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MIAMI (CBSMiami) – A massive construction project involving the redesign of I-395, and involves the roads that feed into downtown Miami and Miami Beach, is about to cause massive headaches for drivers.

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Plans for I-395 involve a Signature Bridge that will be built over Biscayne Boulevard and double-decker span will be built to go over I-95 and the Miami River to the MacArthur Causeway.

The bridge will span 1,025 feet over Northeast 2nd Avenue and Biscayne Boulevard and have six sweeping arches.

Artist rendering of Signature Bridge om I-395. (Source:

The double-decked section will provide drivers with a direct connection to the MacArthur Causeway.

The project will create additional capacity on I-395 with a total of three through lanes in each direction and provide separate connector ramps for traffic to and from I-95.

The existing I-395 eastbound off-ramps at NE 2 Avenue will be moved west to North Miami Avenue, and the westbound on-ramps at NE 1 Avenue will be shifted to the west of North Miami Avenue. NW 2 Avenue will also be reconnected under I-395, providing residents greater access.

The 1.4-mile enhancements on I-395 will stretch from NW 17th Avenue to the MacArthur Causeway.

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Other enhancements in the project include widening the existing eastbound SR 836 ramp to northbound I-95 to reduce congestion.

Also, a new connector ramp from southbound I-95 to westbound SR 836 will be built.

The ambitious $802 million project won’t be completed until Fall 2023 barring any unexpected weather problems or unforeseen delays.

Geological testing and surveying near I-395 is already underway.

In terms of closures, the next 2 weeks will include non-peak hour closures southbound on I-95 between Northwest 29th Street and Northwest 17th Street.

Median work on that same stretch will begin in February.

Beginning in March and April, permanent closures between Northeast 12th Street and Northeast 2nd Avenue.

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Lane closure information can be found on the project’s website by clicking here.