"There were five passengers on the bus, and Miranda suffered a broken ankle," the rep told Access. "At this time, we are told everyone will be fine."
The accident occurred on Interstate 70, just outside of Vandalia, Illinois - which is about 70 miles east of St. Louis, Missouri.
According to a local news report, Cosgrove's tour bus struck a tractor-trailer that was already overturned on the highway.
As a result of the accident, Cosgrove - who rocketed to fame as the star of Nickelodeon's "iCarly" - is putting the rest of her "Dancing Crazy Summer Tour" on hold.
"Her tour is postponed until further notice," the rep added. "Miranda thanks everyone for their understanding and support."
The 18-year-old singer performed in Kettering, Ohio on Wednesday and was en route to Wichita, Kansas for a scheduled show on Friday.
The tour was originally scheduled to wrap up October 23 in Phoenix, Ariz.[omg.yahoo.com]
