Route 185 is a highway in eastern Missouri.

Its northern terminus is at Route 100 west of Washington; its southern terminus is at Route 8 in Potosi.

A spur of Highway 185 goes into Meramec State Park, Miramiguoa Park, and Meramec Conservation Area.

Route 185 Spur is a two-mile-long (3.2 km), winding road that leads into Miramiguoa Park on the east side of Sullivan.

This Missouri road-related article is a stub.