This is how to make a bridge.

Bridge 1Edit

123 cobblestone

66 stone stairs

Put 3 parellel cobblestone 20 blocks apart.

Pile it up to 4 layers high

Put upside down stone stairs where they face each other

Put a cobblestone block on top of the stair.

Repeat 5 times

Fill the blanks

Put stairs on the sides.

Place stairs one block on the sides under the bridge.

Fill the blanks under the bridge.

Build like a pyramid but take out adjacent nonsidetouching blocks.

Build to the ground.