Centennial Bridge over the Mississippi River, IL 92 and RRs Rock Island County, IL Illinois Department of Transportation,

Phase II engineering services  the preparation of bridge repair plans for the rehabilitation of the steel arch structure that carries US 67 (Centennial Bridge) over the Mississippi River, IL 92 and Railroads, between Rock Island, IL – Davenport, IA. The work consisted of structural steel strengthening and repairs, Expansion Joints repair, Aluminum Rail Repair, sidewalk repair, spot painting and substructure repair. Structure Designs, Inc. was responsible for the bridge inspections, which included rating of all components, evaluation of conditions and preparation of inspection reports which included summary prioritizing repairs. The use of ultra-sonic testing equipment to check steel thickness. Structure Designs, Inc. also prepared all the repair plans which include steel plate cut diagrams, splicing and bolting, reinforcing gusset plates, existing bolt extensions, weld details and other connection methods.

— Posted on January 22, 2014 at 5:08 am by matrix3