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Nfa A345 over Salt Lick Crk

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

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

Nfa A345 over Salt Lick Crk in Macon County, Tennessee, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1950 and reconstructed in 2006, making it 75 years old at the 2025 inventory.
It carries about 180 vehicles a day (traffic count year 2020).
Its listed owner is a city or municipal highway agency.
It is one of 8 of the 169 inventoried bridges in Macon County rated poor (4.7%); 8 (4.7%) 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	Steel stringer or multi-beam girder
Length	about 29 ft
Location	In Red Boiling Springs
NBI structure number	560A3450001
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
Fap 52 over Trammel Creek	1992	8,950	Good
Fap 52 over Long Hungry Creek	1972	4,936	Good
Fap 52 over Branch	1970	4,936	Good
Fap 52 over Long Fork Creek	1995	4,936	Good
Fap 52 over Branch	1995	4,936	Good
Fap 10 over Dry Branch	1942	4,889	Fair