Nfsr 1178 over Chattooga River (complex
Macon County, North Carolina · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfsr 1178 over Chattooga River (complex in Macon County, North Carolina, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1934, making it 91 years old at the 2025 inventory.
- It carries about 50 vehicles a day.
- It is one of 48 of the 224 inventoried bridges in Macon County rated poor (21.4%); 48 (21.4%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated September 2022, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (35.01588, -83.12653)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel through truss |
| Length | about 82 ft |
| Location | National Forest |
| NBI structure number | 081106000003086 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | September 2022 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Carolina department of transportation.
Busiest bridges in Macon County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US23 Nbl over US64 NC28 | 1972 | 25,000 | Fair |
| US23 441 over Cartoogechaye Creek | 1956 | 22,500 | Fair |
| US23 441 over Rabbit Creek | 1953 | 21,000 | Fair |
| US23 441 over Watauga Creek | 1979 | 17,500 | Good |
| US23 441 over Skeenah Creek | 1956 | 15,000 | Good |
| US23 441 over Coweeta Creek | 1956 | 13,500 | Good |
All bridges nearby: Macon County, NC bridge conditions · every bridge in Macon County · North Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.