1. Lehigh Valley International Airport FedEx Ground Distribution Center & Roadway Improvements

    LNAA, on behalf of FAA, retained RETTEW to complete the Section 106 process, beginning with a windshield survey to identify all buildings older than 50 years in the area of potential effects. Following concurrence from the Pennsylvania State Historic Preservation Office (PA SHPO), RETTEW evaluated 36 potential historic resources to determine their eligibility for listing…

  2. Harrison County Road 51 Bridge Replacement

    Closed to traffic for more than three years following an inspection that deemed it unsafe, residents and community members of German Township have to avoid Harrison County Road 51 Bridge and travel miles out of their way to get to their homes, schools, and businesses. The detour not only delays emergency responders to the area,…

  3. P3 Rapid Bridge Replacement Environmental Compliance and Engineering Support

    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…

  4. Pennsylvania Turnpike Commission 10-Mile Rehabilitation

    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 The safety concerns existed between Milepost A-49 and A-59 along the Northeast Extension of the Turnpike and included outdated median guide rails, worn pavement surfaces, and deteriorating bridges.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…

  5. Pennsylvania Turnpike Commission Wastewater and Environmental Engineering Services

    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…

  6. Rettew Mill Road Bridge Replacement

    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…

  7. Roadway Full-Depth Reclamation

    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…

  8. Amsted Rail Company New Warehouse Facility

    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…

  9. Siegrist Mill Covered Bridge Rehabilitation

    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…

  10. Auction Road Bridge Replacement

    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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Corporate News

RETTEW Appoints Two Independent Board Members

RETTEW announced today the addition of two independent members to its Board of Directors. Effective December 10, 2019,…

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How to Be Prepared, Not Scared, in Emergencies

How prepared are you for an emergency? In everything we do, safety is a top priority here at…

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