Civilizational infrastructure often operates far beyond its designed lifespan, creating both remarkable durability and potential environmental risks, as exemplified by Enbridge's Line 5 pipeline, which has carried fuel beneath the Straits of Mackinac since 1953—over 70 years past its 50-year design life—demonstrating how built structures can outlast original expectations while presenting ongoing environmental concerns.
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A 70-Year-Old PipelineAdded:
At the bottom of the straits between Lake Michigan and Lake Huron, there is a pipeline. Laid in 1953, designed to last 50 years, and now over 70 years old.
Every day it carries fuel beneath two of the largest freshwater lakes on Earth.
Unremarked upon, largely invisible, quietly doing something extraordinary.
Most of the infrastructure civilization runs on is like this. Old, unnoticed, and working against the odds. We have built things that outlasted what we imagined. That is both a risk and a marvel.
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