South Bruce OPP say investigators have now been assigned to look into the trestle bridge fire along the Bruce County Rail Trail near Paisley.
Investigators are interested in viewing any video surveillance leading to the Willow Creek Bridge between 12 p.m. on June 4, and 12 p.m. on June 6.
This follows an incident on June 5 around 5:20 p.m., where OPP received a report of a fire along the trail.
Members of the Paisley, Saugeen Shores and Walkerton Fire Departments attended the scene to find the Willow Creek Trestle Bridge fully engulfed in flames.
A Paisley Fire Department official says the blaze is considered suspicious.
Police are requesting anyone with information on the incident to call the OPP at 1-888-310-1122 or Crime Stoppers at 1-800-222-8477.
