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Ky 3177 over Walnut Flat Creek

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

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

Ky 3177 over Walnut Flat Creek in Lincoln County, Kentucky, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1978, making it 47 years old at the 2025 inventory.
It carries about 262 vehicles a day (traffic count year 2019).
Its listed owner is the state highway agency.
It is one of 109 of the 136 inventoried bridges in Lincoln County rated fair (80.1%); 6 (4.4%) 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	Prestressed concrete multiple box beam
Length	about 41 ft
Location	1 Mi E of Jct Ky 1770
NBI structure number	069B00060N
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US-150 over Rankins Creek	1959	13,930	Fair
US-0150 over Hanging Fork Creek	1959	13,930	Fair
US-150 over Slough of Hanging Frk	1959	13,930	Fair
US-27 over Logan Creek	1958	13,099	Fair
US-150 over Hawkins Branch	1959	12,261	Fair
US-27 over St. Asaph Creek	1959	10,437	Fair