State Route 184 or SR-184 is a 14.891-mile (23.965 km) state highway that serves as an east-west connection between Sheffield and SR-101. SR-185 intersects US-43/US-72 at its western terminus and SR-101 at its eastern terminus in Lawrence County.

State Route 184 begins at its intersection with US-43/72 in Sheffield. From this point, the route travels in an easterly direction intersecting SR-133 and the access road to the Northwest Alabama Regional Airport. SR-184 then continues its eastern track through its eastern terminus at SR-101.