A bridge formed by two projecting beams or trusses that are joined in the center by a connecting member and are supported on piers and anchored by counterbalancing members.

• 悬臂桥：由两段伸出的横梁或桁架形成的一种桥，横梁或桁架的中间由一个接合部件连在一起，下面由桥墩支撑，由互相平衡的部件将其固定