The Baltimore Bridge Was 30 Times Over Its Risk Limit

On March 26, 2024, the Francis Scott Key Bridge collapse killed six highway workers and closed the Port of Baltimore. The NTSB's final report traced it to a loose signal wire — and to a bridge risk assessment that was recommended in 1991, reiterated in 2009, and never performed. CHAPTERS 0:00 Cold Open 0:51 The Stakes 2:03 The Standard 3:34 The Calculation 5:27 Three Margins 7:20 Four Minutes 9:05 Terminal Block 381 12:42 The Unmeasured Risk SOURCES NTSB, Contact of Containership Dali with Francis Scott Key Bridge, MIR-25-40 (adopted 18 Nov 2025) NTSB, Safeguarding Bridges from Vessel Strikes, MIR-25-10 (18 Mar 2025) NTSB Preliminary Report, DCA24MM031 (May 2024) Office of the Attorney General of Maryland, settlement announcement (12 May 2026) US Department of Justice, press release (24 Oct 2024) 📩 Get the full source list and one-page breakdown for this episode: https://datumzero.beehiiv.com/p/the-bridge... Some links are affiliate links — the channel may earn a commission at no cost to you.