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Ky-399 over Duck Fork Creek

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

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

Ky-399 over Duck Fork Creek in Lee 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 1977, making it 48 years old at the 2025 inventory.
It carries about 369 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 24 of the 42 inventoried bridges in Lee County rated fair (57.1%); 2 (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	Prestressed concrete multiple box beam
Length	about 32 ft
Location	.1 Mi S of S-jct Ky 587
NBI structure number	065B00023N
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Cs 1031 over Crystal Creek	1936	7,580	Fair
Ky-11 over N. Fork of Kentucky Rive	1962	7,080	Fair
Ky-11 over S. Fork of Kentucky Rive	1956	5,683	Fair
Ky 0052 over Crystal Creek	2008	3,265	Good
Ky-52 over Middle Fk.kentucky River	1951	1,891	Good
Ky-52 over CSX Railroad	1987	1,891	Fair