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Crews will repair the six-span twin structures by upgrading the support piers; replacing the bridge decks and walls; constructing a retaining wall to stabilize the embankment, rehabilitating existing concrete pavement north of the bridges; and installing new Intelligent Transportation System (ITS) equipment.
In order to maintain two lanes of traffic in each direction on U.S. 202 at all times, construction will be completed in five stages to utilize an Express Lane traffic shift. A temporary traffic pattern will be implemented to carry one lane on the bridge under construction and a second lane on the adjacent bridge, where concrete barriers will separate the lane from the two travel lanes heading in the opposite direction.
This week, PennDOT’s contractor will begin shoulder work on U.S. 202 to establish a work zone from just south of Route 401 to just north of Boot Road. Other preliminary construction activities over the next two weeks include equipment mobilization and survey operations.
Beginning Monday, March 20, crews will start rebuilding the northbound and southbound U.S. 202 shoulders and build crossover lanes in the median at the northern and southern ends of the work zone.
Preparations will then be made to shift one lane over of northbound traffic to the southbound side of U.S. 202, where concrete barriers will separate if from the two lanes of southbound traffic. The second northbound lane will remain on the northbound bridge behind construction barrier as the opposite side is rehabilitated under Stage 1 of the bridge work. Once half the northbound bridge is reconstructed, the northbound lane will
be shifted onto the newly reconstructed half, and the opposite side of the bridge will be rehabilitated under Stage 2.
When the rehabilitation of the northbound bridge is completed in mid-2018, three lanes of traffic — two northbound lanes and a southbound express lane — will be shifted to the rebuilt northbound bridge. The southbound bridge will then be reconstructed one half-at-a-time under Stages 3-4.
A final construction stage will remove the crossovers and restore the median to complete the project in fall 2019.
In addition to rehabilitating the two U.S. 202 bridges, the improvement project includes restoring U.S. 202 pavement near the U.S. 30 Interchange; rehabilitating the bridge carrying Morstein Road over U.S. 202 in East Goshen Township, Chester County; and installing new highway signs and Dynamic Message System (DMS) structures on U.S. 202 and U.S. 30 in Tredyffrin, East Whiteland and West Whiteland townships, Chester County, and U.S. 202 in Upper Merion Township, Montgomery County.
Allan A Myers, Inc. of Worcester, Montgomery County, is the general contractor on the $$26,370,555 project which is financed with 100 percent federal funds.
For more information, visit www.us202-300.com.