However , the presence of the submerged bridge structure limits the draft of vessels in the waterway .
Additionally , the lack of an above - deck structure is considered aesthetically pleasing , a similarity shared with the Chicago - style bascule bridge and the table bridge .
The presence of the submerged bridge structure limits the draft of vessels in the waterway .
Additionally , the lack of an above - deck structure is considered aesthetically pleasing , a similarity shared with the Chicago - style bascule bridge and the table bridge .