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Tag: bolts

Caltrans Engineers Testing Bay Bridge Bolts For Long-Term Rusting

August 2, 2013 | 4:30 pm

Caltrans Engineers Testing Bay Bridge Bolts For Long-Term Rusting

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By Francesca Segre At the foot of the Bay Bridge in Oakland, a research laboratory is in full swing. Engineers are testing the strength of bolts that are similar to those that snapped on the new span of the Bay Bridge earlier this year. Caltrans Engineer Bill Casey says the engineers are submerging the bolts […]

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Bay Bridge Opening to be Announced July 10

May 30, 2013 | 10:14 am

Bay Bridge Opening to be Announced July 10

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Planning a party for the Bay Bridge’s new span opening on Labor Day? You may want to hold off on buying chips and salsa. State transportation officials say it will be early July before they know whether the new eastern span on the Bay Bridge will open that weekend as planned. Caltrans Director Malcolm Dougherty […]

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May 29, 2013 | 11:28 am

Bay Bridge Bike Path Bolts Break

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OAKLAND, Calif. (AP) — The new eastern span of the San Francisco-Oakland Bay Bridge has another bolt problem — this one involving the bicycle path, a newspaper reported Wednesday. Numerous bolts used to anchor the railing along the path have failed, forcing the California Department of Transportation to make plans to replace hundreds of the […]

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Federal, State Officials Investigate Caltrans’ Handling of San Francisco Bay Bridge

May 14, 2013 | 9:39 am

Federal, State Officials Investigate Caltrans’ Handling of San Francisco Bay Bridge

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California Transportation Department officials are facing inquiries from both state and federal officials about the new Bay Bridge span, The Associated Press reports. Caltrans managers will answer questions from the state Legislature at a hearing Tuesday in Sacramento. And the Federal Highway Administration announced on Monday it will investigate the way the state has handled […]

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State Senator: Caltrans Took Unnecessary Risks With Bay Bridge

May 8, 2013 | 10:30 am

State Senator: Caltrans Took Unnecessary Risks With Bay Bridge

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Update: KQED’s Dan Brekke reports from the meeting today in which Caltrans described its intended solution for the problem of fracturing steel bolts that have plagued the building of the new eastern span of the Bay Bridge. “Caltrans engineers said they’ve developed a solution that involves a ‘saddle’ — sort of a rubber band made […]

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New Bay Bridge Span May Contain More Vulnerable Steel Parts

April 29, 2013 | 8:39 am

New Bay Bridge Span May Contain More Vulnerable Steel Parts

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By The Associated Press SAN FRANCISCO — The new eastern span of the San Francisco-Oakland Bay Bridge has more than 1,200 bolts made from galvanized steel that is virtually identical to a high-strength alloy that a nationwide group of transportation officials banned for use on bridges because the bolts can crack, the San Francisco Chronicle […]

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Even Bolts That Haven’t Failed Will Be Replaced on Bay Bridge; Expert Slams Caltrans

April 24, 2013 | 3:42 pm

Even Bolts That Haven’t Failed Will Be Replaced on Bay Bridge; Expert Slams Caltrans

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The Metropolitan Transportation Commission (MTC) and Caltrans say they will replace or reinforce all 96 of the 2008 anchor bolts installed in the new eastern span of the Bay Bridge, not just the 30 that have failed so far. Those bolts snapped within days of being tightened this March.   MTC Executive Director Steve Heminger […]

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Rainwater Might Have Damaged Flawed Bay Bridge Bolts

April 10, 2013 | 12:12 pm

Rainwater Might Have Damaged Flawed Bay Bridge Bolts

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The bolts snap, the plot thickens. California Transportation Department officials at a meeting of the Metropolitan Transportation Commission on Wednesday said that faulty bolts being used in the construction of a new span of the Bay Bridge might have been damaged by rainwater, reports KQED’s Rachel Dornhelm. They also said they can’t promise the bridge […]

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(Document) More Bay Bridge Parts to be Examined

April 3, 2013 | 2:30 pm

(Document) More Bay Bridge Parts to be Examined

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How much of the new Bay Bridge span is faulty? Eager to get an answer to that question, investigators will scrutinize every single part supplied by Dyson Corp, Bay Bridge spokesman Andrew Gordon told KQED’s Tara Siler. The Ohio company made threaded rods (also called bolts) that snapped when tightened last month, and also supplied […]

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