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In view of safety performance problem of the support structures in the highway bridge’s construction process, a safety monitoring system based on LabVIEW is proposed. The system collects the strain and angle information, by which, is used to monitor the loading and stability of the support structure. The development of software uses a variety of techniques. The software achieves serial communication, GPRS network communication, database access, Web publishing features by LabVIEW. The software system shows the data information, which is collected by the wireless sensor networks, to the operators in real time, and also has data alarm, data query, and other functions. As the test results show, this system builds a ZigBee network of ten transducers, gets the change of parameters when the support structure has a change in the force accurately, and realizes the function of GPRS remote monitoring. Therefore, this system is able to monitor the strain and angle of the support structure stably and accurately. At the same time, the system has good prospects of the subsequent development.