Content introduction Structure overview 4.1 All support plinths are rigid fixed plinths. 4.2 The cross highway corridor is a cage space truss system. 4.3 See the electric power professional drawings for the connection mode of cable and support, cable and line gallery 4.4 The node bar in the line gallery drawing is the line bracket support position, and it is prohibited to set line brackets in other parts of the line gallery. There are 10 drawings for the 30m span steel structure cable truss bridge, including structure description, truss details and foundation design.