Rochester, MN (KROC-AM News)-One of Minnesota's biggest road construction projects is set to get started in earnest this year. 

See Also: More Money Pours in to Fund Olmsted County Interchange Project 

The massive road project is one of many that will take place across the state when the construction season begins next month. Work to prepare for the project already got underway last month. 

MnDOT says the multi-season project has an estimated $38.4 million price tag and is slated to be finished in 2026. 

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Reconstruction of Busy Southeast Minnesota Interchange to Start in 2024

Construction crews will embark on the three year journey to rebuild the I-90/Hwy. 52 interchange southeast of Rochester in July. It begins with the construction of temporary crossover lanes and new ramps and loops. 


In 2025 Crews will begin to build a fly-over lane that allows southbound Hwy. 52 motorists seeking eastbound I-90 to bypass the left turn that currently exists at the interchange. 


MnDOT has previously indicated that increasing traffic volumes on northbound Hwy. 52 have made the left turn onto the eastbound I-90 onramp more dangerous. The agency reduced traffic at the intersection to one lane in an attempt to reduce crashes at turn

The project plans also call for building a new entrance ramp to eastbound I-90 to the south of the current ramp. 


Crews will also reconstruct the eastbound I-90 overpass at the interchange in 2025. Work to rebuild the westbound I-90 overpass is set to start in 2026. 

MnDOT says the newly-constructed bridges will give drivers better sight lines and will last for 60 years. 

Once the work starts, motorists will have to navigate single-lane traffic on I-90 and Hwy. 52. Temporary ramp detours will also be in place during the construction. 

The I-90/Hwy. 52 interchange project is one of seven major construction projects happening in southeast Minnesota this year. Keep scrolling to see the others.

Major 2024 Road Projects Happening in Southeast Minnesota

A look at some of the major road projects set to occur in southeast Minnesota during the 2024 construction season

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