Sixth Street Bridge

Sixth Street Bridge The Sixth Street Bridge is an historic structure in downtown Los Angeles. The new design has several green spaces built under and around it.

The Sixth Street Bridge is a viaduct bridge that connects the downtown and Boyle Heights areas of Los Angeles, California. It spans the Los Angeles River, the Santa Ana Freeway (US 101), and the Golden State Freeway (I-5), as well as Metrolink and Union Pacific railroad tracks and several local streets. The viaduct is composed of three independent structures: the reinforced concrete west segment, the central steel arch segment over the river, and the reinforced concrete east segment. In 1986, the Caltrans bridge survey found the 6th Street Bridge eligible for inclusion in the National Register of Historic Places. During the construction of the original viaduct, an on-site plant was used to supply the concrete for construction. However, the quality of the concrete turned out to have a high alkali content and led to an alkali-silica reaction which created cracks in the concrete and sapped the strength of the structure. Estimates were that the viaduct had a 70% probability of collapse due to a major earthquake within 50 years. Despite its historical status, the bridge was closed for demolition and replacement in January 2016 due to concerns over seismic instability. The new not yet completed bridge is designed by architect Michael Maltzan and the HNTB Design-Build team and contractors Skanska and Stacy and Witbeck. The latest completion date is set for March 2022.

09/17/2026

The park was expected to open this year, but delays in playground equipment installation have pushed back its opening, as residents continue to raise concerns about maintenance and safety.

09/14/2026

Los Angeles police corralled and arrested scores of minibike riders on Sunday, thwarting a takeover of 6th Street Bridge, police said.

New $82 million LA park isn't open yet, but neighbors already raise crime concerns...
09/02/2026

New $82 million LA park isn't open yet, but neighbors already raise crime concerns...

08/23/2026

It’s a case study in urban dysfunction.

08/20/2026

A look back at six award-winning road and bridge projects from the Golden State as submissions for the 2026 Top 10 Roads & Bridge Awards remain open through Sept. 4

08/10/2026

Someday, you might be able to ride a bike from the western San Fernando Valley to Long Beach along the Los Angeles River. But an eight-mile gap downtown with a ballooning price tag remains.

08/05/2026

The 12-acre Sixth Street PARC, set to open this year beneath the 6th Street Bridge, is meant to connect Boyle Heights to the Arts District. But will this new civic space face the same precipitous decline as the bridge?

05/22/2026

Michael Maltzan founded Michael Maltzan Architecture in 1995 and has worked on many projects, including the Moody Center for the Arts at Rice University, MoMA QNS, the UCLA Hammer Museum, and the Sixth Street Viaduct.

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