Police were called to the scene at about 9am after the Phuket 191 emergency call centre received reports that a person had fallen from the overpass onto the bypass road below.
Pol Lt Thitiwat Asasingh, Deputy Investigator at Wichit Police Station, arrived at the scene with patrol and traffic police after informing Wichit Police Chief Pol Col Somsak Thongkliang.
Officers found the injured man, identified as Tanuthip Chairent, 41, unconscious but still breathing.
Rescue workers from the Kusoldharm Phuket Foundation and ambulance staff provided emergency assistance before rushing him to Bangkok Siriroj Hospital Phuket, located nearby.
Police said the man remains under close medical care.
Investigators are continuing to examine the circumstances surrounding the fall and said further legal action will proceed in accordance with the findings.
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