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KY 3 Connector over Rockcastle Creek

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

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

KY 3 Connector over Rockcastle Creek in Martin 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 2013, making it 12 years old at the 2025 inventory.
It carries about 250 vehicles a day (traffic count year 2015).
Its listed owner is the county highway agency.
It is one of 22 of the 70 inventoried bridges in Martin County rated good (31.4%); 10 (14.3%) 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 single box beam
Length	about 158 ft
Location	KY 3 & KY 40 Connector
NBI structure number	080C00056N
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Ky-40 over Rockcastle Creek	1953	4,804	Poor
Ky-645 over Middle Fork	2004	4,537	Good
Ky-645 over Becca Liz Ln	2005	4,537	Good
Ky-645 over KY-40 & Coldwater Fork	2010	4,537	Good
Ky-645 Ramp Ky-40 over Coldwater Fork	2006	4,537	Good
Ky 40 over Buck Creek	1929	4,308	Good