US Bridges

FAP 6 over Duck River

Fair

Maury County, Tennessee · In Columbia Tn · Structure no. 60SR0060068

Built
1992
33 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
483 ft
4 main spans
Daily traffic
29,934
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 6 over Duck River is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 6 over Duck River in Maury County, Tennessee. It was built in 1992, so it is 33 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 29,934 vehicles a day, roughly 7% of them trucks, projected to reach 38,672 by 2040. The structure is 483 ft (147.2 m) long and 44 ft wide.

CarriesFAP 6
CrossesDuck River
LocationIn Columbia Tn
RouteU.S. Route 43
Coordinates35.6377, -87.03596
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating26.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length483 ft (147.2 m)
Longest span129 ft (39.3 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,934 (2021)
Projected traffic38,672 by 2040
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 6 over Duck River built?

It was built in 1992, making it 33 years old in 2025.

What condition is FAP 6 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 6 over Duck River carry?

About 29,934 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is FAP 6 over Duck River?

The structure is 483 ft (147.2 m) long with a longest span of 129 ft (39.3 m) and a deck 44 ft wide.

Who owns FAP 6 over Duck River?

It is owned by the State Highway Agency.