|filler=*4 [[Stone shards]]
|roadway=*2 [[Stone bricks]]
|wall=*10 * (0, 1 or 2) [[Stone bricks]]
|keystone=*1 [[Stone keystone]]
|result=*Bridge Crown
* The crown section is an important and required component to some bridges, but not all.
* A crown section can be made for any type of bridge: marble, pottery, rendered, rounded stone, sandstone, slate, or stone brick.
* A crown section will include 0, 1 or 2 walls - depending of the total width of the bridge.