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I-75 over US-25

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

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

I-75 over US-25 in Rockcastle County, Kentucky, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
It was built in 2020, making it 5 years old at the 2025 inventory.
It carries about 40,386 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 17 of the 87 inventoried bridges in Rockcastle County rated good (19.5%); 8 (9.2%) 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 242 ft
Location	Exit 59 US25 @ 11.75 MP
NBI structure number	102B00078N
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-75 over Lambert Road	1967	47,638	Fair
I-75 over Clay Lick Branch	1967	47,638	Fair
I-75 over Green Hill Road	2018	47,638	Good
I-75 over US-25	2018	47,638	Good
I-75 over Flat Gap Road	1967	23,819	Fair
I-75 S Nc over Flat Gap Road	1967	23,819	Fair