所有桥梁的设计尺寸能否一致，用英语怎么说？

could the design measurements of all the bridges be constent?

can(could更礼貌) you keep all the dimensions of the bridges in the design the same(，please)?

of 好像多了点， 但是保证通顺 易懂

whether all the designed measurements of the bridges are able to be the same?
是否所有的桥梁设计尺寸能够一样？