"E27002" wrote in message
...
On Jun 26, 8:15 am, Basil Jet wrote:
Why are American cities full of open girdered viaducts whereas British
cities are full of brick viaducts?

Availability of materials.

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Might it also be something to do with the very nature of the viaducts? If
you think about the "elevateds" in the US many of them were built over roads
and I'm not sure how practical it would have been to use brick for that.