Latest Structures Page 144
Rocky River Bridge, Rocky River Ohio
At the time of its construction, the Rocky River Bridge, with a clear span of 280 feet, was the longest concrete arch in the world. Because of the ongoing development of the concrete arch, the record length of the Rocky River span was short lived, but it retains its place as the longest unreinforced concrete arch in America, exceeding the Walnut Lane Bridge at Philadelphia by 47 feet. Overall the bridge was 708 feet long and 60 feet 4 inches wide. Prior to 1810 and the introduction of ferry service across Ohio's Rocky River, persons traveling west from Cleveland along the Detroit road had to detour many miles inland from Lake Erie in order to avoid the steep slopes of
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