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Vol. XXIII • No. 24
“The Nation’s Best Read Construction Newspaper… Founded in 1957.” Your Georgia Connection: Rich Olivier, Atlanta, GA • 1-800-409-1479
Superior Construction Co. Inc. expects to complete the $82.5 million I-20 @ Savannah River Bridge Replacements project for the Georgia Department of Georgia Transportation (GDOT) and the South Carolina Department of Transportation (SCDOT) in the winter of 2022. This initiative is replacing and widening the existing I-20 bridges over the Augusta Canal and Savannah River within the city of Augusta, Ga. (Richmond County) and the city of North Augusta, S.C. (Aiken County) to improve safety and operations along I-20 that links the two states. Construction began in January 2019 and the progress has been solid. The project also will widen 1.8 mi. of I-20, replacing four bridges over the Augusta Canal and Savannah River, and is CEG CORRESPONDENT
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Savannah
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making intersection improvements at the West Martintown Road Interchange in South Carolina, including signalizing the intersection at Exit 1, placing a new signal at the I-20 EB offramp and West Martintown Road and turn lane improvements. Construction Progress Thus far, Superior Construction has completed the following: poured 1,779.9 cu. yds. of bridge deck concrete, set 1,268 linear ft. of 74-in. PSC beams, set 1,263.2 linear ft. of 78-in. PSC beams, set 244 linear ft. of 3-in. PSC beams, installed 975,563.62 lbs. of reinforced steel, placed 25,455.5 tons of GAB and paved 17,550 linear ft. (3.3 mi.) of 12-in. PCCP. The remaining work will focus on the demolition and reconstruction of the existing WB and EB travel lanes during Phase 3 and Phase 4 construction, which followed the first
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major traffic shift on the weekend of Nov. 20. During each of the upcoming phases, Superior will install the same or more of the above-mentioned quantities. “Some of the challenges we’ve faced were the failure of the Aquadam system prior to switching to a rock cofferdam, subcontractor availability and readiness due to transportation constraints and a reduction in workforce, COVID-19, water level increases due to weather, and dam releases, and adverse weather events,” said Tim Marsh Sr., Superior’s project manager. “Superior negated the effects on these challenges by bringing on additional resources and assisting subcontractors with labor and transportation. The progress of work has returned to an exemplary standard of execution and should continue to improve as the project progresses. see BRIDGE page 6