Accidents

Report: Loose Wire Caused Deadly Baltimore Bridge Collapse

Published NOV 19 2025

Story

Above: The container ship Dali is seen in the wreckage of Francis Scott Key Bridge a week after it hit a structural pier in Baltimore, Md. on April 2, 2024. Image credit: Jerry Jackson/The Baltimore Sun/Tribune News Service/Getty Images

The Facts

The National Transportation Safety Board (NTSB) determined that a loose signal wire caused the Francis Scott Key Bridge collapse in Baltimore, Md. on March 26, 2024, when the container ship Dali lost electrical power and struck the bridge, killing six construction workers.
NTSB
Investigators found that improper installation of wire-label banding prevented the wire from being fully inserted into a terminal block, creating an inadequate connection among thousands of electrical connections on the 984-foot vessel.
NTSB
The ship experienced blackouts, with two occurring while docked the day before departure and two more happening minutes before the bridge collision, caused by issues with a flushing pump used improperly as a fuel service pump.
FOX News
ABC News
Highway workers on the bridge were not warned of the emergency situation and may have had sufficient time to evacuate to a section that did not collapse if they had received warnings like the police did, according to investigators.
Axios
FOX News
Channelnewsasia
More than a dozen bridges across the country, including both spans of the Chesapeake Bay Bridge, exceed acceptable risk thresholds for ship strikes because they were built before modern vulnerability assessment standards.
The Washington Examiner
The Baltimore Banner
Maryland officials updated the Francis Scott Key Bridge reconstruction cost estimate to between $4.3 billion and $5.2 billion, with completion expected in late 2030 — significantly higher than the original $1.9 billion estimate.
NTD News
ABC News
BBC News

Sources Split

LEFT

CENTER

RIGHT

ESTAB
CRIT

CENTER

PRO
ESTAB

The Spin

Narrative A

This disaster exposes America's crumbling infrastructure crisis that threatens the entire economy. Nearly one in 10 bridges is already compromised, while Americans take 178 million trips daily on deficient bridges. The U.S. spends half what Europe does on infrastructure, creating catastrophes.

Aei

Forbes

Business Insider on Youtube

Narrative B

The Key Bridge's rebirth will mark more than reconstruction — it signals transformation. From tragedy will emerge innovation. Where once modest defenses stood, tomorrow's bridges will be more resilient with robust safeguards. This rebuild will turn Baltimore's sorrow into America's architectural reawakening.