For the Silver Line
The section of the Cross County Trail under the Dulles Toll Road will be closed to all traffic through early November, Fairfax County Park Authority officials said.
The closure is due to construction currently underway on the Dulles Corridor Metrorail Project adjacent to the northern section of the Cross County Trail, located on the Dulles Toll Road in the Difficult Run Stream Valley Park in Dranesville.
Construction of a rail bridge, abutments and piers are planned.
Following completion of the rail project, the Park Authority will begin a previously planned project to improve and resurface the trail under the Dulles Toll Road.
On the upside, a new section of the Potomac Heritage National Scenic Trail just opened
The Fairfax County Park Authority officially opened a new, 90-foot steel frame bridge in Riverbend Park on April 17.
The bridge replaces steep wooden steps leading to a fair-weather crossing that was often flooded, and completes the section of the Potomac Heritage National Scenic Trail between Great Falls National Park and Algonkian Regional Park.
Clarks Branch Bridge is six feet wide, and will accommodate pedestrians, equestrians and mountain bikers. Designed by Bowman Consulting Group of Chantilly and built by Harbor Dredge and Dock of Richmond, the total project cost was $426,069.
The three-year project included $30,000 in funding from the National Park Service for initial hydrology and feasibility studies, and another $30,000 for archaeological studies. Funding for design and construction of the bridge was included in voter-approved park bonds in 2006 and 2008.
The bridge is located a mile from the nearest paved road
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