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Irr Bia Route 405 over Bunches Creek

Swain County, North Carolina · rated Good in the 2025 National Bridge Inventory

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

Irr Bia Route 405 over Bunches Creek in Swain County, North Carolina, 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 1996, making it 29 years old at the 2025 inventory.
It carries about 50 vehicles a day (traffic count year 2024).
It is one of 33 of the 131 inventoried bridges in Swain County rated good (25.2%); 15 (11.5%) 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	Prestressed concrete multiple box beam
Length	about 49 ft
Location	12.1 Km NE of Cherokee Nc
NBI structure number	00000000000S270
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Irr SR1378 over Oconaluftee River	1972	14,000	Fair
US74 SR1193 over Connelly Creek	1976	13,500	Fair
US19 over Oconaluftee River	2010	13,000	Good
US19 74 NC28 over Little Tennessee River	1982	9,900	Fair
SR1323 over Tuckasegee River	1969	9,800	Fair
US441 over Oconaluftee River Gov.rd	1987	8,900	Fair