Bridge collapse renews concerns about unpainted steel

The video investigates the collapse of the Fern Hollow Bridge in Pittsburgh, highlighting the role of uncoated weathering steel and lack of maintenance. It discusses historical issues with this material, findings from the National Transportation Safety Board, and the current state of similar bridges across the U.S. Experts emphasize the need for proper maintenance and inspections to ensure safety. The video concludes with a call for increased awareness and resources to address these challenges.

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