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Pittsburgh bridge collapse sparks calls to examine more than 10K similar bridges - Joggingvideo.com
17.8 C
New York
Thursday, June 13, 2024

Pittsburgh bridge collapse sparks calls to examine more than 10K similar bridges

Investigators looking into the collapse of a Pittsburgh bridge want transportation officials nationwide to examine more than 10,000 other bridges with similar construction to ensure they don’t have the same kind of corrosion that was found on the bridge that collapsed.

The National Transportation Safety Board said in a report Thursday that drainage problems on the weathered steel bridge that failed allowed the metal legs to deteriorate over time. It determined Pennsylvania neglected for years to perform the maintenance needed to clear the debris, dirt and leaves that were causing the problem, even though inspectors noted the issue.

Rust that caused the deterioration of the Pittsburgh bridge’s steel legs and allowed holes to form in the structure was noted on every inspection done since 2005, including one completed just four months before the Fern Hollow Bridge collapsed on Jan. 28, 2022. Work was done in 2009 to clear the debris clogging the bridge’s drainage system, but that wasn’t repeated in the years since even after inspectors said in every report between 2011 and 2021 that the drains had become clogged again.

BIDEN ADMINISTRATION INVESTS $300 MILLION TO REPAIR BRIDGES ACROSS THE COUNTRY

The Pittsburgh bridge span that fell last year dropped a bus and four cars some 100 feet into a ravine, injuring several people hours before President Joe Biden visited the city to promote a massive infrastructure law. The span carried Forbes Avenue over Frick Park, Fern Hollow Creek and Tranquil Trail.

It’s not clear how widespread these issues are nationwide. But the NTSB wanted to urgently call them to bridge owners’ attention even though it hasn’t completed its investigation of the Pittsburgh bridge collapse.

The NTSB said in its report that it’s critical for bridge owners, usually cities and states, to clear “accumulation of water and debris on bridges with weathering steel components.”

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