The invention provides a portable acquisition station bracket for the short-term monitoring of a bridge. The portable acquisition station bracket is used for mounting a data acquisition station on thebridge to be monitored. The bracket is characterized by comprising a data acquisition station mounting mechanism and suspension mechanisms, wherein the data acquisition station positioning mechanismis provided with first supporting rods used for mounting the data acquisition station, each suspension mechanism is U-shaped and is hung on the flange of the beam bridge, and each suspension mechanismis provided with a second supporting rod of which one end is mounted on the first supporting rod, a third supporting rod of which one end is mounted on the other end of the second supporting rod, anda fourth supporting rod of which one end is moveably mounted on the other end of the third supporting rod, wherein the second supporting rod is arranged at on one side of the flange, the third supporting rod is arranged at the upper end of the flange, and the fourth supporting rod is arranged on the other side of the flange; and a distance between the second supporting rod and the fourth supporting rod can be matched with the width of the flange.