This was one of the earliest bridges I featured on this blog, which I recently visited at its home in the Yorkshire Sculpture Park. Designed by the artist Brian Fell, it's nearly little more than a conceptual joke - the Ha-Ha embedded in the two sides of the bridge is simply the term for the ditch below.
I still like the way each "parapet" is the reverse of the other, stencil-style. It's clear that the arch does little to support the bridge - the deck is a steel plate, supported on either edge by the lower part of the fascia plate, which returns below the bridge to form a sort of channel section. Plate diaphragms are welded at regular intervals, stiffening the deck plate and stabilising the arches.
Further information:
- Google maps / Bing maps (aerial image is very old)
- Brian Fell
- Yorkshire Sculpture Park
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