Mc Lean County Highway 30 runs east-west south of Bloomington. This connects U.S. Rt. 51 to U.S. Rt. 150. Mc LCH 30 does not pass through any towns in Mc Lean County. Mc LCH 30 crosses the following highways in Mc Lean County. U.S. Rt. 150, near Bloomington. Interstate 74, near Bloomington. (NO INTERCHANGE) U.S. Rt. 51, south of Bloomington.