Bridge conditions in Otsego County, Michigan

25 inventoried bridges · 2 rated poor · 2025 National Bridge Inventory

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

Otsego County tracks close to typical: 2 of its 25 inventoried bridges (8.0%) are rated poor, against a national rate of about 7%.

• 2 of the 25 bridges in Otsego County, Michigan, are rated in poor condition (8.0%) in the 2025 National Bridge Inventory, as of August 20, 2026.
• 3 bridges (12.0%) are rated good and 20 (80.0%) fair.
• The median Otsego County bridge was built in 1962.
• The busiest poor-rated bridge is I-75 SB over M-32|w Main St (built 1961), carrying about 6,791 vehicles a day.

Good 12.0% · Fair 80.0% · Poor 8.0% of 25 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 Michigan: Michigan 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.