Bridge conditions in Carroll County, Missouri

374 inventoried bridges · 65 rated poor · 2025 National Bridge Inventory

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

Of the 374 Carroll County bridges in the federal inventory, 65 carry a poor rating. That 17.4% share is roughly 3x the national average.

• 65 of the 374 bridges in Carroll County, Missouri, are rated in poor condition (17.4%) in the 2025 National Bridge Inventory, as of August 20, 2026.
• 109 bridges (29.1%) are rated good and 200 (53.5%) fair.
• The median Carroll County bridge was built in 1987.
• The busiest poor-rated bridge is US 24 E over Grand Rvr (built 1987), carrying about 1,938 vehicles a day.

Good 29.1% · Fair 53.5% · Poor 17.4% of 374 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 Missouri: Missouri 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.