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Ky-256 over Porters Ditch

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

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

Ky-256 over Porters Ditch in McLean County, Kentucky, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1987, making it 38 years old at the 2025 inventory.
It carries about 242 vehicles a day (traffic count year 2019).
Its listed owner is the state highway agency.
It is one of 7 of the 75 inventoried bridges in McLean County rated good (9.3%); 8 (10.7%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete multiple box beam
Length	about 67 ft
Location	3.6 Mi W of Jct Ky 81
NBI structure number	075B00068N
Condition class	Good

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