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Second Avenue bridge move over I-94 in Detroit scheduled for late July
July 07, 2022
Fast facts:
- Moving the new Second Avenue bridge over I-94 in Detroit has been scheduled for late July.
- The bridge move will require closing both directions of I-94 between I-75 and M-10 (Lodge Freeway) for seven days.
- The Second Avenue bridge will be the first network tied arch structure in the state of Michigan.
DETROIT, Mich. - The Michigan Department of Transportation announced that moving the Second Avenue bridge over I-94 in Detroit will occur in late July. Moving the 5-million-pound structure safely will require closing both directions of I-94 between I-75 and M-10 (Lodge Freeway) for seven days.
During the closure, eastbound I-94 traffic will be diverted to southbound M-10, then northbound I-75 back to eastbound I-94. Westbound I-94 traffic will follow southbound I-75, then westbound I-96 back to westbound I-94. All entrance ramps to I-94 will be closed within the full closure limits.
The new Second Avenue structure will be the first network tied arch bridge built in the state of Michigan. Network refers to the cables that are crossed from the top of the arch to the bottom of the driving surface on both sides of the structure. This innovative design eliminates the need for a center pier, which will accommodate the future I-94/M-10 interchange.
Moving the skeleton of the bridge across the freeway will be done using self-propelled modular transporters (SPMTs), which are multi-axled rolling platforms. The skeleton will then be secured onto the new bridge supports on each side of I-94. Afterward, a team of engineers will conduct detailed inspections prior to reopening the freeway.
After the move, a new driving surface will be built on the skeleton of the bridge. Additional short-term closures will be required before opening to traffic.
The Second Avenue bridge was originally built in 1954 and has never been replaced. Once delivery of the SPMTs is confirmed, exact closure dates will be announced.
Follow the I-94 modernization project on the web at https://I94Detroit.org or follow on Facebook at www.facebook.com/I94Detroit or on Twitter at www.twitter.com/I94Detroit.
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