US Bridges

Natchez Trace Park over Ms 6 and 278

Good

Lee County, Mississippi · Natchez Trace Parkway Ove · Structure no. 5570507P0000000

Built
2010
15 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
570 ft
3 main spans
Daily traffic
3,600
2024 count
Owner
Federal
National Park Service

About this bridge

Natchez Trace Park over Ms 6 and 278 is a prestressed concrete continuous box beam or girders - single or spread carrying Natchez Trace Park over Ms 6 and 278 in Lee County, Mississippi. It was built in 2010, so it is 15 years old, younger than the Mississippi average of 38.9 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 3,600 vehicles a day, roughly 1% of them trucks, projected to reach 3,960 by 2044. The structure is 570 ft (173.7 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNatchez Trace Park
CrossesMs 6 and 278
LocationNatchez Trace Parkway Ove
RouteFederal Lands Road 1
CountyLee County
StateMississippi
Coordinates34.21247, -88.78172
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating52 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length570 ft (173.7 m)
Longest span230 ft (70.1 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2024)
Projected traffic3,960 by 2044
Trucks1%
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$60,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Natchez Trace Park over Ms 6 and 278 built?

It was built in 2010, making it 15 years old in 2025.

What condition is Natchez Trace Park over Ms 6 and 278 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 Ms 6 and 278 carry?

About 3,600 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Natchez Trace Park over Ms 6 and 278?

The structure is 570 ft (173.7 m) long with a longest span of 230 ft (70.1 m) and a deck 37 ft wide.

Who owns Natchez Trace Park over Ms 6 and 278?

It is owned by the National Park Service.