A new kind of half-through permanent compact panel bridge, with the span length from 36m to 81m which could be increased or reduced by 2.25m.

Loading Grade：HS25，HA +30HB ，highway-Ⅰ. Carriageway ：4.2m(single lane)，7.35m(double lane) Max. Span Length：Single lane 81m，Double lane 72 m. Erecting Method：mainly by the machine and under the help of manpower. Connection Type：high strength friction grip bolts or high strength bearing bolts. Working temperatures:- 20 ~ 60℃ Wind speeds:45 meters per second average, gusting to 60 meters per second.