Every bridge in Mellette County, South Dakota
28 inventoried bridges, busiest first
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Mellette County, South Dakota, has 28 bridges in the 2025 National Bridge Inventory: 9 rated good, 17 fair, and 2 poor (as of ).
- This index lists every one of them, busiest first; each links to its own condition record.
Source: FHWA National Bridge Inventory, 2025.
Mellette County bridge conditions · South Dakota bridges by county.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.