US Bridges

FAP 50 over Duck River

Fair

Maury County, Tennessee · 0.14 Mi.S.E.Jct FAS 6254 · Structure no. 60SR0500003

Built
1951
74 years old, rebuilt 1980
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
579 ft
3 main spans
Daily traffic
3,012
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 Maury County, Tennessee. It was built in 1951 and reconstructed in 1980, 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 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 3,012 vehicles a day, roughly 5% of them trucks, projected to reach 4,752 by 2040. The structure is 579 ft (176.4 m) long and 46 ft wide. If it were closed, the detour would be 78.3 mi (126 km).

CarriesFAP 50
CrossesDuck River
Location0.14 Mi.S.E.Jct FAS 6254
RouteState Highway 50
Coordinates35.69553, -87.22079
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionApril 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating30.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, precast panels
Main spans3 (+6 approach)
Design loadHS 20
Structure length579 ft (176.4 m)
Longest span120 ft (36.6 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,012 (2021)
Projected traffic4,752 by 2040
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$8.4 million (2020 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 1980.

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 April 2024.

How much traffic does FAP 50 over Duck River carry?

About 3,012 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAP 50 over Duck River?

The structure is 579 ft (176.4 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.