O Túnel (2016)

Similiarity trapped in a collapsing Structure. The main character is trapped in a collapsed tunnel, echoing the idea of being stuck on an unstable bridge. The film delves into the psychological and physical challenges of surviving in such dire circumstances.

Both are rather slow
Both are about people stuck in environment where they need to survive with limited resources
They are waiting for government to save them

Both are Korean movies about disaster. People were in wrong place and wrong time. How people attempt to survive. The bromance, the rescue crews important roles