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Ky-408 over Purchase Parkway

Marshall County, Kentucky · rated Fair in the 2025 National Bridge Inventory

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

Ky-408 over Purchase Parkway in Marshall County, Kentucky, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1967, making it 58 years old at the 2025 inventory.
It carries about 1,137 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 114 of the 207 inventoried bridges in Marshall County rated fair (55.1%); 10 (4.8%) 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	Continuous concrete single box beam
Length	about 160 ft
Location	.80 Mi West of Jct US 641
NBI structure number	079B00103N
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-24 over I-69	2015	34,367	Good
I-24 over Br- Little John Ck	1973	32,716	Good
I 24 Non Cardinal over US 62	1976	17,539	Fair
I-24 over US 62	1976	17,539	Good
I 24 Non Cardinal over Cypress Creek Canal	1976	17,539	Fair
I-24 over Cypress Creek Canal	1976	17,539	Fair