An 11 year old boy fell off of a railroad trestle Wednesday afternoon.
Carrollton police say the boy fell nearly 30 feet off of a railroad trestle just before 3pm.
A witness saw the boy walking along the bridge near Sherwood Lane when he fell onto a concrete culvert below.
The boy was alone at the time.
The witness called 911.
The Carrollton Fire Department EMS transported the boy to Children's Hospital in Dallas where he is being treated for critical injuries.