Engineering

Mission Statement

Thank you for visiting the City of Sun Prairie's Engineering Department webpage. The department provides a wide array of municipal engineering services. The mission of the city Engineering Department is to manage the development and maintenance of the city's infrastructure in a fiscally prudent and professional manner.

The following is a list of some of the services provided by the department:

  • Review and approve various permit applications including Driveway Permits, Street Opening Permits, and Erosion Control / Stormwater Management Permits.
  • Provide engineering oversight for the city's stormwater utility.
  • Develop construction schedules for the city's street, storm sewer, and pedestrian improvement projects.
  • Provide designs and construction management on city funded public improvement projects.

2026 Construction Projects Map:

Regular Engineering Updates:

Emerald Terrace, Coral Drive, and Garnet Drive Reconstruction Project


CONSTRUCTION SCHEDULE: April 2026 through September 2026

UPDATE AS OF 9/3/2026: 

Work completed: Sidewalk, curb and gutter, water main, sanitary sewer, storm sewer, pavement

Work in progress: Restoration of disturbed areas, concrete speed hump work

PLANS: 2026 Emerald, Coral, Garnet Recon Plans

PROJECT CONTACT: Clint Christenson, P.E. 608-825-1170

Montana Avenue and Walmar Drive Reconstruction Project


CONSTRUCTION SCHEDULE: June 2026 through October 2026

UPDATE AS OF 9/3/2026: 

Construction complete on City's portion of project. WE Energies gas main replacement will be ongoing. 

PLANS: 2026 Montana Walmar Plans

PROJECT CONTACT: Michael Campos, P.E. 608-825-0867


Bird Street-Windsor Street and Main Street-Church Street Intersection Improvement Project


CONSTRUCTION SCHEDULE: April 2026 through September 2026

Update as of 9/3/2026:  

Work completed: Contractor has poured concrete on all quadrants including sidewalk, curb ramps, curb and gutter, and islands for the Bird-Windsor Intersection. 

Work in progress: pole installation and pavement markings at Bird-Windsor intersection. Main-Church intersection to begin. 

Plans: 2026 Bird-Windsor and Main-Church Signals Project

PROJECT CONTACT: Michael Campos, P.E. 608-825-0867


WISDOT Bird/Linnerud, Bird/Main, and Walker/Main Highway Safety Improvement Project (HSIP)


CONSTRUCTION SCHEDULE: June 15 2026 through mid September 2026

Update as of 9/3/2026:  

Work completed: Bird-Linnerud raised concrete intersection has been poured and open. Main/Bird and Main/Linnerud Bird Linnerud curb ramps and curb and gutter have been poured.

Work in progress: Pavement on Main/Walker still to be placed. Pavement marking, signal programming and restoration.

PLANS: WISDOT Bird/Linnerud, Bird/Main, and Walker/Main HSIP Plans

PROJECT CONTACT: Michael Campos, P.E. 608-825-0867


HWY 19/ Westmount Roundabout (WISDOT Project)

LIMITS: Highway 19 and Westmount Intersection. 

UPDATE AS OF 8/24/2026: 

Construction Activities This Week:

  • Crews will continue placing concrete pavement within the center circle of the roundabout and along Westmount Dr. 
  • Curb & Gutter and sidewalk will be placed along the westbound lanes of STH 19 and on Westmount Dr.

 Traffic:

  • Mainline traffic is currently on the eastbound lane of STH 19 and the temporary pavement.
  • The South leg of Westmount Dr is currently right in, right out turns only, with left turns and thru movements prohibited.
  • The North leg of Westmount Dr is closed to traffic.

 Construction Activities for the Week of August 31st:

  • Crews will finish any remaining concrete work along westbound STH 19 and the north side of Westmount Dr.
  • Restoration of topsoil along the north side of STH 19 and along Westmount Dr.
  • Temporary and permanent lighting work will begin.
  • Asphalt paving along Westmount Dr - North leg.

PLANS/SCHEDULE/PROJECT CONTACT, CLICK LINK BELOW: 

https://projects.511wi.gov/wis19-westmountintersection/

Main Street Reconstruction

Update as of 9/3/26:

Work completed: Pavement and sidewalk on the south side of the street. 

Work in progress: Pavers, alleyway and King Street on the south side, work beginning on the north side the week of September 14. Traffic will remain westbound only but will be moved to the south side of the street.