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Ky-34 over Herrington Lake

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

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

Ky-34 over Herrington Lake in Boyle 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1990, making it 35 years old at the 2025 inventory.
It carries about 12,188 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 69 of the 89 inventoried bridges in Boyle County rated fair (77.5%); 4 (4.5%) 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 638 ft
Location	West / Garrard Co Line
NBI structure number	011B00053N
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US-127B over Clarks Run Creek	1969	24,003	Fair
US-127 over Mocks Branch	1958	16,063	Fair
US-150 over NS RR and Harding St	1949	13,146	Fair
US 127B over NS (cno&tp) System	1971	12,002	Fair
US-127B over Norfolk Southern	1991	12,002	Fair
US-150 over Salt River	1964	7,818	Fair