Clarkson Construction Company was the contractor for this $64 million design-build project in Kansas City, Missouri. This Project replaced the I-70 bridges over Manchester Trafficway, the Blue River and the adjacent rail yard while maintaining three lanes of traffic both east and westbound on I-70 during peak traffic times. It also closed US-40 for a short duration while replacing the existing bridge over the Blue River on US-40.
Design began in August 2013 and was completed in March 2014. Construction began in February 2014 and was required to be complete by December 15, 2015. Clarkson completed this project November 20, 2015. The project also included new grading and concrete paving at the approaches to the I-70 bridges and the reconfiguration and reconstruction of the ramps at the I-70 and Manchester Road Interchange.
The project included 36,000 square feet of new bridge decks, over 100,000 cubic yards of on-site excavation and borrow from off-site to complete the required project embankments, 22,500 square yards of new concrete pavement on aggregate base and 4,000 square feet of retaining walls. Required Specialty construction items included: ITS, highway lighting, asphalt paving, utility relocations, traffic control, pavement marking, erosion control, seeding & mulching.
All work was required to be performed while maintaining 110,000 vehicles per day through the corridor.