The utility model discloses a telescopic bridge side construction platform, including removing the base, the at least symmetry in bottom is provided with 4 gyro wheels that have the braking structure,the frame main part for long square frame structure, sets up at the upper end intermediate position that removes the base, and stretch out to frame bulk phase right both sides at the both ends of removing the base, and the extension elongation all is more than or equal to the half height of frame main part, the frame of encorbelmenting sets up in frame main part upper end, and the one end of theframe of encorbelmenting is the end of encorbelmenting, to stretch out one side of frame main part, and do not incline the samely with stretching out of removal base, load -bearing platform sets up inthe below of encorbelmenting the end, is less than the lower extreme that removes the base, the telescopic connection pole, load -bearing platform pass through the telescopic connection pole with theend of encorbelmenting is connected. The utility model discloses a technique effect with, the utility model provides a telescopic bridge side construction platform can be used for providing operationplatform at the side of bridge, makes things convenient for workman's operation.