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National Road over Auglaize River

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

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

National Road over Auglaize River in Auglaize County, Ohio, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1974, making it 51 years old at the 2025 inventory.
It carries about 721 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 54 of the 321 inventoried bridges in Auglaize County rated fair (16.8%); 1 (0.3%) 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.

Component ratings


Structure	Prestressed concrete multiple box beam
Length	about 193 ft
Location	0.4 Mi. W. of S.R. 198
NBI structure number	0633003
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Ir-75 over Quaker Run	1958	35,347	Good
Ir-75 over Usr 33	1959	18,354	Fair
Ir-75 over Usr 33	1959	18,354	Fair
Ir-75 over Penn Central R.R.	1958	18,354	Good
Ir-75 over Penn Central R.R.	1958	18,354	Good
Ir-75 over Pusheta Creek	1962	18,325	Good