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New Pattern on GW Parkway Bridge

Reconstruction of the George Washington Parkway's Humpback Bridge is entering a new phase that probably will have more of an impact on drivers.

humpback map (3).jpg Humpback Bridge area on GW Parkway. (Federal Highway Administration)

On the southbound side of the parkway, both lanes are shifting to the left just before the bridge. This is likely to cause traffic congestion, even during the peak periods, when all the lanes are open.

At this early stage of the project, which began last month, the construction work includes installation of two cranes on each side of the Boundary Channel along the southbound parkway and removal of a power line from under the bridge. A temporary power line will be installed across the channel, and boats still can pass under the bridge. The Mount Vernon Trail stays open for walkers and bikers throughout the project.

The Humpback Bridge, just northwest of the 14th Street Bridge and I-395, is being rebuilt by the National Park Service and the Federal Highway Administration to improve traffic flow and make it safer for motorists, walkers and bicyclists.

All the parkway lanes across the bridge are open during the rush periods of 5:30 a.m. to 10 a.m. and 3 p.m. to 7 p.m. At other times, you may find lanes closed, but at least one lane will be open in each direction. Watch for the electronic message boards and construction signs, which will have the most current information as you approach the bridge, but you can also check

Rebuilding the bridge while keeping it open to traffic means the project will take until the spring of 2010 to complete. How is it going for you so far on this busy route? Has anyone tried a detour, or are the delays not yet significant enough to require alternative routes?

By Robert Thomson  |  February 5, 2008; 10:20 AM ET
Categories:  Construction  
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