Bridge conditions in Blackford County, Indiana

73 inventoried bridges · 3 rated poor · 2025 National Bridge Inventory

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

3 of the 73 bridges the federal inventory lists in Blackford County are rated poor; the rest split 23 good and 47 fair.

• 3 of the 73 bridges in Blackford County, Indiana, are rated in poor condition (4.1%) in the 2025 National Bridge Inventory, as of August 20, 2026.
• 23 bridges (31.5%) are rated good and 47 (64.4%) fair.
• The median Blackford County bridge was built in 1987.
• The busiest poor-rated bridge is SR 3 over Prairie Creek (built 1932), carrying about 2,249 vehicles a day.

Good 31.5% · Fair 64.4% · Poor 4.1% of 73 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Busiest bridges in the county

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

All of Indiana: Indiana bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.