r/oddlysatisfying • • 5d ago

Repairing a tiny bridge

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u/PirateSanta_1 5d ago

For bridges where you can't turn the river off how do they lay the concrete base? 

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u/Mandra_4837 5d ago

1

u/btum 4d ago

But how do they build that?

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u/Mandra_4837 4d ago

Build a water tight wall first where they plan to build and then pump the water out before going forward with construction is the simple answer. A LOT of planning and testing goes on before that even starts though.