The underpass along the St. Marys Pathway will be closed until the Martin Luther King Jr. Memorial Bridge work is completed.
The city of Fort Wayne said Friday that the Clinton Street is expected to be finished by the end of 2011.
The city is setting up a detour of the trail using the south side of the river through Headwaters Park, making connections to the St. Marys Pathway at the Historic Wells Street Bridge and at the Spy Run Avenue Bridge.