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Ky-3392 over Troublesome Crk @ Carrie

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

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

Ky-3392 over Troublesome Crk @ Carrie in Knott 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 2007, making it 18 years old at the 2025 inventory.
It carries about 464 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 58 of the 141 inventoried bridges in Knott County rated good (41.1%); 14 (9.9%) 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	Continuous prestressed concrete single box beam
Length	about 107 ft
Location	Lower Mill Creek Rd
NBI structure number	060B00078N
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Ky-160 over R Frk Troublesome Crk	1941	7,613	Fair
Ky-160 over Lt Fk Troublesome Creek	1978	6,705	Fair
Ky-899 over Rt Fk Troublesome Crk	1998	4,811	Good
Ky-15 over Carr Fork Lake	1972	4,778	Fair
Ky-15 over Red Oak Branch	1972	4,778	Good
Ky-15 over Carr Fork Reservoir	1972	4,604	Fair