Delta Bridge is a new kind of half-through permanent compact panel bridge, with the span length from 35m to 81m; The carriage way is 4.2m in single or 7.35m in double. The bridge deck can be adopted steel plate or concrete, the latter deck is more suitable for the permanent bridge.

The bridge is composed by main girder, deck system and support system. The upper chord and nether chord of the main panel is modularized unit with a section of H shape. Web plate is modularized unit with a section of K shape. The bridge is connected up by the high strong bolts CB450 Bridge has the advantages of long fatigue life, great loading capability and good appearance, suitable to be used as a permanent bridge.