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Pennsylvania’s Rapid Bridge Replacement Public/Private Partnership (P3) project is a five-year, multimillion dollar open-end contract aimed at replacing approximately 560 bridges statewide. It is the most extensive infrastructure project in Pennsylvania and one of the largest nationwide. Because of this effort and other PennDOT investments, the number of State-maintained bridges in good condition has increased…
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The Pennsylvania Turnpike Commission identified a number of potential safety issues along aging sections of the Pennsylvania Turnpike. The safety concerns existed between Milepost A-49 and A-59 along the Northeast Extension of the Turnpike and included outdated median guide rails, worn pavement surfaces, and deteriorating bridges. RETTEW provided transportation design for the $21 million improvement…
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The Pennsylvania Turnpike Commission was looking for environmental engineering services for its facilities statewide, including 62 interchanges, 21 maintenance facilities, 17 service plazas, 8 police stations, 5 tunnels, and multiple administrative and operation buildings. RETTEW’s staff experience in wastewater and environmental engineering, along with our strategic office locations to provide on-site services, led to selection…
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Keller’s Covered Bridge, the original single-lane single-span Burr-arch wooden truss carrying Rettew Mill Road over Cocalico Creek, is a beautiful historic structure, but its 5-ton weight restriction, limited vertical and horizontal clearance, and insufficient sight distance prohibited it from adequately meeting modern-day transportation needs. Ephrata Township needed to replace this bridge in order to significantly…
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In northern Pennsylvania, many of the rural roads were constructed and maintained for light to moderate farm traffic. When natural gas drilling and exploration in Pennsylvania’s Marcellus Shale region hit, the roads suddenly became major thoroughfares for thousands of trucks hauling equipment and materials needed for natural gas operations, thereby causing major damage to the…
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Amsted Rail Company, the largest freight car components manufacturer in the world, wanted to establish themselves as a comprehensive services provider for all train and freight car-related equipment in the region, but needed to expand their facilities to accommodate increased production. The client required assistance designing and constructing a new 6,000-SF warehouse to house their…
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Lancaster County cares deeply about the heritage of its covered bridges, which account for 10 percent of all of the covered bridges in the state and 1 percent of all existing covered bridges nationwide. The Siegrist’s Mill Covered Bridge sustained major damage during Tropical Storm Lee. The storm washed the bridge off its abutments, and…
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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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The SR 0038 Bridge over Connoquenessing Creek was a 76-foot-long concrete T-beam bridge deemed structurally deficient by the Pennsylvania Department of Transportation (PennDOT). Because of noticeable surface erosion and deterioration, and foundational issues caused by heavy traffic volume and faulty drainage, PennDOT decided to replace the defective bridge. They turned to RETTEW to design the…
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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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RETTEW NEWSROOM
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Go to NewsroomRETTEW Charitable Foundation Awards Grant for What If 101 School Program
The RETTEW Charitable Foundation awarded a $5,000 grant to TomTod Ideas for What If 101, a weekly program…
Read MoreRETTEW’s Elizabeth Helsel Recognized as 2022 Top Solar Designer
RETTEW is pleased to announce Elizabeth Helsel, Design-Build Project Manager, has been recognized as the 2022 Top Solar…
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