This might be nature's way of saying not to go out today.
Try to push, then try to pull and then try the actual entrance. After seeing that locked door you may bother to actually read our sign with opening hours.
An extra lock is always good to have.
Just stick a "do not enter" sign on an entrance and watch how total chaos takes over.
And this is the reason you don't eat nuts or other seeds in front of the entrance.
Don't ever let women do a man's job. This is the result.
Just place my package under the mat and I'll get it when I come home.
And this way the bridge is completely closed. Nobody is going to get past this.
What a great way to plan ahead your door position.
So anybody exiting will be stopped and forced to leave. That will surely make them think twice before exiting.