Winter 2015-16 View of Pier 8, closest to the Minn. shoreline. Photo from Dec. 3, 2016. Looking west toward Pier 11 and the Minn. shoreline. Crews constructed the pier towers at Piers 10 & 11 during winter 2015-16. Photo from Jan. 7, 2016. View of the completed cast-in-place (built on site) westbound Hwy 36 approach span on Minn. land after crews removed the forms and falsework. Photo from Jan. 26, 2016. Final crossbeam truss removal at Pier 10. Photo from late January 2016. View of St. Croix Crossing bridge construction. Crews continuously broke ice on the river from Pier 8 near Minn. out to Pier 11 to continue construction during the winter. Photo from Feb. 6, 2016. View of westbound Pier 10 tower construction. Crews completed the final concrete pour for this tower in late February and completed construction of the final pier tower, the westbound Pier 11 tower, in mid-March. Photo from Feb. 20, 2016. Looking west at St. Croix Crossing bridge construction from the basket of a crane. Photo from Feb. 25, 2016. Looking down at Pier 13 columns construction on the Wisc. bluff from the basket of a crane. Plastic sheeting is used to regulate the temperature of the concrete to allow it to cure properly. Photo from Feb. 25, 2016. View of cast-in-place eastbound Hwy 36 approach span construction. Photo from March 1.