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I-75 Mill Creek Expressway

Add Through Lane(s)

Project Status

  1. Proposed

  2. In Development

  3. Pre-construction

  4. Construction

  5. Completion

About the Mill Creek Expressway projects

The Mill Creek Expressway projects will widen and resurface I-75 between Paddock Road and the Western Hills Viaduct in Hamilton County. Projects will also include interchange improvements at Hopple Street, I-74, Mitchell Avenue, Norwood Lateral, and Paddock Road. Total project investments are estimated at $550 million to $650 million.

The Mill Creek Expressway projects have been split into 12 phases, some of which are complete already. Phases were not completed in order. Phase 5A is currently under construction, which will widen I-75 between Hopple Street and Mitchell Street, connect prior improvements from Hopple Street and Mitchell Street projects.

Current traffic impacts

I-75 between Monmouth Street and Mitchell Avenue will experience overnight lane closures on weekends throughout the project. Various temporary ramp closures and lane closures throughout the work zone are expected.

Current and upcoming phases

Phase 5A

UNDER CONSTRUCTION NOW  •  $86.9 MILLION

Widen I-75 and connect improvements from Hopple Street and Mitchell Street projects. Project is under way and schedule to complete in September 2022.

Phase 5B

CONSTRUCTION TO BEGIN IN SPRING 2021  •  $91 MILLION

Reconfigure I-75 southbound connection to I-74 eastbound, and improve the I-74 eastbound connections to I-75.

Phase 8

CONSTRUCTION TO BEGIN IN SUMMER 2022  •  $121.6 MILLION

  • Widen and resurface I-75 between state Route 562 and state Route 126

  • Rehabilitate existing bridges

  • Reconstruct the state Route 562/Norwood Lateral interchange

  • Remove the Towne Avenue interchange

  • Improve the Paddock Road interchange

  • Tie in existing state Route 126/Ronald Reagan Cross County Highway interchange southern ramps

Project scheduled to begin in summer 2022. Estimated cost: $121.6 million

Completed phases

Project Development

COMPLETE  •  $10.9 MILLION

Preliminary engineering and right-of-way acquisition.

Phase 1

COMPLETE  •  $53.7 MILLION

Reconstruct the Mitchell Avenue interchange with I-75.

Phase 2

COMPLETE  •  $6.8 MILLION

Replace the Monmouth Street overpass and convert Monmouth Street to a through street between Colerain Avenue and Central Parkway, and remove the Bates Avenue overpass and pedestrian bridge over I-75.

Phase 3

COMPLETE  •  $13.3 MILLION

Realign the intersection of Colerain and Beekman avenues, add a new ramp from Beekman Avenue to I-74 westbound to create a full interchange, and eliminate existing ramps from I-74 to Spring Grove Avenue.

Phase 4

COMPLETE  •  $90.6 MILLION

Widen and resurface I-75 between Western Hills Viaduct and Monmouth Street, reconstruct the I-75 and Hopple Street interchange, and remove the pedestrian bridge over Central Parkway.

Phase 6

COMPLETE  •  $22 MILLION

Replace the Indiana Ohio Railway bridge over I-75, just south of state Route 562/Norwood Lateral.

Phase 7

COMPLETE  •  $29 MILLION

Widen and resurface Mitchell Avenue and state Route 562/Norwood Lateral, and reconstruct bridge over Vine Street.

Phase 8A

COMPLETE  •  $7.6 MILLION

Replace Seymour Avenue bridge and reconstruct portions of the Paddock Road bridge over I-75 in preparation for mainline improvements.

Phase 9

COMPLETE  •  $1.8 MILLION

Demolish buildings near the Hopple Street interchange in preparation for mainline construction.

View Project's Public Comments ()

Public comments regarding our projects are always welcome!

This section is for frequently asked questions and project-related questions. You may notice that some projects require one or more formal comment period(s) with deadlines for comments to be considered during certain phase(s) of the project development process. Typically called the “public comment period," this is when ODOT asks the public for input before an important decision needs to be made, such as choosing a preferred alternative. You may notice these periods generally occur immediately following a public meeting.

All comments received, regardless of when or how they are submitted, will be reviewed and considered and/or responded to by the ODOT project team. Comments received through this forum will, when appropriate, be publicly posted along with ODOT’s response; Such comments will be moderated to remove personal information prior to posting.

Please let us know if you have questions, and thank you for your interest and input on the project! 

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