Why were bridges built like that? Do the roof and walls add to the structural
strength?
It's surely not worth sheltering traffic for the short distance of the crossing.
Chris
On 12 Apr 2013, at 18:54, Mike Lazzari <watershed@xxxxxxxxxxxxxxx> wrote:
> Interesting subjects for sure. Not many covered bridges around here but
> there is one on the Mary's River near Corvalis. I may have a photo.
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