I have been reading a novel which is set in Seattle, and several times there are comments about driving over floating bridges over Lake Washington. I have looked them up and they look really nice bits of construction. I guess they are really permanent Bailey Bridges.
Pont du Gard, a two thousand year old roman aquaduct. I walked over it 50 years ago when I was 10. 4ft wide water channel so not quite wide enough for a narrowboat. Flippin high, I walked through the channel which was a toll bridge for centuries after it's 600 years as an aqiaduct.
I would really like to see and drive over the Millau Bridge in the south of France.
The Millau is a viaduct isn't it?
I'm not sure when a bridge becomes a viaduct there must be a length or number of support structures I suppose.
I looked in Google.... The difference lies in their primary use, position and construction. A viaduct usually refers to long bridges or series of bridges connected to one another by arch bridge structures that carries a road or a railway across a valley or a gorge. ... Bridges, on the other hand, are usually built over bodies of water.
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