Busselton Detectives are investigating a bridge fire on Tuart Drive Wonnerup on Wednesday March 25, 2020.
Police believe the fire started around 5pm from an abandoned vehicle and spread to the wooden structure of the bridge.
Department of Fire and Emergency Services attended and extinguished the blaze.
As a result of the fire, the vehicle was destroyed and the bridge was extensively damaged. Road closures are currently in place.
The investigation into the circumstances surrounding the fire is currently under way with the assistance of the Arson Squad.
Investigators would like anyone with dash-cam footage in the vicinity around the time of the fire or anyone with information about the fire to contact Crime Stoppers www.crimestopperswa.com.au or ring 1800 333 000.
All reports to Crime Stoppers can be made anonymously and rewards are available.
