Is it forbidden to perform a reverse manoeuvre on a bridge?

In the photo, you are driving onto a large cable-stayed bridge with tall pylons, and other cars are driving on it. Reversing is prohibited on a bridge. The answer is: yes.

The Road Traffic Act prohibits reversing a vehicle in a tunnel, on a bridge, on a flyover, on a motorway or on an expressway. A bridge has no shoulder and no exits, traffic is fast, and the barriers do not let anyone escape to the side; a vehicle moving backwards surprises drivers, who see it only when they are close. Neither caution nor hazard warning lights lift the ban. If you want to go back, you cross the bridge and make a U-turn at the junction after it, because U-turns on a bridge are also prohibited.

Legal basis: Art. 23 para. 2 and Art. 22 para. 6 point 1 of the Road Traffic Act (Prawo o ruchu drogowym)