Interstate 74 in Ohio
| I-74 highlighted in red | ||||
| Route information | ||||
| Maintained by ODOT | ||||
| Length | 19.47 mi (31.33 km) | |||
| NHS | Entire route | |||
| Major junctions | ||||
| West end | I-74 at Indiana state line | |||
| 
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| East end | I-75 / US 52 in Cincinnati | |||
| Location | ||||
| Country | United States | |||
| State | Ohio | |||
| Counties | Hamilton | |||
| Highway system | ||||
| 
 | ||||
| 
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Interstate 74 (I-74) in the US state of Ohio runs for 19.47 miles (31.33 km) southeast from the Indiana border to the western segment's current eastern terminus at I-75 just north of Downtown Cincinnati. It is also signed with U.S. Route 52 (US 52) for its entire length.