Irr Bia Rte 405 over Bunches Creek
Swain County, North Carolina · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Irr Bia Rte 405 over Bunches Creek in Swain County, North Carolina, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1990, making it 35 years old at the 2025 inventory.
- It carries about 460 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.
View this bridge on a map → (35.56051, -83.2462)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Aluminum or iron culvert |
| Length | about 24 ft |
| Location | 11.4 Km N of Cherokee Nc |
| NBI structure number | 00000000000S260 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Carolina department of transportation.
Busiest bridges in Swain County
| 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 |
All bridges nearby: Swain County, NC bridge conditions · every bridge in Swain County · North Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.