Sergeant Chanta Herder, 42, is a 14 year veteran of the department and assigned to the 19th District.
Investigators say Herder was arrested at 2:03 a.m. after the crash on the 7900 block of Verree Road.
Authorities say Herder was impaired at the scene and was taken to the Police Detention Unit for a breathalyzer test.
Police say she was then found to be over the limit.
Herder will be assigned to administrative duty pending outcome of the investigation.
