Home › Kentucky › McLean County › Ky-81 over Unname Stream

Ky-81 over Unname Stream

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

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

Ky-81 over Unname Stream in McLean County, Kentucky, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1925, making it 100 years old at the 2025 inventory.
It carries about 1,530 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 60 of the 75 inventoried bridges in McLean County rated fair (80.0%); 8 (10.7%) 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

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

Bridge	Built	Vehicles/day	Condition
US-431 over Branch Buck Creek	1926	6,309	Fair
US-431 over Branch Buck Creek	1926	6,309	Fair
US-431 over Buck Creek	1968	6,309	Fair
US-431 over Green River & Rough Rive	1939	5,663	Fair
US-431 over Unnamed Stream to Green	1952	5,271	Fair
US-431 over Swamp Opposite L & N.r.r	1952	4,923	Fair