Home › Kentucky › Mason County › Ky-324 over Mill Creek

Ky-324 over Mill Creek

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

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

Ky-324 over Mill Creek in Mason 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1980, making it 45 years old at the 2025 inventory.
It carries about 890 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 59 of the 97 inventoried bridges in Mason County rated fair (60.8%); 8 (8.2%) 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	Continuous prestressed concrete stringer or multi-beam girder
Length	about 166 ft
Location	0.4 Mi. W. -jct Ky 11
NBI structure number	081B00052N
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Ky-9 over Lawrence Creek	1983	12,217	Good
US-62X over Limestone Creek	1954	10,454	Fair
US-62X over Limestone Creek	1963	9,230	Fair
Ky-9 over Trans-ky Trans.rr	1988	7,844	Fair
Ky-11 over Limestone Creek	1960	6,346	Fair
Ky-11 over Mill Creek	1991	6,346	Fair