在受到工程师，政客和公众的严格审查下，公路安全局局长布鲁斯·A·马格拉德里（Bruce A.和145人受伤。早些时候，NTSB团队很清楚，NTSB说的距离不足，这是事故的关键因素。磁马德里（Magladry）敦促董事会在调查完成之前采取不寻常的步骤，以发出安全建议，董事会同意。
2008年1月15日，NTSB呼吁联邦高速公路管理局要求各州计划更改对非负载的备用钢桁架桥梁进行负载计算，以验证野蛮人和其他结构元素的压力水平是否符合要求。这只是过去10年中第二个临时建议，该建议是由NTSB高速公路安全办公室调查引起的。
With the early notice, NTSB’s final report, approved on Nov. 14, wasn’t a surprise. It said the collapse’s probable cause was gusset failure due to design error and increased bridge weight from earlier upgrades, plus materials, equipment and traffic when it fell. NTSB also issued nine safety recommendations. FHWA and states have started to act on some of them.
现年60岁的Magladry说，推迟建议是“不负责任的”和“不合情理的”。他引用了两个原因：“一个，我不想让另一座桥倒塌，而我仍在看这座桥。二，我不希望国家点（有限的资源）浪费这些资源。”
Head of NTSB Office of Highway Safety oversaw 15-month investigation and successfully sought interim safety recommendation on gussets.
Ed Lutgen, Minnesota DOT engineering principal, says, “I thought it was an excellent decision. What it did was refocus the energy on the inspections that were ongoing around the nation on the appropriate things.”
Before joining NTSB in 1988, Magladry spent 13 years with the Baltimore County Police Dept., 10 as a detective. He led the unit that investigated criminal aspects of a 1987 railroad crash in Chase, Md., which killed 16 people. His work led to a job offer from NTSB, which also was probing the accident.
Magladry说：“我真正喜欢的工作之一就是这是一个whodunit。”“这些对我来说是真正的后果。”
