Final answer:
The midrail in a guardrail system needs to withstand a minimum load of 250 lbs.
Step-by-step explanation:
The midrail in a guardrail system needs to be able to withstand a minimum downward or outward load of 250 lbs. This ensures that it can provide adequate support and prevent individuals from falling or being thrown off the guardrail. Therefore, the statement that the midrail needs to withstand a minimum load of 250 lbs is true.