The Lehigh County coroner's office said a woman's body was found under the Eighth Street Bridge in Allentown.
The woman was identified as Donna Knauss, 53, of the 1000 block of West Court Street in Allentown.
Her body was discovered in a wooded area on the north side of the bridge, in the 200 block of South 8th Street. She was pronounced dead around 2 a.m. Friday.
An autopsy is scheduled for Friday to determine the exact cause of death.
The coroner's office and the Allentown Police Department are investigating.