Location: Lancaster County, SC

Client: SCDOT

Cost: $15million

Project Manager: Derek Staton, PE

Completion: 2024

Design Disciplines: Bridge Design, Roadway Design, Construction Services, Project Management, Hydrology/Hydraulics, Detour and MOT Plans

S-55 Bridge Replacement over Twelve Mile Creek

Project Description:

Carolina TEA led the design of this bridge replacement project. Backwater from the Catawba River floods the subject project at frequent intervals – so improving the roadway approaches to above the design year event has become critical to the project. The bridge replacement will elevate the roadway approximately 15 ft across the floodway. The existing 230 ft 5-span bridge will be replaced with a 400 ft 3 span structure following approval of hydraulic design exceptions for backwater.

Ingress and egress to existing homes and businesses, including an industrial recycling center, will be maintained throughout construction. The project will be developed as an off alignment bridge replacement, with enough shift to construct the temporary bridge construction access between the new and existing roadways.

Project construction cost is estimated to be over $20 million.

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S-349 Bridge Replacement over Sandy Branch

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2021 NCDOT Western Division On Call