US Bridges

Natchez Trace Park over Ms Route 547

Fair

Claiborne County, Mississippi · 1.9 Miles South of Ms Ro · Structure no. 5570179P0000000

Built
1965
60 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
107 ft
3 main spans
Daily traffic
440
2024 count
Owner
Federal
National Park Service

About this bridge

Natchez Trace Park over Ms Route 547 is a concrete continuous slab carrying Natchez Trace Park over Ms Route 547 in Claiborne County, Mississippi. It was built in 1965, so it is 60 years old, older than the Mississippi average of 38.9 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 440 vehicles a day, roughly 5% of them trucks, projected to reach 484 by 2044. The structure is 107 ft (32.6 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNatchez Trace Park
CrossesMs Route 547
Location1.9 Miles South of Ms Ro
RouteFederal Lands Road 1
Coordinates31.94052, -90.97223
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadH 15
Structure length107 ft (32.6 m)
Longest span43 ft (13.1 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic440 (2024)
Projected traffic484 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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$9,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Natchez Trace Park over Ms Route 547 built?

It was built in 1965, making it 60 years old in 2025.

What condition is Natchez Trace Park over Ms Route 547 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 February 2025.

How much traffic does Natchez Trace Park over Ms Route 547 carry?

About 440 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Natchez Trace Park over Ms Route 547?

The structure is 107 ft (32.6 m) long with a longest span of 43 ft (13.1 m) and a deck 32 ft wide.

Who owns Natchez Trace Park over Ms Route 547?

It is owned by the National Park Service.