Bridge Surface Hitbox Higher Than Its Visual

[stop-x13]

Describe the bug
The hitbox of bridge surface is 1/16 block higher than what it looks like.

To Reproduce
Steps to reproduce the behavior:

1. Place bridge.
2. Observe its hitbox.
3. See its hitbox higher than the bridge surface.

Expected behavior
Hitbox should align with its visual.

Screenshots

Additional context
I'm trying to use the bridge to make it look like a shelf, and place Create Mod cardboard box on it, but I then see the cardboard box appeared floating.

[sketchmacaw]

There is this weird thing with Minecraft, If a block is thinner than 4/16 it makes no stepping sound. That's the reason why we increased the hitboxes on all of them.