This 825-foot-by-140-foot auxiliary concrete spillway is constructed on an existing earthen dam at the Corn Hydroelectric Plant in Gadsden County, Florida. The project features an ogee concrete spillway, 2,050 linear feet of steel sheet pile cutoff walls, and 1,700 linear feet of earthen dam extension. This isolates and eliminates the current fuse plug and emergency … Read more
This project for the Union Pacific Railroad included removing an abandoned vertical lift bridge in Houma, Louisiana, transporting it more than 350 miles, and installing it at an existing swing bridge site in Freeport, Texas. PCL refurbished the existing bridge machinery and control systems, and completed the dismantling and relocation efforts. The proposed vertical … Read more
This project consists of the complete replacement of an existing bascule bridge with a new four-lane divided urban-section bascule bridge. The proposed bridge’s typical section includes 12-foot travel lanes, 8-foot shoulders, and a 15.5-foot median. Sidewalks will be included along both sides of the new bridge, with a pedestrian/bicycle railing on the outside of the … Read more
The primary purpose of this five-mile expansion project was to create additional capacity by constructing toll lanes that reverse the direction of traffic in conjunction with daily rush-hour cycles. This was accomplished with multiple precast concrete, segmental bridges comprising more than 3,000 segments, using the span-by-span method. The reversible lanes include sections constructed with conventional … Read more
This two-lane structure connects the town of Mt. Pleasant to Sullivan’s Island, and traverses the Atlantic Intracoastal Waterway with 900 feet of fixed concrete approach spans and a 247-foot center swing span. This project entailed superstructure replacement, swing span replacement, substructure modifications, a complete mechanical and electrical overhaul, operator house replacement, approach slab … Read more
Located on the Outer Banks of North Carolina, the Herbert C. Bonner Bridge is the only access route across Oregon Inlet between Bodie Island and Hatteras Island. The project consists of a two-lane, 2.7-mile bridge with a maximum span length of 350 feet and a vertical clearance of 70 feet. The north and south approach … Read more