News & Insights

  • April 13, 2017

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...

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  • April 13, 2017

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...

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