N Scale Tank Car loading Bridge 4x Up

4 access bridges with safety cages for accessing the tops of tank cars from a platform. These bridges are positioned in the up-position, to allow trains to pass underneath.
These are designed for the platforms found in my Loading/Unloading section. They can be mounted on other structures as well.

These bridges are available in these sets:

• 2x medium
• 4x medium
• 10x medium
• 2x up
• 4x up
• 2x down
• 4x down