The crash happened along near the Moore-Richmond County line, three miles south of Pine Bluff around 3:15 p.m.
According to North Carolina State Highway Patrol, the car was traveling southbound when it hydroplaned across the highway and struck the 18-wheeler in the northbound lane.
Authorities identified the family of four as Tesmond Thomas, 28; LaTanya Jones, 26; Levi Thomas, 6; and Judah Thomas, 4 -- all four were from Aberdeen
The driver of the 18-wheeler was taken to the hospital with non-life-threatening injuries.
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