US Bridges

Natchez Trace Park over Leatherwood Road

Fair

Maury County, Tennessee · 1.05 Miles to Tn Route 50 · Structure no. 5570419P0000000

Built
1987
38 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
159 ft
2 main spans
Daily traffic
460
2024 count
Owner
Federal
National Park Service

About this bridge

Natchez Trace Park over Leatherwood Road is a prestressed concrete continuous stringer/multi-beam or girder carrying Natchez Trace Park over Leatherwood Road in Maury County, Tennessee. It was built in 1987, so it is 38 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 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 460 vehicles a day, roughly 2% of them trucks, projected to reach 506 by 2044. The structure is 159 ft (48.4 m) long and 37 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

Location

Open in Google Maps
CarriesNatchez Trace Park
CrossesLeatherwood Road
Location1.05 Miles to Tn Route 50
RouteFederal Lands Road 1
CountyMaury County
StateTennessee
Coordinates35.72583, -87.24703
Functional classRural Minor 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length159 ft (48.4 m)
Longest span80 ft (24.4 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic460 (2024)
Projected traffic506 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed60.3 mi (97 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$365,000 (2019 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Natchez Trace Park over Leatherwood Road built?

It was built in 1987, making it 38 years old in 2025.

What condition is Natchez Trace Park over Leatherwood Road 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 March 2023.

How much traffic does Natchez Trace Park over Leatherwood Road carry?

About 460 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Natchez Trace Park over Leatherwood Road?

The structure is 159 ft (48.4 m) long with a longest span of 80 ft (24.4 m) and a deck 37 ft wide.

Who owns Natchez Trace Park over Leatherwood Road?

It is owned by the National Park Service.