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Nfa A278 over Little Turnbull Creek

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

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

Nfa A278 over Little Turnbull Creek in Dickson 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 1955, making it 70 years old at the 2025 inventory.
It carries about 490 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 12 of the 242 inventoried bridges in Dickson County rated poor (5.0%); 12 (5.0%) 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 62 ft
Location	0.5 M. E. Williamson Co L
NBI structure number	220A2780001
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I40 over I40 Rl /SR 840-rmp-nw&se	2000	50,777	Fair
I40 over I40 Ll /SR 840-rmp-nw&se	2000	50,777	Fair
I40 over Piney River & Nfa A361	1963	34,978	Fair
I40 over Piney River & Nfa A361	1963	34,978	Fair
I40 over I40-rl / East Piney Rd.	1963	34,978	Poor
I40 over I40-ll / East Piney Rd.	1963	34,978	Poor