Cartersville Fire Department Battalion Chief Ray King said four cars were involved in the crash on the Center Road bridge between exits 290 and 288.
The call went out at 7:04 a.m. and all lanes had reopened just after 8.
King said two air ambulances were called, with one transporting a child to an Atlanta children's hospital.
No other details were available.
See Friday's The Daily Tribune News for more.