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Nfa B255 over I75

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

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

Nfa B255 over I75 in Campbell 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 2005, making it 20 years old at the 2025 inventory.
It carries about 230 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 34 of the 137 inventoried bridges in Campbell County rated good (24.8%); 5 (3.6%) 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 stringer or multi-beam girder
Length	about 224 ft
Location	.7 M W of State Route 297
NBI structure number	07I00750023
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I75 over Branch	1962	41,884	Fair
I75 730919X over Better Chanee Rd & S Rwy	1961	41,884	Fair
I75 730919X over Frontage Road & Sou Rwy	1961	41,884	Fair
Fap 9 over I75	1964	32,569	Fair
Fap 9 over I75	1964	32,569	Fair
Fap 9 over Cove Lake	1968	32,569	Fair