US Bridges

Nfa 972 (sa 6029) over Little Flat Creek

Fair

Maury County, Tennessee · 8 M. Se. Spring Hill. · Structure no. 60S63220001

Built
1958
67 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
86 ft
3 main spans
Daily traffic
3,281
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 972 (sa 6029) over Little Flat Creek is a concrete tee beam carrying Nfa 972 (sa 6029) over Little Flat Creek in Maury County, Tennessee. It was built in 1958, so it is 67 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 3,281 vehicles a day, roughly 5% of them trucks, projected to reach 2,288 by 2040. The structure is 86 ft (26.2 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 972 (sa 6029)
CrossesLittle Flat Creek
Location8 M. Se. Spring Hill.
RouteCounty Highway 972
CountyMaury County
StateTennessee
Coordinates35.66768, -86.83718
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length86 ft (26.2 m)
Longest span29 ft (8.8 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,281 (2021)
Projected traffic2,288 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$259,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 972 (sa 6029) over Little Flat Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Nfa 972 (sa 6029) over Little Flat Creek 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 Nfa 972 (sa 6029) over Little Flat Creek carry?

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

How long is Nfa 972 (sa 6029) over Little Flat Creek?

The structure is 86 ft (26.2 m) long with a longest span of 29 ft (8.8 m) and a deck 29 ft wide.

Who owns Nfa 972 (sa 6029) over Little Flat Creek?

It is owned by the County Highway Agency.