Omaha police identified him as 19-year-old Matthew Doty, of Council Bluffs.
Police say Doty was thrown from a pickup that went out of control and rolled as it left Interstate 480 in eastern Omaha about 6 p.m. Friday. Doty was pronounced dead at the scene.
The pickup driver, 30-year-old Evan Shiplett, of Zanesville, Ohio, was taken to a hospital for observation. An 18-year-old passenger, Jacob Levene, of Neola, Iowa, left the scene but was later taken to a hospital.