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127 Bypass South R over Southern RR

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

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

127 Bypass South R over Southern RR in Mercer 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 1996, making it 29 years old at the 2025 inventory.
It carries about 4,783 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 25 of the 76 inventoried bridges in Mercer County rated good (32.9%); 6 (7.9%) 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 stringer or multi-beam girder
Length	about 223 ft
Location	0.7 Mi S Jct W/ky 152
NBI structure number	084B00041L
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Danville Road over Dry Creek	1952	10,414	Fair
Harrodsburg Bypass over Pioneer Creek	1996	9,565	Fair
Martha Layne Colli over Salt River	1965	7,450	Fair
Bg-9002 over Salt River	1965	7,450	Fair
Harrodsburg Bypass over Southern Railroad	1996	4,783	Good
Ky 152 over Salt River	1929	4,500	Fair