官员说,超过730座明尼苏达州桥梁可能面临重型卡车超过设计限度的危险。 Over 730 Minnesota bridges may be at risk from heavier trucks exceeding their design limits, officials say.

据国家运输官员称,明尼苏达州730多座桥梁可能由于卡车重量增加而面临风险。 Over 730 bridges in Minnesota may be at risk due to increased truck weights, according to state transportation officials. 关切源于重型车辆超过原设计限值,有可能损害结构完整性。 The concern stems from heavier vehicles exceeding original design limits, potentially compromising structural integrity. 官员正在评估安全桥梁,并考虑进行升级或限制,以防止损坏。 Officials are assessing the bridges for safety and considering upgrades or restrictions to prevent damage. 这一问题突出表明,在交通需求不断变化的情况下,维持老化的基础设施仍面临挑战。 The issue highlights ongoing challenges in maintaining aging infrastructure amid changing traffic demands.