US Bridges

Nfa A363 over Leipers Creek

Fair

Maury County, Tennessee · 4 M. N. Santa Fe. · Structure no. 600A0560003

Built
1940
85 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
41 ft
1 main span
Daily traffic
140
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A363 over Leipers Creek is a concrete tee beam carrying Nfa A363 over Leipers Creek in Maury County, Tennessee. It was built in 1940, so it is 85 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 140 vehicles a day, roughly 2% of them trucks, projected to reach 224 by 2040. The structure is 41 ft (12.5 m) long and 17 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa A363
CrossesLeipers Creek
Location4 M. N. Santa Fe.
RouteCounty Highway 363
Coordinates35.8009, -87.11525
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2020)
Projected traffic224 by 2040
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 with deck rehabilitation or replacement
Estimated improvement cost$223,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A363 over Leipers Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nfa A363 over Leipers 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 A363 over Leipers Creek carry?

About 140 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A363 over Leipers Creek?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 17 ft wide.

Who owns Nfa A363 over Leipers Creek?

It is owned by the County Highway Agency.