http://www.waiward.com/project/bridges
https://www.stantec.com/en/markets/transportation/bridges
https://www.stantec.com/en/projects/canada-projects/a/anthony-henday-drive-southeast ,
https://www.google.ca/maps/place/Edmonton,+AB/@53.5069857,-113.570762,1100m/data=!3m1!1e3!4m5!3m4!1s0x53a0224580deff23:0x411fa00c4af6155d!8m2!3d53.544389!4d-113.4909267
"Over the last 40 years, population growth meant additional traffic along I-75 in Lee County—one of Florida’s main north-south thoroughfares. To address the traffic increase, the Florida Department of Transportation is widening 33 miles of I-75 from four to eight lanes. The goal? Enhance mobility for people, commerce, and industry."
https://www.stantec.com/en/projects/united-states-projects/i/i-75-caloosahatchee-river-bridge-widening
Early analysis determined that there was some reserve capacity for additional weight on the existing piers and foundations, indicating that pier cap extensions were a feasible approach for supporting a widened bridge deck. A more conventional pier widening scheme would require construction from the foundation level up.
https://www.cisc-icca.ca/projects/whitemud-drive-quesnell-bridge-widening/
