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Roads and Construction Projects

Posted on: September 22, 2021

Roadway Improvements for Upcoming U.S. 1 Bridge Replacement Project

Nighttime lane closures begin Saturday, September 25

FDOT Southeast Florida to Begin Roadway Improvements for the Upcoming U.S. 1 Bridge Replacement Project.

Residents can expect nighttime lane closures from 9:30 pm to 6:30 am Sunday through Saturday on U.S. 1, Indiantown Road, Alternate A1A, Old Dixie Highway and South Beach Road starting Saturday, September 25. These closures are to allow for roadway improvements including adding turn lanes, shifting intersections, adding a traffic signal, lengthening a turn lane, adding traffic monitoring devices and minor bridge repairs to the Alternate A1A bridge. During this first phase of work, FDOT Southeast Florida is also installing the foundations for the replacement bridge. Residents near the bridge should anticipate heightened noise levels during pile drive activities, which will occur during daytime hours

These improvements are designed to keep traffic flowing and lessen impacts to the traveling public when the U.S. 1 Bridge is closed and traffic is detoured to Alternate A1A. The bridge will close for approximately 20 months beginning in spring 2023.

Additional details on the intersection improvements, including maps of the work, can be found on FDOT's project website. Click on the 'Traffic Management and Intersection Improvements' menu item. 

For more information about the project, please contact Angel Gardner at 561-886-8773 or

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