Ohio State Route 190

State Route 190
State Route 190
Route information
	Maintained by ODOT
Length	8.93 mi (14.37 km)
Existed	1923–present
Major junctions
South end	SR 66 / SR 697 in Delphos
North end	US 224 near Ottoville
Location
Country	United States
State	Ohio
Counties	Allen, Putnam
Highway system
	Ohio State Highway System; Interstate; US; State; Scenic;

State Route 190 (SR 190) is a 8.93-mile-long (14.37 km) north–south state highway in the western portion of the U.S. state of Ohio. The southern terminus of SR 190 is at an intersection with SR 66 in Delphos. Its northern terminus is at an intersection with US 224 approximately 4 miles (6.4 km) east of Ottoville.

SR 190 designation was applied in the mid-1920s, to some of the same route as today, the rest was SR 106. A year after its designation it was extended, replacing a section of SR 106. The last section of road was paved in the late 1930s.

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