Bay Bridge lights shimmer nightly in San Francisco

San Francisco’s skyline is glowing once again as The Bay Lights returns to the western span of the San Francisco–Oakland Bay Bridge after nearly three years in darkness.

Originally launched in 2013 by light artist Leo Villareal, the installation quickly became one of the city’s most recognizable public artworks. The original version featured 25,000 LED lights stretched across 1.8 miles of suspension cables, creating constantly shifting patterns that never repeated. What began as a temporary project became a permanent fixture after widespread public support and fundraising efforts helped keep it alive.  

In 2023, the lights were shut off after years of exposure to harsh weather conditions—including wind, moisture, and salt air—caused major technical failures. Rather than attempt piecemeal repairs, organizers chose to completely redesign the system for long-term durability.  

The rebuilt installation, known as Bay Lights 360, now features roughly 48,000 to 50,000 upgraded LEDs—about double the original count. The new design was specifically engineered to withstand the Bay Area’s marine environment while expanding visibility across more parts of the region.  

The lights officially returned on March 20, 2026, during a public relighting celebration along San Francisco’s waterfront. Crowds gathered to watch the bridge illuminate once again as shimmering patterns moved across the cables. City officials and organizers described the project as a symbol of creativity, resilience, and civic pride.  

According to organizers at Illuminate, the installation will now shine nightly from dusk until dawn, restoring one of San Francisco’s most beloved nighttime landmarks.