I have an issue on my building ''Smithymcsmithface'' on the deed ''Archeon'' - Independence where 2 of the bridges are unpassable when riding a mount or a vehicle going outside, going inside works as expected.
I had GM @Vayucome by and confirmed it:
[01:45:04] <Vayu> But this is the first time I've seen someone use this bridge configuration with floors
[01:45:43] <Vayu> You can mention that I came by and saw it being weird if you like.
Here are some screenshots to further clarify:
From this side the bridges are unpassable
This bridge works in both ways:
And last, another point of view from where you actually can enter when riding a mount / vehicle:
I hope this clarifies it all enough