CHICAGO — A Chicago police officer is recovering after her squad vehicle went off a Kennedy Expressway overpass and onto the expressway.

The accident happened around 4:30 a.m. Tuesday when the female officer was responding to assist another unit.

Police say the officer was turning right onto the Kennedy and missed her turn, going through the guard rail on the Foster bridge, down the grassy embankment and onto the side of the expressway. Police say her vehicle fell about 25 feet.

She was transported to Advocate Lutheran General Hospital in stable condition.

The officer was able to contact dispatch soon after the crash, however she was disoriented and confused.

All lanes on the outbound Kennedy Expressway near Foster were closed for several hours Tuesday morning as police investigated.

This is a developing story. Check back for details.