An apparatus for carrying a bridge on a vehicle and deploying the bridge to the ground, the apparatus comprising:- mounting means for mounting the apparatus to a vehicle; ground engaging means pivotable relative to said mounting means between a first position in which the ground engaging means engages the ground for supporting a bridge and a second position in which the ground engaging means is separated from the ground to permit movement of the vehicle; first actuator means (34, 36) for pivoting the ground engaging means between said first and second positions; bridge engaging means pivotable relative to said ground engaging means between a third position in which the bridge is on the ground and a fourth position in which the centre of gravity of the bridge is raised relative to the third position; and second actuator means (28, 30) for pivoting the bridge engaging means between said third and fourth positions; wherein said first actuator means is connected between the ground engaging means and the vehicle in use and said second actuator means is connected between the bridge engaging means and the ground engaging means, characterized in that said first actuator means comprises at least two first actuators arranged such that the sum of the turning moments produced by said first actuators is never zero when said first actuator means pivots the ground engaging means between said first and second positions, and said second actuator means comprises at least two second actuators arranged such that the sum of the turning moments produced by said second actuators is never zero when said second actuator means pivots the bridge engaging means between said third and fourth positions. mounting means for mounting the apparatus to a vehicle; ground engaging means pivotable relative to said mounting means between a first position in which the ground engaging means engages the ground for supporting a bridge and a second position in which the ground engaging means is separated from the ground to permit movement of the vehicle; first actuator means (34, 36) for pivoting the ground engaging means between said first and second positions; bridge engaging means pivotable relative to said ground engaging means between a third position in which the bridge is on the ground and a fourth position in which the centre of gravity of the bridge is raised relative to the third position; and second actuator means (28, 30) for pivoting the bridge engaging means between said third and fourth positions; wherein said first actuator means is connected between the ground engaging means and the vehicle in use and said second actuator means is connected between the bridge engaging means and the ground engaging means, characterized in that said first actuator means comprises at least two first actuators arranged such that the sum of the turning moments produced by said first actuators is never zero when said first actuator means pivots the ground engaging means between said first and second positions, and said second actuator means comprises at least two second actuators arranged such that the sum of the turning moments produced by said second actuators is never zero when said second actuator means pivots the bridge engaging means between said third and fourth positions.