Pere Marquette Railroad Bridge, Port Huron, Animations of the bridge in action

Ever wonder how the railroad bridge at the mouth of the black river operates?
Here are several animations that show how it works.
This is an ABT bascule bridge, with twin 100hp electric motors, reaching over 170 feet into the air.

Видео Pere Marquette Railroad Bridge, Port Huron, Animations of the bridge in action канала jacuzzibusguy