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I26 over Tilson Rd (A045)

Unicoi County, Tennessee · rated Good in the 2025 National Bridge Inventory

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

I26 over Tilson Rd (A045) in Unicoi County, Tennessee, 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 1994, making it 31 years old at the 2025 inventory.
It carries about 8,759 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 83 of the 160 inventoried bridges in Unicoi County rated good (51.9%); 12 (7.5%) 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 single box beam
Length	about 166 ft
Location	1.5 Mi SE of Ernestville
NBI structure number	86I00260059
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I26 Rt Ln over Nfa A305 (tinker Rd)	1985	16,623	Good
I26 Lt Ln over Nfa A305 (tinker Rd)	1985	16,623	Good
I26 over Dry Creek	1985	16,623	Fair
I26 Rt Ln over Nfa A300-pippen Hollow R	1983	16,623	Good
I26 Lt Ln over Nfa A300-pippen Hollow R	1983	16,623	Good
I26 Rt Ln over N Indian CR & Nfa A309	1985	15,924	Good