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11th Street Bridge

Project Overview

By far the largest District Department of Transportation (DDOT) project underway, the $390 million 11th Street Bridge Project is critical to improving travel and achieving the larger vision of the Anacostia Waterfront Initiative.

The project is replacing two bridges built in the 1960s with three new bridges that separate local and freeway traffic.

The new freeway bridges also provide the missing interstate connections between 1-695 (also known as the Southeast-Southwest Freeway) and DC-295, fixing a long-standing deficiency that forced motorists to use local streets to connect to and from both freeways.

The new 11th Street Bridges will provide critically needed infrastructure, relieve local streets of interstate traffic and connect pedestrian and multi-modal traffic on both sides of the Anacostia River.

The project is divided into two phases:

Phase 1

The $295 million first phase provides three new bridges; a new 14-foot-wide pedestrian and bicycle sidewalk on the local bridge that connects to the Anacostia Riverwalk Trail; drainage and other environmental investments to treat all storm water within the project area; an additional evacuation route; and design accommodations for the future streetcar system.

In order to encourage contractors to develop innovative ways to deliver the project efficiently under financial constraints, DDOT used a design-build-to-budget procurement method that not only significantly reduced the cost by approximately $100 million, but also allowed DDOT to accelerate the construction schedule by five months. Phase I was completed ahead of schedule and within budget in July 2013.

Phase 2

Because of the success of Phase I, FHWA authorized DDOT to proceed with the remaining 20 percent (Phase II) of the project at an additional, estimated budget of $95 million. Phase II of the 11th Street Bridge Project will further improve connections along the I-695 (aka SE/SW Freeway) and lay the groundwork for its reconstruction to a level Boulevard between 8th Street, SE and Barney Circle (Pennsylvania Avenue). Phase II construction started in July 2012 and is scheduled to be completed in mid-2015.

When completed in mid-2015, Phase II of the 11th Street Bridge Project will:

  • Replace the dilapidated, two-lane I-695 outbound flyover bridge (over M Street) with a new, three-lane bridge.
  • Provide better access to Capitol Hill and Historic Anacostia via new ramps on 11th Street from the I-695 (aka SE/SW Freeway) and Boulevard.
  • Raise the SE/SW freeway approximately 20 feet between 8th and 13th Streets and re-designate it as a Boulevard.

Download Project Fact Sheet PDF


Milestones

Milestone Date
Began Construction December 2009
Northbound I-295 Off-Ramp to Anacostia/Capitol Hill Early October 2012
Anacostia/Capitol Hill On-Ramp to Southbound I-295 Mid-October 2012
Southbound DC-295 Off-Ramp to Anacostia/Capitol Hill End of 2012
Anacostia/Capitol Hill On-Ramp to Northbound DC-295 End of 2012
Northbound and Southbound DC-295 local bridge ramps Mid-2013
Phase I Completion July 2013
Local Bridge Completion September 2013
Completion of Construction Mid 2015

Investment

  • Phase 1:  $295 million
  • Phase 2:  $95 million

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