It is unclear why the truck was stalled. The collision caused multiple train cars to be derailed.
MoDOT says Route A between Route AA and Highway 63 will be closed overnight and into Tuesday.
Yearwood is coming from Manor, Texas, just northeast of Austin, where he is chief operations officer for the Manor Independent School District. He has worked in education for about 30 years, as a professor, coach, principal and assistant superintendent, according to a district news release.
Yearwood will start officially July 1. But he plans to get to know the district before that, according to the release.
Yearwood plans on working with board members and staff to schedule school visits. He also plans to schedule meetings with parents, staff and community members.Â