High-strength bridge guardrail

The utility model discloses a high-strength bridge guardrail. The guardrail comprises a guardrail body, a fastening block is installed on one side of the guardrail body, a buffer structure is installed in a fixing assembly, a buffer column is installed in the buffer structure, a buffer spring is installed on one side of the buffer column, a locking nut is installed on one side of the fixing assembly, a connecting hole is formed in the surface of the locking nut, and a bolt hole is formed in one side of the locking nut. The buffer structure is composed of the buffer column and the buffer spring. Through the buffer columns and the buffer springs, the handrail main body can achieve a buffer effect; when the handrail main body is stressed, the handrail main body is stressed; force can be diffused, the position of the buffer structure is stabilized through the connecting block and the second fixing block, the fixing assembly enables the position to be more stable and firmer through the first fixing block and the s