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I40 over Buffalo River

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

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

I40 over Buffalo River in Humphreys County, Tennessee, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1964 and reconstructed in 1984, making it 61 years old at the 2025 inventory.
It carries about 35,368 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 169 of the 252 inventoried bridges in Humphreys County rated fair (67.1%); 9 (3.6%) 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	Continuous steel stringer or multi-beam girder
Length	about 1,765 ft
Location	5.1 Mi.w.of Hickman Co.
NBI structure number	43I00400011
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I40 over Branch	1965	35,730	Fair
I40 over Branch	1965	35,730	Fair
I40 over South Fork Blue Creek	1965	35,649	Fair
I40 over South Fork Blue Creek	1965	35,649	Fair
I40 over Branch	1964	35,368	Fair
I40 over Branch	1964	35,368	Fair