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Interstate 64 Nc over Big Sandy River

Boyd County, Kentucky · rated Fair in the 2025 National Bridge Inventory

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

Interstate 64 Nc over Big Sandy River in Boyd County, Kentucky, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1998, making it 27 years old at the 2025 inventory.
It carries about 11,703 vehicles a day (traffic count year 2018).
Its listed owner is the state highway agency.
It is one of 54 of the 89 inventoried bridges in Boyd County rated fair (60.7%); 7 (7.9%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 1,115 ft
Location	Wbl @ W.va. State Line
NBI structure number	010B00046L
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US-60 over Shope Branch	1971	20,994	Fair
1-64 E/B Off Ramp over Little Sandy	2007	17,808	Good
I-64 W/B on Ramp over over Little Sandy	2007	17,808	Good
US23 SB\|Russell Rd over Hoods Creek	1965	14,578	Fair
US-23 over Hoods Creek	1965	14,578	Fair
US-23S over Ohio River CSX Streets	1930	13,737	Fair