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The existing two-span, 37-foot-long North Locust Street Bridge over Santo Domingo Creek carried 2,400 vehicles per day through Lititz Borough but was structurally deficient due to scour and poor pier condition. Looking for one less structurally deficient bridge in their community, the Borough received federal monies to replace the concrete slab bridge. The Borough wanted…
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Verizon Wireless proposed a new 100 by 100-foot telecommunication compound, with a 20-foot-wide access/utility easement including a 12-foot-wide gravel access drive and underground utilities. The client needed to confirm if wetlands and stream resources were present within the proposed cell tower site. Verizon hired RETTEW to perform a wetland delineation investigation identifying the boundaries of…
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College Avenue in Elizabethtown Borough was in need of more efficient transportation infrastructure to decrease traffic congestion and hazards as well as improve traffic flow. To accomplish this goal, RETTEW split the project into two phases. The first phase relocated an existing borough street to avoid placing heavy traffic in local neighborhoods with small intersections,…
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West Donegal Township closed Newville Road Bridge in the 1990s because of excessive corrosion in its asphalt-filled metal deck pans. After receiving federal funding administered through the Pennsylvania Department of Transportation (PennDOT) for the project, the Township selected RETTEW to develop a new bridge and approach roadway that met both PennDOT and Amtrak design criteria….
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Closed to traffic for more than three years following an inspection that deemed it unsafe, residents and community members of German Township had to avoid the Harrison County Road 51 Bridge and travel miles out of their way to get to their homes, schools, and businesses. The detour not only delayed emergency responders to the…
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Built in 1916 as a one-lane, reinforced-concrete tied-arch structure carrying Auction Road over Big Chiques Creek in Penn and Rapho Townships, Auction Road Bridge was one of only four reinforced-concrete through-arch-style bridges remaining in the commonwealth eligible for listing on the National Register of Historic Places. However, the historically significant structure was no longer able…
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After being deemed structurally deficient due to its age and deteriorating condition, Quimby Bridge — a concrete encased steel beam bridge built in 1915 on Pusey Mill Road over the east branch of Big Elk Creek — was in need of replacement. One of the many challenges surrounding this site was its environmental sensitivity, including…
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Eden Road Bridge — also known as Big Conestoga #7 — had a deteriorating bridge deck, failing abutments, cracking structure, rotation, and settlements that were all significant concerns. Since the bridge is one of the most heavily-traveled bridges owned by the County, it was becoming more and more critical for them to replace it. As…
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Built in 1873 and listed on the National Register of Historic Places in 1980, Keller’s Covered Bridge stood on Rettew Mill Road in Ephrata Township for nearly 140 years. When it came time to replace the bridge with a structure that better met modern-day transportation needs, County and Township officials needed to preserve historic Keller’s…
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Amtrak and the Commonwealth of Pennsylvania invested millions of dollars to make improvements to the Lancaster train station including convenience, speed, and safety for commuters traveling between Harrisburg and Philadelphia. The improvements needed to meet Amtrak standards. RETTEW provided all site engineering design services to obtain local authority and agency approvals for this project. RETTEW’s…
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Join us for an informative and engaging event as part of OSHA’s 2024 National Safety Stand-Down. This hybrid gathering…
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