May Road bridge was opened in 1907.
In the 1907 Public Works Report it is reported under 67. New Roads in Victoria:
Extension East and West of Conduit Road: This work, as indicated by its title, comprises two separate sections of road, the eastern extending from the elbow in Magazine Gap Road, across the Peak Tramway and Peak Road ......
The eastern section has a length of 4,315 feet (0.81 mile) and includes five bridges, - one of 12ft. span over the tramway, another of 17' 10" span over the Peak Road and the others of 10 to 19 Feet span over various nullahs and streams. All of these are constructed of reinforced concrete girders and flooring, with abutments of rubble masonry.....
That portion of the eastern section .to the eastward of Peak Road has been named May Road.....