Home › Tennessee › Grainger County › Nfa A406 over Richland Creek

Nfa A406 over Richland Creek

Grainger County, Tennessee · rated Fair in the 2025 National Bridge Inventory

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

Nfa A406 over Richland Creek in Grainger County, Tennessee, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1970 and reconstructed in 2023, making it 55 years old at the 2025 inventory.
It carries about 80 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 60 of the 88 inventoried bridges in Grainger County rated fair (68.2%); 4 (4.5%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 50 ft
Location	East of SR1
NBI structure number	290A4060001
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Fap 1 over Meadow Creek	1945	13,327	Fair
Fap 1 over SR 32	1998	13,327	Good
Fap 32 over Briar Fork Creek	1942	10,846	Fair
Fap 1 over Branch	2003	10,315	Good
Fap 32 over Indian Creek	1981	8,247	Fair
Fap 32 over Clinch River	2009	8,247	Good