Bridge Collapse Will Be Probed Piece by Piece

To unravel the mystery of Wednesday's Minneapolis bridge collapse, investigators will map out where pieces of the bridge are found, inspect those pieces for patterns of stress fractures and send some pieces to labs for tests. Structural engineer Mark Ketchum describes the forensics involved in a conversation with Melissa Block.

Comments

 

Please keep your community civil. All comments must follow the NPR.org Community rules and terms of use, and will be moderated prior to posting. NPR reserves the right to use the comments we receive, in whole or in part, and to use the commenter's name and location, in any medium. See also the Terms of Use, Privacy Policy and Community FAQ.