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Maryland Doubles Key Bridge Rebuild Cost, Pushes Opening to Late 2030

Officials attribute the shift to inflation plus tougher federal resilience rules that require a larger design and stronger pier protection.

Overview

  • The Maryland Transportation Authority now projects a $4.3 billion to $5.2 billion rebuild, up from early estimates of about $1.7 billion to $1.9 billion issued weeks after the March 2024 collapse.
  • Design is roughly 70% complete as demolition and pre-construction proceed, with testing of 220-foot steel beams and a redesign that includes a 1,665-foot main span and taller towers.
  • A federally mandated pier protection system, including fenders larger than a football field, is a major cost driver intended to reduce the risk of a future ship strike.
  • State leaders cite steep national construction inflation and updated engineering standards; the project is eligible for full federal emergency reimbursement as Maryland advances funds and insurance proceeds.
  • The NTSB meets Tuesday to vote on the probable cause and safety recommendations tied to the Dali’s power losses before impact, nearly 20 months after the collapse that killed six workers and disrupted the Port of Baltimore.