A tractor-trailer unit jackknifed late Thursday afternoon three miles west of Willow Springs and injured a 10-year-old passenger, the Missouri State Highway Patrol said.
Tpr. C.L. Davis said the Texas County crash occurred when a 2001 Freightliner driven by Petr V. Bosovik, 59, lost control, ran off the roadway and jackknived.
The passenger, Anna P. Bosovik, was to seek her own treatment, Davis said. She had not been wearing a seat belt. The driver was wearing his.