Ever looked at a building or structure and wondered what went into constructing it? Like this magnificent and iconic bridge!

sanfran bridge
Source: BorntoBuild.co.uk

The question is often asked “How was this bridge built across a river with solid rock on one side and marsh land on the other?”

The answer can be found on BorntoBuild.co.uk

A cantilever bridge was built with the tower built on the solid rock.

 

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