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Repairs Begin at Salesforce Transit Center

Completion anticipated for June 2019
Temporary gates block entry to the Salesforce Transit Center, which has been closed since late September 2018.
Brenda Kahn
Temporary gates block entry to the Salesforce Transit Center, which has been closed since late September 2018. 
Friday, February 8, 2019

Update, February 8, 2019: MTC Executive Director Steve Heminger today sent a letter to Oakland Mayor Libby Schaaf, who also serves on the MTC Commission, and to San Francisco Mayor London Breed with an update on the work of the MTC-assembled expert Peer Review Panel (PRP) that is examining the causes of and proposed repairs for the fractured girders at the Salesforce Transit Center. 

"The PRP concurs with the initial hypothesis on the cause of failure as based on the analysis of material test results: that the fractures were caused by the combination of specific material properties, existence of an initiating crack and stress in the girder," Heminger wrote. 

"TJPA's (Transbay Joint Powers Authority) engineer of record, Thornton Tomasetti, has developed a repair that bolts new plates across the fractured surfaces of the two girders over Fremont Street. In addition, enough similarities exist between the condition of those girders and two girders over First Street that the TJPA plans to retrofit the First Street girders in a similar manner," he continued. 

Per the letter, "The PRP recommended and the TJPA project team has initiated a search through construction documents for other locations at the facility that might have the same combination of factors that contributed to the girder fractures." Read the full letter here.

Below is the original story that was posted February 7, 2019, and adapted from a Transbay Joint Powers Authority press release.

The Transbay Joint Powers Authority (TJPA) announced on February 1, 2019, that repair and reinforcement work is underway to address the fractured steel beams at the Salesforce Transit Center, the new hub located along a three-block stretch in San Francisco's South of Market area. 

MTC’s independent Peer Review Panel approved the repair strategy in December 2018.

The TJPA temporarily closed the Transit Center after cracks were discovered in two steel beams above the third-level Bus Deck in late September 2018, along a segment that crosses over First Street. Two shoring systems were installed, one at Fremont Street and, as a proactive measure, another at First Street, a similarly designed area of the Transit Center. Additional inspections and continued monitoring have revealed no additional issues.

Steel plates to reinforce the cracked beams are currently being fabricated offsite and will be delivered to the Transit Center in March 2019 for installation.

TJPA expects the repairs to be completed by the first week of June 2019 and then the shoring systems at both Fremont and First streets will be removed. A reopening date for the Transit Center has not yet been determined.

MTC’s independent Peer Review Panel is overseeing the TJPA’s review of thousands of building-wide shop drawings, inspection reports and design documents that will determine if any other inspections will be necessary before reopening. After this is ascertained, the TJPA will announce a reopening date.

“Beginning repairs at the transit center marks a major milestone toward reopening the facility,” said TJPA Executive Director Mark Zabaneh. “While we are eager to welcome the Bay Area back to the Transit Center, we are balancing this with our responsibility to undertake an appropriately rigorous inspection and review protocol and cooperate with the independent review of the facility.”

The Salesforce Transit Center originally opened in August 2018 and is currently configured to accommodate several intercity bus systems operating in the Bay Area as well as S.F. Muni lines, and ultimately will also serve as a rail hub.

Until the Transit Center reopens, transit operators will continue to provide bus service out of the Temporary Transbay Terminal at Howard and Main streets. Transit information is available at 511 or

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