How They Made This Record-Breaking Bridge (Portage Lake Bridge, Michigan) — Alexis Dahl

• 3/15/24

How They Made This Record-Breaking Bridge (Portage Lake Bridge, Michigan)

Key Topics:

Brief history of the Portage Canal
How people crossed the Portage Canal throughout the years
How the Lift Bridge was built
How the Lift Bridge works
Interview with a Lift Bridge engineer
How the Lift Bridge is maintained

If This Breaks, the U.S. Could Lose $1 Trillion (The Soo Locks)