11th Street Bridge Park

OMA+OLIN’s winning design for the 11th Street Bridge Park Competition connects two historically disparate sides of the Anacostia River with a series of rooms and active zones, including two sloped ramps that elevate visitors to maximized look-out points to landmarks in either direction. Each ramp terminates in a waterfall that visually reconnects the ramps to the river below. In addition to demonstrating how plants cleanse captured rainwater, the waterfalls above the bridge deck provide cooling breezes and a calming sound. The waterfall below the structure collects surface river water and drops it back into the river, emphasizing the need for river aeration and higher oxygen levels. To encourage visitors to the bridge and neighboring communities, the design includes amenities for comfort and refreshment and an open plaza for markets, festivals and theatrical performances. The form of the bridge creates an iconic encounter, an “X” instantly recognizable as the river’s new image.

Location

Washington, DC

Status

Design In Progress

Competition Completed 2014

Project Types

Park, Transportation, Waterfront

Owner

Building Bridges Across the River at THEARC

Key Team Members

Hallie Boyce, Design Partner

Judy E. Venonsky, Associate, Living Systems Specialist

Josh Leaskey, Associate, QA/QC

Sarah Miller, Associate

Hangxing Liu, Senior Landscape Architect

Jonathan Haller, Senior Landscape Architect

Siyu Du, Landscape Architect

Competition Team

Hallie Boyce, Design Partner

Skip Graffam, Design Partner

Ryan Buckley, Project Manager

Consultant Team

WRA Engineers, Civil Engineer, Prime Consultant, Structural Engineer

OMA, Architect

ARCH Development, Community Outreach

Arup, Structural Engineer (Competition Phase)

Setty & Associates, MEP Engineer

Threshold Acoustics, Acoustics Consultant

Delon Hampton, Civil Engineer

WDP & Associates, Facade/Waterproofing

Dharam Consulting, Cost Estimator

MCLA, Lighting Designer

Studio Ludo, Play Consultant

Cecilia Alemani, Public Art Advisor (Competition Phase)

© OLIN + OMA © OLIN + OMA © OLIN + OMA © OLIN + OMA © OLIN + OMA © OLIN + OMA
Status

Design In Progress

Competition Completed 2014

Project Types

Park, Transportation, Waterfront

Owner

Building Bridges Across the River at THEARC

Key Team Members

Hallie Boyce, Design Partner

Judy E. Venonsky, Associate, Living Systems Specialist

Josh Leaskey, Associate, QA/QC

Sarah Miller, Associate

Hangxing Liu, Senior Landscape Architect

Jonathan Haller, Senior Landscape Architect

Siyu Du, Landscape Architect

Competition Team

Hallie Boyce, Design Partner

Skip Graffam, Design Partner

Ryan Buckley, Project Manager

Consultant Team

WRA Engineers, Civil Engineer, Prime Consultant, Structural Engineer

OMA, Architect

ARCH Development, Community Outreach

Arup, Structural Engineer (Competition Phase)

Setty & Associates, MEP Engineer

Threshold Acoustics, Acoustics Consultant

Delon Hampton, Civil Engineer

WDP & Associates, Facade/Waterproofing

Dharam Consulting, Cost Estimator

MCLA, Lighting Designer

Studio Ludo, Play Consultant

Cecilia Alemani, Public Art Advisor (Competition Phase)

Awards

2024, The Committee of 100 on the Federal City, Vision Award

2023, Chicago Athenaeum American Architecture Awards

2023, American Society of Landscape Architects, Pennsylvania-Delaware Chapter, Analysis & Planning Category, Merit Award

2019, World Landscape Architecture, Conceptual Design Category, Award of Excellence

2018, Architizer A+ Award, Unbuilt Masterplan