What is the service life of highway guardrail

Due to the fact that some highway guardrail are used outdoors, it is inevitable that they will be exposed to wind and rain, so corrosion or damage is relatively normal, and their service life may be shorter than indoor guardrails.

The service life of highway guardrail is determined by different materials, generally including galvanization, aluminum plating, post galvanization spray coating, and dip coating, with a service life ranging from five to ten years. No matter what material the highway guardrail is made of, it has a service life. To extend its service life, it is necessary to put in a lot of effort in maintenance. Regular inspections of the condition of the road guardrail, timely repair of damaged highway guardrail, and regular painting and maintenance are necessary.

Generally speaking, high-quality highway guardrail can be used for at least 15 years. When choosing highway guardrail, attention should be paid to the manufacturer and quality.