By: Channel 8 Eyewitness Newsroom

The Lancaster County Sheriff's Office say a semi truck driver was knocked unconscious after a man jumped off a bridge into his truck. 

Late Friday night, Deputies got a call that a semi truck had run off the road. 

When they arrived, they learned that a 32 year-old Lincoln man jumped off the bridge near 84th and I-80. 

The man was hit by the semi and died from his injuries. 

The driver regained consciousness.

Investigators have ruled the death a suicide.