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Nfa A364 over Overflow

Madison County, Tennessee · rated Poor in the 2025 National Bridge Inventory

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

Nfa A364 over Overflow in Madison County, Tennessee, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
It was built in 1945, making it 80 years old at the 2025 inventory.
It carries about 10 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 17 of the 418 inventoried bridges in Madison County rated poor (4.1%); 17 (4.1%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Timber stringer or multi-beam girder
Length	about 37 ft
Location	1.3 Mi N Jct SR18&HAEDEMA
NBI structure number	570A3640001
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I40 299209Y over Ic RR & Dyer Creek	2022	54,117	Fair
I40 299399E over Icg RR	2022	54,117	Fair
I40 over SR 5	2019	53,881	Good
I40 over Overflow	1960	49,487	Fair
I40 over Overflow	1960	49,487	Fair
I40 over So. Fork Forked Deer Riv	1960	49,487	Fair