Interstate 175
| South Bay Drive | ||||
I-175 highlighted in red | ||||
| Route information | ||||
| Auxiliary route of I-75 | ||||
| Maintained by FDOT | ||||
| Length | 1.372 mi (2.208 km) | |||
| Existed | 1980–present | |||
| NHS | Entire route | |||
| Major junctions | ||||
| West end | I-275 in St. Petersburg | |||
| East end | SR 594 / SR 687 in St. Petersburg | |||
| Location | ||||
| Country | United States | |||
| State | Florida | |||
| Counties | Pinellas | |||
| Highway system | ||||
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Interstate 175 (I-175) in St. Petersburg, Florida, also known as South Bay Drive, is a 1.3-mile-long (2.1 km) spur route from I-275 into downtown St. Petersburg. It is also designated as the unsigned highway State Road 594 (SR 594). There is a sibling segment of freeway nearby designated as I-375.