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Arch Tour Fest 3:30PM: Sixth Street Viaduct

November 16 @ 3:30 pm - 5:00 pm PST

$30 – $45

Photo Credit: City of Los Angeles, Bureau of Engineering, Michael Maltzan Architecture, Inc. / HNTB Corporation

Arch Tour Fest: Sixth Street Viaduct | 3:30PM

This is an in-person tour. Attendees will be required to show proof of vaccination. Please read and check the agreement and safety boxes in the registration. Additional information regarding the tour and check-in process will be emailed directed to registrants 24 hours before the event. Tickets are non-transferable.


All visitors must wear hard hats, orange reflective vests, closed toe boots, long pants, gloves and eye protection. Gear will be provided to all registrants.


CES Learning Units: 1.5LU (applying)

The new Sixth Street Viaduct and companion PARC (Park, Arts, River and Connectivity Improvements) are transformative infrastructure projects in the City of Los Angeles. Equal parts architecture and engineering, the new viaduct’s iconic arches span the Los Angeles River, connecting Boyle Heights to the east and Arts District to the west. Designed to accommodate cars, and incorporate significant new bicycle connections, the design also allows pedestrians to access the viaduct above by stairs from the recreational and open spaces below, linking the bridge, the Los Angeles River, and the park in a more meaningful way. Designed by Michael Maltzan Architecture and led by the City of Los Angeles Bureau of Engineering, the viaduct is expected to be completed in 2022.

Architect: Michael Maltzan Architecture
General Contractor: Skanska Stacy and Witbeck
Design Engineer: HNTB
Project Management: Jacobs
Construction Management: TY Lin
Field Engineer / Bridge Specialist: Psomas, CM
Concrete Specialist: Wiss Janney Elstner, CM
Source Inspection: MARRS, CM
Urban Design Competition: AC Martin
Bridge Design Competition: Dissing + Weitling
Design Engineer for PARC: Tetra Tech
Landscape Architect for PARC: Hargreaves Associates
Geotechnical Engineer: Earth Mechanics
Historical/Environmental Services: GPA Consulting


Tour Led By:

Julie Allen – Principal Civil Engineer, City of Los Angeles Bureau of Engineering

Julie Allen has spent over 28 years devoted to public service, including leadership roles in several high profile City of Los Angeles projects, including Echo Park Lake, prior to her current role as the project manager of the $588 million Sixth Street Viaduct Replacement Project. Julie has also volunteered her time and expertise to support development within her local community, including serving as a Planning Commissioner and as the chairperson of the Citizens’ Oversight Committee for the school district construction bond program.


Tim Williams – Managing Principal, Michael Maltzan Architecture

Tim Williams has more than 29 years of experience and joined MMA in 1997. Over the past decades, he has supervised the development of some of the firm’s most involved projects including the Sixth Street Viaduct, Winnipeg Art Gallery Inuit Art Center, and the St. Petersburg Pier. As a Managing Principal, Tim manages the professional staff and directs all project commitments of the office. Tim received his Bachelor of Architecture with Distinction from the Southern California Institute of Architecture where he was awarded the Top Thesis Medal upon graduation.


Paul Stoelting – Associate, Michael Maltzan Architecture

Paul Stoelting joined Michael Maltzan Architecture in 2013 and over the past eight years has worked on some of the office’s most complex technical projects. He is MMA’s project manager for the Sixth Street Viaduct and Sixth Street P.A.R.C. (Park, Arts, River and Connectivity Improvements) project. He has also managed the design for multi-unit housing projects in Los Angeles and Winnipeg. Paul received a Master of Architecture degree from Southern California Institute of Architecture and a Bachelor of Fine Arts from the Milwaukee Institute of Art and Design.


Learning Objectives:

1. Participants will learn about the history of the bridge replacement project including the City of Los Angeles Bureau of Engineering’s priorities for a multi-modal span to replace the original 1932 bridge
2. Participants will learn and discuss the design and planning decisions that prioritized connectivity and accessibility for motorists, cyclists, and pedestrians
3. Participants will understand the digital design tools used to coordinate the architectural design and engineering of the iconic bridge structure
4. Participants will learn about the complex sequencing and construction coordination beginning with the demolition of the existing viaduct in 2016
5. Participants will see firsthand the construction technologies and innovations that make up the largest bridge project in the history of Los Angeles.



November 16
3:30 pm - 5:00 pm PST
$30 – $45
Event Category:


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TOURS - Sixth Street Viaduct - AIA Member
3:30PM Tour
$ 30.00
0 available
Sold Out
TOURS - Sixth Street Viaduct - Non Member
3:30PM Tour
$ 45.00
0 available
Sold Out