Kiewit is set to build expansion of Nebraska clean materials plant, the first non-nuclear power project since 2016 to gain yellow-light commitment under innovative federal clean energy loan program.

In 2020 our Best Projects entrants rebuillt, adapted and reused better.

The cost of achieving LEED Silver existing buildings for a more than 100-year-old structure is considerably more than for new construction.

After sitting vacant for nearly 15 years, the iconic Flashcube building in downtown Kansas City is once again lighting up the neighborhood.<

The 60-year-old bridge spanning the Minnesota River has been replaced with a twin-structure crossing that provides long-needed added traffic capacity while also eliminating flooding issues at the approaches.

Taking 106 bridge piers down to 52 on the Illinois Tollway’s Central Tri-State/I-294 Mile-Long Bridge meant bringing in the largest California wide-flange concrete beams ever used in Illinois.

Despite the need to complete unplanned emergency repairs while working in the Mississippi River during the winter months, the miter gate anchorages project was completed with zero recordable incidents and zero lost-time injuries. 

To help develop and assess new techniques for capturing stormwater runoff before it enters the combined sanitary sewer system, the Kansas City Water Services Dept. piloted a green infrastructure demonstration project that aims to reduce overflows by more than 20%.

Biogas once used to power the recovery facility’s combined heat and power system is now generating revenue for the city, thanks to an $8.6-million heat and electrical generation system upgrade.

These 80-year-old structures are critical components of a system that ensures consistent navigability and access along the Mississippi River from Minnesota to the Gulf Coast.