 ft (36.6 m) and a deck 46 ft wide.

Who owns FAP 50 over Duck River?

It is owned by the State Highway Agency.