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Macon-Bibb County…
I-16/I-75 Interchange Improvement Project Updates: Sept. 5-12, 2025 Lane Closure I-16 WB near I-75, Flaggers Guide Drivers on MLK/Coliseum to I-16 EB Entrance Ramp Thursday Night
MACON-BIBB - 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, September 5, 2025 through Friday, September 12, 2025, are listed below.
Lane Closure, Flagging Operations:
9 p.m. Mon. Sept. 8 through 5 a.m. Fri. Sept. 12, each night:
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One left lane will be closed on I-16 westbound near the !-16/I-75 interchange.
9 p.m. Thurs. Sept. 11 through 5 a.m. Fri. Sept.12:
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Flaggers will guide drivers on Coliseum Drive/Martin Luther King, Jr. Boulevard. at the entrance ramp to I-16 eastbound as crews continue working in the area.
Long-term (estimated 6 months) Traffic Shift through January 2026
Traffic on I-75 heading to I-16 eastbound will follow new traffic patterns onto newly constructed lanes:
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I-75 southbound from just south of Pierce Avenue to I-16 eastbound traffic will shift onto the new left lanes of I-16 eastbound.
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This shift will also restrict access to the I-16 eastbound exit ramp to Spring Street/Exit 1A. Traffic will be detoured past Spring Street to exit at Martin Luther King Jr. Boulevard.
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I-75 northbound from just north of Hardeman Avenue to I-16 eastbound traffic will shift onto the new left lanes of 1-16 eastbound.
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From this direction, drivers will have full access to exit as usual at Spring Street/ Exit 1A.
Roadside signage and lane striping will direct drivers through the new configurations. These two traffic shifts are needed to allow crews to construct pedestrian bridges over the Ocmulgee River.
Ongoing, Long-term Closures:
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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 September 5-12, weather and on-site conditions permitting:
Phases 4 and 5: from I-16 westbound/I-75 to Walnut Creek
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Continue construction of bridge substructures and superstructures for I-16 Spring Street entrance and exit ramps.
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Continue construction of new Second Street bridge substructure.
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Continue construction of one new I-16 westbound bridge substructure and two superstructures.
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Continue construction of two new I-16 eastbound bridge substructures
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Pouring bridge deck spans and edge beams on new I-16 eastbound bridge superstructure.
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Continue construction of two new I-16 westbound entrance ramps.
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Continue demolition of bridge ramp to I-16 eastbound.
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Continue construction of new MSE (retaining) walls along I-75 northbound and southbound and other walls throughout the project.
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Installing pipe and other drainage structures throughout the project area.
Phase 2 and 3: I-75 from Hardeman Avenue to I-16 eastbound
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Continue installation of Riverside Bridge lighting.
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Continue installation of the Walnut Street lighting and guardrail over I-75.
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Construction of concrete sound and visual walls along I-75 northbound and southbound continues.
Phase 1: I-16 from the I-16/ I-75 split to the Martin Luther King Jr. Boulevard exit.
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Evaluating project area for remaining work items.
The I-16/I-75 Interchange Improvement Project is a $500 million safety and mobility megaproj 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.
Advisory: Dates may change due to weather or other factors. Motorists are advised to expect delays, exercise caution, and reduce their speed while traveling through work zones. Before heading out, get real-time information on work status and traffic conditions. Call 511, visit 511ga.org, or download the Georgia 511 app.
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Georgia Department of Transportation plans, constructs and maintains Georgia's state and federal highways. We're involved in bridge, waterway, public transit, rail, general aviation, bike and pedestrian programs. And we help local governments maintain their roads. Georgia DOT and its nearly 4,000 employees are committed to delivering a transportation system focused on innovation, safety, sustainability and mobility. The Department's vision is to boost Georgia's competitiveness through leadership in transportation.
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