The ASTRA bridge In Switzerland is a mobile fly over style bridge that is installed over roadworks

Cars can pass over the bridge while construction is carried out underneath.

https://t.co/10OFBB90H4 https://video.twimg.com/amplify_video/1789603933532332032/vid/avc1/1272x720/eczSgJUibR8CeRA7.mp4?tag=14