Every bridge in Decatur County, Iowa
199 inventoried bridges, busiest first
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Decatur County, Iowa, has 199 bridges in the 2025 National Bridge Inventory: 37 rated good, 84 fair, and 78 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.
Decatur County bridge conditions · Iowa bridges by county.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.