GREEN BAY, Wis. (AP) -- Work has begun on a temporary steel frame to support Green Bay's sagging Leo Frigo Memorial Bridge.
The work began Monday. The Wisconsin Department of Transportation says much of the early work won't be visible until the support towers start going up, likely sometime early next week.
The bridge has been closed since Sept. 25 when it was found to be sagging about 2 feet. The bridge has sunk another three-quarters of an inch since then.
The state Department of Transportation hired Lunda Construction Co. of Black River Falls to build the stabilization structure at a cost of $1.5 million.
Press-Gazette Media reports the temporary steel frame is intended to prevent further sagging while state and federal investigators work to diagnose and correct the problem.