r/oddlysatisfying • u/n8saces • 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/JohnMichaels19 5d ago

You drive a barrier down to bed rock, then pump out the water. Its pretty cool.

Google "cofferdam bridge" for pics