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Post-tensioning work on Second Avenue bridge requires closing I-94 for five days in Detroit
September 21, 2022
- Post-tensioning work will require closing both directions of I-94 between I-75 and I-96 for five days.
- The full closure is scheduled to begin at 4 a.m. Thursday, Sept. 29, and reopen by 4 a.m. Tuesday, Oct. 4.
- The closure is needed for worker and public safety to allow inspectors full access to monitor the structure during the post-tensioning process.
DETROIT, Mich. - The Michigan Department of Transportation announced that further steps required in building the new Second Avenue bridge over I-94 in Detroit will start Thursday, Sept. 29. This work will result in closing both directions of I-94 between I-75 and I-96 for five days.
During the closure, eastbound I-94 traffic will be diverted to eastbound I-96, 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.
Beginning at 1 a.m. Thursday, Sept. 29, all entrance ramps to eastbound I-94 will be closed from 30th Street (just west of Warren Avenue) to Chrysler Drive while all entrance ramps to westbound I-94 will be closed from Mt. Elliott Street to Trumbull Avenue. Weather permitting, the I-94 freeway and ramps will reopen by 4 a.m. Tuesday, Oct. 4.
Post-tensioning is required on the new Second Avenue structure to reinforce the cables that support the bridge's driving surface for vehicular traffic, nonmotorized components, and barrier walls. The 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.
The Second Avenue bridge was originally built in 1954 and has never been replaced. Additional information on the Second Avenue bridge can be found here.