I threw together this bridge after seeing some others on YouTube. I started with actuators in place of winches and cables and then moved to an actuator that would be a hydraulic cylinder or rack-and-pinion if built in real life. I’ll try to update this post with the actual video. But for now, here’s a link and a picture:

Apparently, WordPress now embeds video if you paste a link. So there is actual video above. That’s cool!