Tuesday, August 6, 2013
Part of a wall on the riverfront washes away and now city crews are trying to keep the sidewalk standing.
The wall is on the river near the Lincoln Street bridge.
City engineers say they noticed the problem Monday. Some material, like sand and dirt that is meant to hold the wall up, washed away. Part of the wall shifted and the sidewalk sunk.
“Unfortunately if it got too bad at some point it could take some of the sidewalk and handrail with it,” City Engineer Gary Janzen said.
To prevent that from happening, city crews are putting rocks underneath the sidewalk. It's only a temporary fix though.
With the water as high as it is, city engineers haven't been able to get underneath the sidewalk to see what exactly caused the material to wash away but they know the rushing river is part of the problem.
"You know the normal flow of the river is 300 cubic feet per second as far as volume is concerned and yesterday the river was flowing at 14,000 cubic feet per second,” Janzen said.
The area is blocked of for now. City engineers are monitoring the situation and waiting until the river water level goes down.