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Natchez Trace Park over Ms Route 43

Madison County, Mississippi · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Natchez Trace Park over Ms Route 43 in Madison County, Mississippi, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1968, making it 57 years old at the 2025 inventory.
It carries about 1,600 vehicles a day (traffic count year 2024).
It is one of 140 of the 311 inventoried bridges in Madison County rated fair (45.0%); 10 (3.2%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 197 ft
Location	7.22 Miles From Cypress S
NBI structure number	5570125P0000000
Condition class	Fair

Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.

Bridge	Built	Vehicles/day	Condition
I 55 over Purple Creek	1979	104,000	Good
I 55 over US 51 & Cnic RR	1985	47,000	Fair
I 55 over US 51 & Cnic RR	1985	47,000	Fair
I 55 over I 220E to I 55 North	1979	47,000	Fair
I 55 over I 220E to I 55 North	1979	47,000	Fair
I 220 over Ditch	1977	47,000	Good