Radtke Contractors Inc

05/27/2026

Last week our team wrapped up the installation of 171-ft (+/-) of round field stone rip rap on Green Lake!

05/25/2026

05/19/2026

This electric submerging boat lift with a 22,000-pound capacity is ready to be a part of unforgettable days on the water!

05/19/2026

Happy to support such a great cause!

05/12/2026

Radtke Contractors completed some finishing touches on the FRNSA project in Combined Locks yesterday. Not shown is approximately 150 feet of rip rap restoration. Excited for opening day this Saturday, the 16th!

Shoutout to Northern Maintenance Resources LLC for providing all custom fabricated materials to support the project.

Lock owned by the Fox River Navigational System Authority (FRNSA).📍Little Chute, Combined Locks

05/12/2026

Before and after pics of the Bruckner Road over Pine Creek Bridge in Calumet County. Radtke Contractors collaborated with WisDOT, Corre Engineering and the Town of Charlestown to complete this project. It was opened to the public 4/30/26.

05/10/2026

Happy Mother's Day!

04/22/2026

Happy Earth Day! At Radtke Contractors, we’re proud to protect our local shorelines with durable, long‑lasting seawalls and rip rap! A smart way to reduce erosion and keep our waterways healthy for generations.

04/20/2026

Before and after photos of a permanent, pile driven dock with treated wood pilings, and a permanent boat lift with a tri-toon bunk system.

Manufactured locally in-house here at Radtke Contractors.

04/05/2026

Happy Easter!