The one kind of surprise you might want if you were moving more than 500 ft of bridge section would be to have things slip and slide along even more smoothly than expected. That is what happened over Memorial Day weekend in Cleveland as crews moved the Innerbelt Bridge 4 in. to open up an expansion joint. Slide Show Photo: Ruhlin Co. Crews lifted the bolster, which connects the pier to the truss. Using a painstakingly coordinated cast of hydraulic rams and jacks, crews pushed about 10 million lb of bridge section westward. The feat frees up an expansion joint
The market is generally healthy and steadily growing, and margins are up for large specialty contractors. Further, advances in design tools and owner demand for collaboration are giving subcontractors a seat at the table early on in projects.