The project is located at K406+770 area in Hai county, Qinghai prov-ince, with an elevation of 4518.7meters in the Tibetan Plateau, the total length of the bridge is 507.4 meters.Stone Edge`s SHM system has complete functions,clear process, and distinct pertinence to collect reliable detection data of the bridge according to the require-ment and balances the economics of construction investment.