U.S. dam safety frameworks have helped prevent major calamities, but the May collapse of a 95-year-old Michigan structure shows failure risks remain, with multiple causes.
The Illinois Tollway Authority widened the Central Tri-State’s Mile-Long Bridge while also reducing the number of piers beneath it by half, making room for the three waters and two railways underneath.
While some jurisdictions experienced shutdowns, the lack of traffic and students allowed some transportation and higher education projects to actually speed up.
After flooding caused by 2019's Bomb Cyclone, HDR and Eriksen Construction got the Papillion Creek Water Resource Recovery Facility back online in two months.
The largest project in the history of Johnson County, Kan., the $25-million reconstruction of the Tomahawk Creek Wastewater Treatment Facility, remains on schedule despite flooding and COVID-19.