Skanska-Corman-McLean JV to start $463M Maryland bridge

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Dive Brief:

  • The Maryland Transportation Authority (MDTA) has picked the joint venture staff of Skanska, Corman Kokosing Development and McLean Contracting to layout and build a new $463 million bridge over the Potomac River connecting southern Maryland and northeastern Virginia. AECOM is the project’s guide designer.
  • Development will start out next thirty day period on the one.9 mile-long, 4-lane bridge over U.S. Route 301 that will substitute the Governor Harry W. Wonderful Memorial/Senator Thomas “Mac” Middleton Bridge, which is applied by about eighteen,000 vehicles day-to-day. The 12-foot-broad lanes with two-foot shoulders will double capacity and boost protection, improving emergency reaction and routine maintenance/inspection pursuits, in accordance to MDTA.
  • The new bridge, which will be developed next to the present one particular, will be full by the stop of 2022, after which crews will demolish the old bridge by December 2024, in accordance to Wade Watson, project director and vice president of operations for Skanska United states Civil. The demolished bridge will be applied as an synthetic reef, a strategy Skanska has applied on prior bridge jobs.

Dive Perception:

Maryland Gov. Larry Hogan has long been committed to building a new, broader and safer bridge to substitute the two-lane Wonderful/Middleton span, which opened in December 1940 and connects Charles County, Maryland, to King George County, Virginia. According to Wade, the new concrete and metal bridge will have a one hundred-yr company everyday living. The bridge also will involve numerous protection enhancements for bicyclists, including bicycle-helpful roadway joints and smart transportation methods resources this kind of as lighting and signage.

The bridge project is one particular of Maryland’s biggest transportation initiatives. Virginia will contribute $13 million to the project.

The layout-build technique tends to make perception for a project of this dimension, Wade explained to Development Dive.

“A single of the major benefits it brings is massive time discounts,” he claimed. “On a normal layout-bid-build the owner would have to go out and cost the project and negotiate a contract just after it truly is been developed. With layout-build you can be building at the similar time you are building.”

After the new bridge and roadway design are full, the present bridge will be demolished and applied to make synthetic reefs in the Chesapeake Bay watershed. These artifical buildings mimic some of the attributes of a purely natural reef, according to the Nationwide Oceanic and Atmospheric Administration, and are usually composed of design components like rocks, cinder blocks, concrete, wood and tires.

The reef technique has been applied by Skanska for several years, Watson claimed, most lately on the Pensacola Bay Bridge project in Florida.