Home › Kentucky › Carter County › Ky-6231 over I-64

Ky-6231 over I-64

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

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

Ky-6231 over I-64 in Carter 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 1971, making it 54 years old at the 2025 inventory.
It carries about 97 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 37 of the 189 inventoried bridges in Carter County rated good (19.6%); 10 (5.3%) 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	Continuous prestressed concrete stringer or multi-beam girder
Length	about 184 ft
Location	2 Mi NW of Jct US 60
NBI structure number	022B00086N
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Industrial Park Ac over I-64	1999	21,901	Good
I-64 over Smiths Branch	1967	16,059	Fair
I-64 over Smith Run & Smith Run Rd	1969	12,868	Fair
I-64 over Flat Fork Creek	1969	12,868	Fair
Interstate 64 over L. Sandy River & Ky 1910	1971	10,951	Fair
I-64 over Little Sandy River	1971	10,951	Fair