Cedar Rapids Flood Control System – 3rd Avenue SE Floodgate

ABES Engineer October 14, 2020
Construction is tentatively scheduled to begin Monday, September 21, 2020 on the 3rd Avenue SE floodgate.
 
About the Project
The completed floodgate will feature stackable, removable panels that slide into permanent columns on the sidewalk during flood threats. The floodgate will be deployed for a 22’ river elevation, and is designed to protect to the 2008 flood volume. Construction will consist of the installation of the foundation and vertical columns that will hold the removable panels. The project is scheduled for completion summer 2021.
 
Construction Impacts
3rd Avenue SE from 1st Street SE to the Cedar River will be closed to vehicular, cyclist, and pedestrian traffic while construction is underway. Access to the CRST/Bankers Trust driveway on 3rd Avenue SE will remain available via 1st Street SE. Parking on the 3rd Avenue Bridge will remain open and accessible via the west.
 
2020 FLOOD PROJECTS
Lot 44 Levee
  • May 2020 – May 2021
  • Stretches from 9th – 12th Ave
  • Lot 44 parking restrictions in effect (view map)
  • Levee will protect to the 2008 flood volume
Amphitheatre Floodwall
  • May 2020 – May 2021
  • Public restroom
  • Storage for events
16th Avenue SE Floodgate
  • Spring 2020 – fall 2020
  • View bike detour
  • Rolls across road
  • Protects to 2008 flood volume
  • Similar gate planned for west side of the bridge
Quaker Oats Floodwall
  • Construction of the 2,000 foot floodwall and pump station will be completed spring 2021
  • Final phase completing the railroad closure gate at the Cedar River in fall 2021