San Mateo–Hayward Bridge They provide power to the peninsula and San Francisco. The bridge was closed in the wake of the 1989 Loma Prieta earthquake as a precaution, but reopened on October 18, 1989. It underwent an extensive seismic retrofitting from 1997 through 2000 to protect against earthquake damage. The bridge was considered the worst evening commute in the Bay Area, which ended with the completion of a new eastern trestle carrying westbound bridge traffic in 2002. Eastbound bridge traffic took over the old trestle completely, although eastbound traffic was not expanded to three lanes until February 2003. Funded as part of BATA's
1989 San Francisco 49ers season because the 49ers' fellow Candlestick Park tenant, the San Francisco Giants, played host to Games 3, 4, and 5 of the 1989 National League Championship Series. The November 6 game was moved to San Francisco. This game was played at Stanford Stadium, as Candlestick Park had sustained damage in the Loma Prieta earthquake five days earlier. This game was originally scheduled for Louisiana Superdome, but was played at Candlestick Park instead, because the originally scheduled October 8 game at Candlestick Park was moved to the Louisiana Superdome. The Niners fell to the Green Bay Packers, what would be the final