US Bridges

Natchez Trace Park over Ms Route 30

Good

Tishomingo County, Mississippi · 4.5 Miles North of Ms Rou · Structure no. 5570037P0000000

Built
1971
54 years old
Condition
Good
inspected February 2025
Type
Slab
Concrete Continuous
Length
134 ft
3 main spans
Daily traffic
500
2024 count
Owner
Federal
National Park Service

About this bridge

Natchez Trace Park over Ms Route 30 is a concrete continuous slab carrying Natchez Trace Park over Ms Route 30 in Tishomingo County, Mississippi. It was built in 1971, so it is 54 years old, older 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 500 vehicles a day, roughly 5% of them trucks, projected to reach 550 by 2044. The structure is 134 ft (40.8 m) long and 32 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesNatchez Trace Park
CrossesMs Route 30
Location4.5 Miles North of Ms Rou
RouteFederal Lands Road 1
Coordinates34.63378, -88.15275
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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31 US tons
Inventory rating18 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length134 ft (40.8 m)
Longest span52 ft (15.8 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2024)
Projected traffic550 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed29.8 mi (48 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$45,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Natchez Trace Park over Ms Route 30 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Natchez Trace Park over Ms Route 30 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 February 2025.

How much traffic does Natchez Trace Park over Ms Route 30 carry?

About 500 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Natchez Trace Park over Ms Route 30?

The structure is 134 ft (40.8 m) long with a longest span of 52 ft (15.8 m) and a deck 32 ft wide.

Who owns Natchez Trace Park over Ms Route 30?

It is owned by the National Park Service.