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US 42 over Millers Branch

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

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

US 42 over Millers Branch in Trimble 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 1985, making it 40 years old at the 2025 inventory.
It carries about 1,493 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 39 of the 46 inventoried bridges in Trimble County rated fair (84.8%); 4 (8.7%) 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 54 ft
Location	1.9 Mi W of Carroll Cl
NBI structure number	112B00027N
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 421 over Ohio River	2014	8,975	Fair
US 421 Escape Ramp over Tiber Creek	1989	5,533	Fair
Ky 36 over Canip Creek	1933	3,978	Poor
US 421 over Little Kentucky River	1982	2,170	Fair
US 421 over Town Branch	1984	2,170	Fair
US 421 over Trib to Town Branch	1984	2,170	Good