US Bridges

Natchez Trace Park over County Road

Fair

Hickman County, Tennessee · 18.7 Miles from Tn Route · Structure no. 5570263P0000000

Built
1978
47 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
147 ft
3 main spans
Daily traffic
460
2024 count
Owner
Federal
National Park Service

About this bridge

Natchez Trace Park over County Road is a prestressed concrete continuous stringer/multi-beam or girder carrying Natchez Trace Park over County Road in Hickman County, Tennessee. It was built in 1978, so it is 47 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 147 ft (44.8 m) long and 33 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

Location

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CarriesNatchez Trace Park
CrossesCounty Road
Location18.7 Miles from Tn Route
RouteFederal Lands Road 1
CountyHickman County
StateTennessee
Coordinates35.69736, -87.29675
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.
Substructure7 GoodSome minor problems.
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 rating55 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length147 ft (44.8 m)
Longest span66 ft (20.1 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.3 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 closed31.7 mi (51 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$75,000 (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Natchez Trace Park over County Road built?

It was built in 1978, making it 47 years old in 2025.

What condition is Natchez Trace Park over County 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 County Road carry?

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

How long is Natchez Trace Park over County Road?

The structure is 147 ft (44.8 m) long with a longest span of 66 ft (20.1 m) and a deck 33 ft wide.

Who owns Natchez Trace Park over County Road?

It is owned by the National Park Service.