I really like this idea! It's just a few tweaks short of being really good. If you were to continue working on this (and I hope you do!) the first things I'd address is probably the over-active physics on the crane rope and the tendency of cars to pile up in a way that becomes unmanagable. Those are both fairly straightforward fixes though; the core design is solid and can be heavily improved upon. Great work!
Viewing post in Bridge Construction Chaos jam comments
Thanks for the feedback. I was going for uniqueness, rather than playability! I love exploring novel ideas in games. Bridge Construction games are a favourite niche genre for me, but they're all so similar as to be practically the same game. I was trying to think of ways to mix it up - not having separate construction and testing phases was what I settled on.
If I do spend any more time on this, it'll probably become a VR game (Rift, Quest) where you manipulate things directly with your hands. That should take care of the janky crane physics!