A 19-year-old man has died after being hit by a truck on the South Eastern Freeway near Murray Bridge.

Emergency services were called to a spot near the Swanport Road interchange, about a kilometre west of the Swanport Bridge, at 10.20pm on Sunday.

They pronounced the Millicent man dead at the scene.

The truck driver was not physically hurt.

Major crash investigators are looking into the circumstances of the death, which was the 60th on South Australian roads this year.

Seventy-five people had died on SA’s roads by this time last year.

Photo: Peri Strathearn.