Home › Tennessee › Roane County › I40 Lf Ln over SR 58

I40 Lf Ln over SR 58

Roane County, Tennessee · rated Fair in the 2025 National Bridge Inventory

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

I40 Lf Ln over SR 58 in Roane County, Tennessee, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1969, making it 56 years old at the 2025 inventory.
It carries about 51,799 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 78 of the 159 inventoried bridges in Roane County rated fair (49.1%); 4 (2.5%) 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 concrete tee beam
Length	about 166 ft
Location	1.3 M NE Jct SR1&SR326
NBI structure number	73I00400024
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I40 over Youngs Creek	1969	51,799	Fair
I40 Rt Ln over SR 58	1969	51,799	Fair
I40 Rt Ln over Nfa 1226	1969	49,070	Fair
I40 Lf Ln over Nfa 1226	1969	49,070	Fair
I40 Rt Ln over Clinch River & Nfa A774	1960	49,070	Fair
I40 Rt Ln over SR 58	1969	49,070	Fair