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Nfa A348 over Duck River

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

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

Nfa A348 over Duck River in Coffee 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 1987, making it 38 years old at the 2025 inventory.
It carries about 110 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 53 of the 217 inventoried bridges in Coffee County rated good (24.4%); 21 (9.7%) 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 293 ft
Location	on Powers Bridge Rd
NBI structure number	160A3480001
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I24 Ebl over SR 64	1968	45,739	Fair
I24 Wbl over SR 64	1968	45,739	Fair
I24 Ebl over Garrison Fork Creek	1968	44,829	Fair
I24 Wbl over Garrison Fork Creek	1968	44,829	Fair
I24 Ebl over Mcbride Branch & Nfa A12	1968	44,829	Fair
I24 Wbl over Mcbride Branch & Nfa A12	1968	44,829	Fair