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NTSB ID:HWY13MH012

Event Type:Highway Accident

Location:Mount Vernon, WA

Date:May 23, 2013


NTSB IS INVESTIGATING A BRIDGE COLLAPSE IN WASHINGTON STATE

The National Transportation Safety Board is investigating the I-5 bridge collapse over the Skagit River in Mount Vernon, WA. The collapse occurred at 7:00 pm local time on May 24, 2013.

Highway Safety Investigator Robert Accetta is the investigator-in-charge, leading a multi-disciplinary team of NTSB personnel. NTSB Chairman Deborah A.P. Hersman accompanied the team and served as the principal spokesperson during the on-scene phase of the investigation.

Public Affairs Specialists Kelly Nantel and Peter Knudson were on-scene in Mount Vernon to coordinate media related activities.  For the latest information related to the investigation and any press briefings, follow us on twitter (@ntsb) or via our website at www.ntsb.gov. open these up when the information becomes available

Reports

NTSB Investigator Gary Van Etten and Chairman Hersman review damage to the oversized vehicle involved in the bridge collapse in Mount Vernon, WA.
NTSB Investigator Gary Van Etten and Chairman Hersman review damage to the oversized vehicle involved in the bridge collapse in Mount Vernon, WA.
NTSB Investigator Gary Van Etten and Chairman Hersman review damage on the scene of the bridge collapse in Mount Vernon, WA.
NTSB Investigator Gary Van Etten and Chairman Hersman review damage on the scene of the bridge collapse in Mount Vernon, WA.
NTSB Investigator Gary Van Etten reviews documentation on scene with Washington DOT officials.
NTSB Investigator Gary Van Etten reviews documentation on scene with Washington DOT officials.
NTSB Investigator Robert Squire supervises the download of critical data from the truck involved in the bridge collapse in Mount Vernon, WA.
NTSB Investigator Robert Squire supervises the download of critical data from the truck involved in the bridge collapse in Mount Vernon, WA.

NTSB Investigator Robert Squire documents damage of the tractor trailer and load.
View of accident scene looking north.
View of accident scene looking north.
NTSB Investigator Joe Epperson and Chairman Hersman conduct a water level inspection of the accident scene.
NTSB Investigator Joe Epperson and Chairman Hersman conduct a water level inspection of the accident scene.
Water level view of the accident scene.
Water level view of the accident scene.
NTSB Investigator Joe Epperson points out damage to the truss of the fallen bridge span.
NTSB Investigator Joe Epperson points out damage to the truss of the fallen bridge span.
NTSB Investigators acquiring a 3D laser scan of the accident site.
NTSB Investigators acquiring a 3D laser scan of the accident site.
NTSB Investigators acquiring a 3D laser scan of the accident site.
NTSB Investigators acquiring a 3D laser scan of the accident site.
Photo showing damage to the load carried by the tractor trailer involved in the I-5 bridge collapse.
Photo showing damage to the load carried by the tractor trailer involved in the I-5 bridge collapse.
Photo showing a close up view of the damage to the load carried by the tractor trailer involved in the I-5 bridge collapse.
Photo showing a close up view of the damage to the load carried by the tractor trailer involved in the I-5 bridge collapse.
NTSB investigator Kenneth Bragg records the northbound approach to the I-5 bridge over the Skagit river to demonstrate what the southbound approach may have looked like to the accident truck driver.
NTSB investigator Kenneth Bragg records the northbound approach to the I-5 bridge over the Skagit river to demonstrate what the southbound approach may have looked like to the accident truck driver.
NTSB investigator Joe Epperson inspects members of the fallen span in Mount Vernon, WA.
NTSB investigator Joe Epperson inspects members of the fallen span in Mount Vernon, WA.
NTSB investigators Dennis Collins and Kenneth Bragg examine an exemplar load to the one involved in the Mount Vernon, WA bridge collapse.
NTSB investigators Dennis Collins and Kenneth Bragg examine an exemplar load to the one involved in the Mount Vernon, WA bridge collapse.

 

Video

 

Press Releases

Media Contact: Kelly Nantel and Peter Knudson 202-314-6100 (NTSB HQ)