Road and bridge construction measuring device

The utility model discloses a measuring device for road and bridge construction, and particularly relates to the technical field of road and bridge construction, which comprises a fixed ring, three support legs are arranged at the bottom of the fixed ring in an annular array through rotating shafts, a fixed seat is arranged above the fixed ring, and a level gauge is connected to the top of the fixed seat; and the adjusting mechanism comprises a cavity groove formed in the fixing ring, a plurality of first guide grooves are formed in the outer side of the fixing ring in an annular array mode, and a plurality of second guide grooves facing the first guide grooves are formed in the inner side of the fixing ring in an annular array mode. The fixing columns, the supporting arms and the adjusting mechanism are arranged between the fixing ring and the fixing seat, and the rotating block on the adjusting mechanism is rotated forwards and backwards, so that the supporting arms can simultaneously drive the fixing seat