Dayton, Ohio-based Composite Advantage has supplied FRP composites to replace the existing steel bridge deck grating supporting Ottawa, Canada’s historic Minto Bridges East and Center. Contractors completed the installation of the 130-foot long, 19-foot wide Minto East Bridge deck in December 2015. Prior to delivery, Composite Advantage coated deck panels with Matacryl (aluminum oxide), a wear surface product which provides superior durability and environmental protection.
According to Composite Advantage president Scott Reeve, the company will start fabrication of the Minto Bridge Center deck this spring, and expects to complete installation by summer 2016.
Composite Advantage’s FRP FiberSPAN™ bridge deck system was selected over fiberglass wood decking. Composite Advantage president Scott Reeve said that while their product’s corrosion resistance was a key factor in the city’s decision to select FiberSPAN™, there were plenty of other benefits Ottawa engineers saw in composites. The engineers needed a material that is lightweight and requires low maintenance. The bridges, which were built between 1900 and 1902, also needed to be durable.
“Quick installation was another deciding factor because contractors were under a deadline to get the Minto Bridge East deck installed before winter weather set in,” said Reeve. “Also, our products are integrated with features that make a contractor’s job easier and more cost effective.”
The FiberSPAN bridge deck system was prefabricated with bridge connection points, curb attachments and a shop-applied polymer concrete wear surface. The deck panel thickness varied from 14 inches in the center to an exterior of 12 inches to provide a molded cross-slope for water drainage. Fourteen deck panels were engineered to meet 75 percent of the service load and deflection requirements. The 130-foot by 19-foot bridge deck was supported by floor beams at a spacing of 18.3 feet.