During the inspection, they noted a major defect in one of the steel members below the bridge deck.

在检查过程中，他们注意到桥面下方的一根钢构件存在重大缺陷。

Another option is just to make the bridge deck more aerodynamic to avoid creating vortices that push and pull on the structure.

另一种选择是使桥面更加符合空气动力学，以避免产生推拉结构的涡流。