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I-64 WB on Ramp 1 over I-64 Ramp 4 & US 31W WB

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

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

I-64 WB on Ramp 1 over I-64 Ramp 4 & US 31W WB in Jefferson 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1975, making it 50 years old at the 2025 inventory.
It carries about 58,404 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 546 of the 677 inventoried bridges in Jefferson County rated fair (80.6%); 53 (7.8%) 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 girder and floorbeam
Length	about 1,209 ft
Location	0.20 Mi N of US 31W
NBI structure number	056B00300N
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-65 & Ramps over I-264 EB on Ramp	1988	168,682	Fair
I-264 over US 31E (bardstown Rd)	1993	166,875	Fair
I-264 over Weicher Creek	1951	166,324	Fair
I-264 over Ky 155 (taylorsville Rd)	1993	163,305	Fair
I-65 over Grade Ln	1988	159,448	Fair
I-65 over Standiford Ln	1988	159,448	Poor