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Boone Br Rd over Three Prong Brushy

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

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

Boone Br Rd over Three Prong Brushy in Greenup 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 1994, making it 31 years old at the 2025 inventory.
It carries about 91 vehicles a day (traffic count year 2019).
Its listed owner is the county highway agency.
It is one of 83 of the 162 inventoried bridges in Greenup County rated good (51.2%); 3 (1.9%) 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 34 ft
Location	10 South Jct Ky 784
NBI structure number	045C00092N
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Diederick Street over White Oak Creek	1996	14,963	Fair
Diederick Street over White Oak Creek	1996	14,963	Fair
US-23 over Little Sandy River	1952	12,784	Fair
US-23 over Pond Run Creek	1974	11,135	Good
Ky-10 over C&o RR & Coal Branch	1985	9,240	Fair
Ky-10 over Greenup Dam Locks-ohio R	1986	9,240	Fair