US Bridges

Natchez Trace Park over Duck River

Good

Hickman County, Tennessee · 0.35 Miles to Tn Route 50 · Structure no. 5570372P0000000

Built
1987
38 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
860 ft
4 main spans
Daily traffic
310
2024 count
Owner
Federal
National Park Service

About this bridge

Natchez Trace Park over Duck River is a prestressed concrete continuous box beam or girders - single or spread carrying Natchez Trace Park over Duck River in Hickman 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 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 860 ft (262.1 m) long and 37 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

CarriesNatchez Trace Park
CrossesDuck River
Location0.35 Miles to Tn Route 50
RouteFederal Lands Road 1
Coordinates35.71628, -87.26408
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.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating61 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadHS 20
Structure length860 ft (262.1 m)
Longest span250 ft (76.2 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 and waterway
Detour if closed32.9 mi (53 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$165,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Natchez Trace Park over Duck River built?

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

What condition is Natchez Trace Park over Duck River 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 Duck River carry?

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

How long is Natchez Trace Park over Duck River?

The structure is 860 ft (262.1 m) long with a longest span of 250 ft (76.2 m) and a deck 37 ft wide.

Who owns Natchez Trace Park over Duck River?

It is owned by the National Park Service.