A 51 year-old woman was found dead on McDonald Way, Churchill on Friday.
Passers by discovered the body about 11am which appeared to have fallen from the overhead Monash Way bridge.
Morwell police Sergeant Ian Ricardo said the incident had not been ruled as a suicide and was under investigation.
“We haven’t got any witnesses so we’re still investigating and preparing a report for the coroner,” Sgt Ricardo said.
Police are appealing for witnesses to the incident.
Anyone with information is asked to phone Morwell Police Station on 5131 5000, Churchill Police Station on 5122 1790 or Crime Stoppers on 1800 333 000.