US Army Corps of Engineers
Omaha District

Columbus - Loup River Restoration Information

Background: The Columbus – Loup River Left Bank Levee System was damaged during the 2019 Flood Event, leading to the Project Sponsor submitting a Public Law (PL) 84-99 Rehabilitation Assistance request to the US Army Corps of Engineers – Omaha District.

Current Action: Complete the levee repair construction contract.

Restoration Activities:

 

Full Repair Contract 

Contractor

Midwest Construction from Nebraska City, NE

Contract Amount

$2.2M

Contract Award

September 26, 2019

  Construction Start

October 25, 2019

Estimated Completion

Early January 2020

 

 

 

 

 

 

 

 

Next Step: Repair the system to its authorized level of flood risk management.

Status Updates:

08 November - The contractor mobilized to the site on 25 October and has begun work on repairing the levee.

24 October - The pre-construction team meeting was held on 11 October with notice to proceed issued on the same day. The contractor is scheduled to mobilize to the site to begin repairs on 24 October.

13 October - Pre-construction team meeting is scheduled for tomorrow, at which time it is anticipated notice to proceed with repairs will be issued and the contractor can begin the repair work.

27 September 2019 – The levee repair contract was awarded to Midwest Construction of Nebraska City, NE on 26 September 2019 in the amount of $2,223,000 with a period of performance of 90 calendar days.

13 September 2019 – The bid opening occurred on 12 Sep 2019. The team is now working to review the bids that were received.

04 September 2019 – Correction. The levee repair contract bid opening is scheduled for 11 September 2019 and the contract award is anticipated by the beginning of October.  The team also conducted the pre-bid site visit on 03 September 2019. 

23 August 2019 – A construction contract to repair the Columbus levee system was advertised to pre-qualified contractors on 19 August 2019 with award anticipated around 11 September 2019.

05 August 2019 – Engineering and Design (E&D) work continues for rehabilitating the Columbus levee system. The team is still anticipating to be done with the E&D process by late summer or early fall.

16 July 2019 – An initial site damage assessment and economic analysis has been completed.  From this initial assessment the USACE team has determined that there are damages to the levee system that are eligible for PL 84-99 Rehabilitation Assistance. Engineering and Design (E&D) work is on-going for rehabilitating the Columbus – Loup River Levee System.  The team is anticipating to be done with the E&D process for repairing the initial damage identified by late-summer or early-fall.

NOAA River Level Observations & Forecasts

NOAA Water Gauge Levels

Columbus Levee Imagery

The pre-bid site visit was conducted on Sep. 3, 2019 for the Columbus levee system.
Damage to Columbus-Loup River levee as of May 31, 2019. Backfill for gabion outlet structure has eroded away and rock revetments were lost.
Damage to Columbus-Loup River levee, showing a loss of riprap at the toe of the levee and erosion of the embankment. Photo taken during the initial damage assessment May 31, 2019.

Video Gallery