A canal needs a specific level of water for boats to use it. The Ohio & Erie Canal was maintained at a depth of four feet. Here the canal must cross the Cuyahoga River’s largest tributary, Tinkers Creek. Using technology first developed by the Romans, canal engineers made an aqueduct to carry the built waterway over the natural stream. Originally it was a bit farther north. However, shortly after the canal was constructed, Tinkers Creek flooded the aqueduct, proving how unpredictable it can...
