Contractors for the Georgia Dept. of Transportation (GDOT) will continue construction activities related to the I-16/I-75 Interchange Improvement Project next week in Macon-Bibb.  Weather and on-site conditions permitting, the scheduled activities beginning Friday, August 4 through Friday,   August 11, 2023, are listed below.
 
Lane Closures, Traffic Shifts:  
Friday, August 4, beginning at 9 p.m.

• Traffic on I-16 eastbound from Coliseum Drive/Martin Luther King Jr. Boulevard to the I-16/I-75 interchange will be shifted onto two newly constructed roadway lanes. Drivers will use the new lanes, shifted to the right.

Monday, August 7, 9 p.m. until 5 a.m. the following morning

• One left lane on I-16 eastbound and westbound will be closed between the I-16/I-75 interchange and Coliseum Drive/Martin Luther King Jr. Boulevard. Crews will be preparing to shift traffic onto new roadway next weekend.  

  
Ongoing, Long-term Closures:

• Webb Street will be closed to traffic while crews work on concrete pavement at Walnut Street.  Traffic will be detoured to Hudson Street and Orchard Avenue during the closure. On-site signage will advise drivers of the closure and detour.

• The far right lane of I-75 northbound at the Georgia 19/Georgia Avenue exit (exit 164) is closed to traffic for several months.

• Spring Street's far right lane at the I-16 westbound on-ramp as well as the right-hand on-ramp to    I-16 westbound are both closed for several months; the Spring Street on-ramp to I-16 westbound has been relocated to the far left lane.

Construction Activities for August 4-11, weather and on-site conditions permitting:
 
Phases 4 and 5: from I-16 westbound/I-75 to Walnut Creek

• Continue construction of bridge substructures for I-16 Spring Street entrance and exit ramps.

• Continue construction of new Second Street bridge substructure.

• Continue construction of one new I-16 westbound bridge substructure and two superstructures.

• Continue construction of two new I-16 eastbound bridge substructures

• Pouring bridge deck spans and edge beams on new I-16 eastbound bridge superstructure.

• Continue construction of two new I-16 westbound entrance ramps.

• Continue demolition of bridge ramp to I-16 eastbound.

• Continue construction of new MSE (retaining) walls along I-75 northbound and southbound and other walls throughout the project.

• Installing pipe and other drainage structures throughout the project area.

 
Phase 2 and 3:  I-75 from Hardeman Avenue to I-16 eastbound

• Continue construction of Riverside Bridge approaches, roadway and pipe installation.  

• Continue construction of the Walnut Street bridge over I-75.  

• Completed construction of the superstructure for two of the new I-75 northbound and southbound bridges.

• Continue demolition and removal of the existing I-16 westbound and I-75 northbound and southbound bridges.

• Construction of MSE (retaining) walls along I-75 northbound and southbound and at other locations throughout the project continues.

• Construction of concrete sound and visual walls along I-75 northbound and southbound continues.

• Continue demolition of the existing pavement on the left lanes of I-75 northbound from Hardeman Avenue to north of the Riverside Bridge.  

• Continue concrete paving for new I-75 northbound and southbound roadways, and new I-75 southbound ramp to new I-16 eastbound.

• Continue installing curb and gutter on First Ave and Craft Street.

• Continue installing fencing on Riverside Drive and Walnut Street bridges.

 
Phase 1: I-16 from the I-16/ I-75 split to the Martin Luther King Jr. Boulevard exit

• Evaluating project area for remaining work items.  

The I-16/I-75 Interchange Improvement Project is a $500 million safety and mobility megaproject. With its massive scope to widen and reconstruct I-16, I-75 and their interchange in Macon-Bibb, this project is being delivered in seven design and construction phases that will continue through 2030.  When complete, new CD lanes, additional interstate lanes, new interstate on-and off-ramps, upgrades to 11 bridges, new walls, upgraded drainage systems, etc. will deliver safer and improved mobility for Macon-Bibb’s local commuters and businesses, regional travelers and commercial freight from the Georgia southern coast to destinations within the state and throughout the U.S.