RadarOnline.com has confirmed that Casey Aldridge, the father of Jamie Lynn-Spears‘ 8-month-old daughter, is in a Jackson, Mississippi hospital after a bad car wreck last night. Jamie Lynn is at his side, a source tells us.

Aldridge was driving home at 1:30 a.m. Sunday when he wrecked his Ford F-250 with two male pals in the car, one of whom broke his collar bone. The source adds that Casey has a hematoma and doctors fear he has a blood clot in his brain. He may be heading into surgery, a source tells RadarOnline.com.

Aldridge, 19, is a Mississippi native and longtime boyfriend of Britney Spears’ younger sister. Story Developing…

(Photo: Splash)