Although your life is monotonous now, you can still rely on it, and there seems to be some pressure in your heart. You may worry that this monotonous and secure job or life will change, and you may face some risks, perhaps.
In fact, dreams are only distorted reflections of real life in sleep, and it is unique for you to dream of a wooden bridge on the river twice in a row. I think it has some symbolic significance. But dream interpretation is not to predict good or bad luck, not to understand your dreams, but to better understand yourself and face life.