Completed in 1905 this noteworthy structure on the Trent Severn waterway is the earliest known reinforced concrete bridge in Canada. It was built using the Melan system of reinforcement with curved steel girders to reduce the amount of concrete required, resulting in a comparatively slender arch.
A precursor of large span reinforced concrete bridges, the Arch Bridge is an important milestone in the history of civil engineering in Canada.
The cache is not in the trees so poison ivyshould not be a factor. Nevertheless be observant. Please BYOP and carefully replace cache to ensure it remains hidden from muggles.