The Prentiss Street Bridge Reconstruction Project includes the replacement of the existing Prentiss Street Bridge. Roadway improvements on Prentiss Street begin approximately 100 feet east of South Linn Street and extend to South Dubuque Street. Improvements on South Linn Street extend 200 feet north of Prentiss Street.  Storm sewer on Prentiss Street is being replaced to increase capacity and reduce surcharging during large rainfall events.  The project also includes improvements to ADA sidewalk ramps, public utilities and water main.

Project Schedule Information: 

Working days: 110
Late start date:  05/25/2020
Liquidated damages:  $1,000

Date plans available: 
Wednesday, March 18, 2020
Obtain from: 

Obtain from: Iowa Department of Transportation -
Bidding instructions can be found at:



Pre-bid Conference: 


Project Status



Portzen Construction

Engineer's Estimate


Bid Deadline

Tuesday, April 21, 2020 - 10:00am

Council Award Date

Tuesday, May 5, 2020