SR 15 over Auglaize River

Defiance County, Ohio · rated Fair in the 2025 National Bridge Inventory

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

• SR 15 over Auglaize River in Defiance County, Ohio, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
• It was built in 1991, making it 34 years old at the 2025 inventory.
• It carries about 13,870 vehicles a day (traffic count year 2015).
• Its listed owner is the state highway agency.
• It is one of 32 of the 159 inventoried bridges in Defiance County rated fair (20.1%); 1 (0.6%) are rated poor.
• A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

View this bridge on a map → (41.28531, -84.35821)

Component ratings

Bridge details

Source: FHWA National Bridge Inventory, 2025 data as reported by the Ohio department of transportation.

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