Overnight Lane Closures Planned on Interstate 90 at Hartford - Exit 387
For Immediate Release:
Monday, Dec. 15, 2025
Contact:
Matthew Glines, Project Engineer, 605-220-6798
HARTFORD, S.D. – Beginning at 8 p.m. on Wednesday, Dec. 17, 2025, through 6 a.m. on Thursday, Dec. 18, 2025, the eastbound lanes of Interstate 90 at exit 387 (Hartford) will be temporarily closed to allow crews to set bridge girders over the eastbound lanes. During this overnight closure, eastbound I-90 traffic will be diverted using the exit 387 off- and on-ramps before returning to the Interstate.
The same traffic diversion for westbound I-90 will occur from 8 p.m. on Friday, Dec. 19, 2025, through 6 a.m. on Saturday, Dec. 20, 2025, for bridge girder placement over the westbound lanes. During this overnight closure, westbound I-90 traffic will be diverted using the exit 387 off- and on-ramps before returning to the Interstate.
Western Avenue (County Highway 151) will remain open during both overnight operations. Traffic on Western Avenue will be guided through the work zone by flaggers.
Motorists should expect minor delays and should use caution while traveling through the area. These operations are weather dependent and may be rescheduled if inclement weather occurs.
The prime contractor for this $12.6 million project is D & G Concrete Construction Inc. of Sioux Falls, SD. The overall completion date for this project is June 2026.
Featured project website:
For additional information about this project, please view the featured project website at https://dot.sd.gov/projects-studies/construction-projects/interstate-90-exit-387-hartford.
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For updates on MAJOR traffic changes, subscribe to a free text-in service. To subscribe, simply text the keyword “I90Exit387” to 605-566-4041. Subscribers can unsubscribe at any time.
About SDDOT:
The mission of the South Dakota Department of Transportation is to provide a safe and efficient public transportation system.
For the latest on road and weather conditions, road closures, construction work zones, commercial vehicle restrictions, and traffic incidents, please visit https://sd511.org or dial 511.
Read more about the innovative work of the SDDOT at https://dot.sd.gov.
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