US Bridges

Natchez Trace Park over Tn Route 7

Good

Maury County, Tennessee · 7.8 Miles from Tn Route 5 · Structure no. 5570428P0000000

Built
1989
36 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
186 ft
3 main spans
Daily traffic
310
2024 count
Owner
Federal
National Park Service

About this bridge

Natchez Trace Park over Tn Route 7 is a prestressed concrete continuous stringer/multi-beam or girder carrying Natchez Trace Park over Tn Route 7 in Maury County, Tennessee. It was built in 1989, so it is 36 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 310 vehicles a day, roughly 2% of them trucks, projected to reach 341 by 2044. The structure is 186 ft (56.8 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNatchez Trace Park
CrossesTn Route 7
Location7.8 Miles from Tn Route 5
RouteFederal Lands Road 1
Coordinates35.79747, -87.18878
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length186 ft (56.8 m)
Longest span87 ft (26.6 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2024)
Projected traffic341 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$344,000 (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Natchez Trace Park over Tn Route 7 built?

It was built in 1989, making it 36 years old in 2025.

What condition is Natchez Trace Park over Tn Route 7 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Natchez Trace Park over Tn Route 7 carry?

About 310 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Natchez Trace Park over Tn Route 7?

The structure is 186 ft (56.8 m) long with a longest span of 87 ft (26.6 m) and a deck 37 ft wide.

Who owns Natchez Trace Park over Tn Route 7?

It is owned by the National Park Service.