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The ABC Chesapeake Project of the Year: Humpback Bridge Replacement

Cianbro's Mid-Atlantic Region had a big night at the recent ABC Chesapeake Chapter awards banquet held at Navy/Marine Corps Stadium in Annapolis, Maryland. Not only did Cianbro come away with a coveted SHARP Platinum Award for outstanding safety performance, the region's Humpback Bridge Replacement won the evening's highest honor, ABC Chesapeake Project of the Year. Cianbro Regional General Manager Chris Scott, Project Superintendent Josh Clark and Project Manager Tesfa Berhane stepped to the podium to accept the honors.

Cianbro’s replacement of the Humpback Bridge included widened travel lanes, as well as the addition of an acceleration lane to alleviate traffic backups on existing ramps and the 14th Street Bridge. The Mount Vernon Multiuse Trail was widened and a barrier was added to separate the trail users from the traffic. The grade of the George Washington Memorial Parkway was lowered across the bridge to improve sight distance, and a tunnel was added under the bridge for safer passage between the Columbia Island Marina, the Mount Vernon Trail and the Potomac Shore.

The panel of judges recognized Cianbro's expertise, teamwork and innovation in completing the Humpback project successfully and with no lost time injuries. The evaluation panel marveled at Cianbro's ability to keep all modes of transportation operational (vehicle, vessel, bike and pedestrian) while performing on a very busy, tight and high profile site near the Pentagon and Reagan National airport.

While on site with the ABC judges, veteran team member Don Keresztenyi wowed the panel with his description of numerous project challenges and subsequent Cianbro solutions. Don explained that while removing the “hump” from the Humpback Bridge for safety purposes was the overriding reason for the project, there were also important historic considerations. Since the bridge is listed on the National Register of Historic Places, Cianbro had to preserve the appearance of the historic façade. Cianbro's team catalogued and stored every stone removed from the existing bridge, and seamlessly integrated new stone with the old to maintain the landmark's historic integrity.

"There were a lot of people who made the success of this project happen," said Chris Scott. "They deserve the thanks for the award."

In addition to the Federal Highway Administration Eastern Federal Lands Division, key partners in success include the National Park Service, the Park Service Police and specialty subcontractor Lorton Stone. 

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