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Ky-491 over Ky 491 over I-75

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

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

Ky-491 over Ky 491 over I-75 in Grant 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 2001, making it 24 years old at the 2025 inventory.
It carries about 10,163 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 45 of the 79 inventoried bridges in Grant County rated good (57.0%); 6 (7.6%) 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 289 ft
Location	2 Mi NW of Jct US 25
NBI structure number	041B00048N
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-75 over Three Fork Creek	1963	44,363	Fair
I-75 Southbound over Ragtown Road	2007	22,182	Good
I-75 Northbound over Ragtown Road	2007	22,182	Good
Ky-22 over I-75 @ 158.54	1998	16,492	Good
US-25 over NS (cno&tp) System	1983	9,818	Good
Ky-36 over I-75	1961	6,573	Fair