Innovative intersection safety project improves traffic flow while preserving the existing bridge
The South Carolina Department of Transportation (SCDOT) needed safety improvements to the Camp Road and Riverland Drive intersection in Charleston County. They engaged our help to widen the bridge and install a roundabout—a relatively new feature on roads in South Carolina—to improve traffic flow and intersection safety.
We provided bridge design, roadway design, and drainage design, as well as utility coordination for the project. Implementing a roundabout at the intersection required widening the flat slab bridge on Riverland Drive over James Island Creek. To maintain the existing hydraulic performance of the bridge, our team produced designs to expand the width of the entire bridge without impacting its height over the creek. We developed the bridge’s cross-slope, a critical design feature, with a replacement asphalt overlay. This allowed for a level widening of the concrete flat slab and maintaining the low chord elevation. We also added sidewalks and increased the height of the bridge barrier with a custom-designed rail to accommodate pedestrians.
With a wider bridge, a roundabout, and new sidewalks, SCDOT’s investment in the Camp Road and Riverland Drive intersection will help improve safety for everyone, from motorists to pedestrians.
At a Glance
- Offices
- Client
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- South Carolina Department
- of Transportation
Scott Baker, Transportation Engineer
It’s not worth doing unless you work hard and do it right.
Rick Day, Senior Principal, Transportation
I truly enjoy coming to work every day and having the opportunity to work with a talented team and great clients.
Bret Gillis, Principal, Transportation
Being a successful transportation engineer requires understanding public needs, anticipating public perceptions and navigating them for a successful project.
Andy Cook, Senior Structural Engineer
It’s easier to do it right the first time than to redo it later.
David Taylor, Managing Principal
I am excited to be on the Stantec team anchoring the Columbia office in the heart of South Carolina. Excellent client service is our goal.
Justin Tye, Senior Associate, Senior Roadway Engineer
Transportation engineering gives me the opportunity to make routes safer and more efficient for the community to use.
Joe Kelvington, Principal
My goal each day is to do the best work that I can with the resources at hand, and to have fun along the way.
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