Third Street Bridge Replacement Project

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The Montgomery County Engineer’s Office is replacing the Third Street Bridge over the Great Miami River in Downtown Dayton.  This improvement is scheduled to be completed in October 2021.  Please see the latest project update for details on current construction activities. For information regarding detours, project schedule, the appearance of the proposed structure, and resources for adjacent businesses, download the THIRD STREET BRIDGE presentation.

Should you have questions regarding the project, please contact Joseph Dura of the Montgomery County Engineer’s Office at (937) 225-5507 or .

3rd Street - Sept Update
September 2019 Update

3rd Street - Presentation  
Powerpoint Presentation

Dec 2019 UpdateDecember 2019 Update

June 2020 UpdateJune 2020 Update