|Below is an overview of the construction schedule for the Diverging Diamond Interchange (DDI)
for the bridge over I-85 at Jimmy Carter Boulevard. Please note that the schedule is subject to
change based on weather and other conditions.
April 2013 – June 2013
Construction activities on the South side of Jimmy Carter Blvd. for stage 1. These activities
include utility relocations, clearing, roadway and bridge widening, drainage, temporary lane
shifts, barrier walls and temporary traffic signal work. Pedestrians will be permitted to cross on
the North side of Jimmy Carter Blvd. Temporary signage will be installed to guide pedestrians.
July 2013 – September 2013
Construction of stage 2 will be focusing on the North side of Jimmy Carter Blvd. This will include
clearing, roadway and bridge widening, drainage, temporary lane shifts, barrier walls and
temporary and permanent traffic signal work. During this stage pedestrians will not be permitted
to cross Jimmy Carter Blvd. and will be required to use the plan pedestrian detour. Temporary
signage will be installed to guide pedestrians. Advance warning of the pedestrian detour will be
provided to stakeholders and the public.
October 2013 – December 2013
Stage 3 Construction includes permanent traffic shift configuration, traffic signals, fencing,
pedestrian facilities and ATMS installation. Pedestrians will still be detoured in this stage until
center walkways are completed. Temporary signage will be installed to guide pedestrians
through the detour.
December 2013 – March 2014
Stage 4 Construction includes final asphalt paving, permanent striping, signs, concrete islands,
sidewalks and decorative lighting. Pedestrian traffic on the bridge will be re-opened in its final
During one full weekend, the bridge will be closed to all through traffic. Right turn access
to and from the interstate will not be impacted. A detailed detour plan will be in place to
minimize impacts. The date of the closure, crossover and detour will be shared with area
stakeholders and the public in advance. For safety reasons, pedestrian traffic on the bridge will
be prohibited for at least one month following the crossover of traffic while the pedestrian
walkways are completed.