Caltrans Probing Harmful Micro-Organisms on Bay Bridge Welds NBC » Caltrans is investigating whether microscopic organisms are attacking critical welds on the submerged foundation of the new Bay Bridge tower, potentially endangering the projected 150-year lifespan of the troubled $6.4 billion structure. While Caltrans engineers say there’s no immediate concern about the bridge failing, a recent underwater survey spotted pits — pockets of accelerated corrosion — on welds that bind massive piles that hold up the foundation. By Michelle|2018-01-26T16:28:45-08:00January 25, 2018|Bridges, California, Highways|Comments Off on Caltrans Probing Harmful Micro-Organisms on Bay Bridge Welds Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTelegramTumblrPinterestVkXingEmail About the Author: Michelle Related Posts ‘A fiasco from the beginning’ — Caltrans’ costs soar on $1.1 billion San Francisco tunnels ‘A fiasco from the beginning’ — Caltrans’ costs soar on $1.1 billion San Francisco tunnels Thousands of Bridges In ‘Urgent Need of Repairs’ Gallery Thousands of Bridges In ‘Urgent Need of Repairs’ Getting There: Congestion pricing isn’t coming to Spokane, but these roads aren’t free and never were Gallery Getting There: Congestion pricing isn’t coming to Spokane, but these roads aren’t free and never were VIDEO: Railing falls from bridge in Tennessee, 1 car heavily damaged VIDEO: Railing falls from bridge in Tennessee, 1 car heavily damaged