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Wider Ride to the Rainbow

by Andrew C. Coates, Associate; Hardesty & Hanover, NY, NY,
Anne M. Zweibel, Associate; Hardesty & Hanover, NY, NY,


Serial Information: Civil Engineering—ASCE, 1995, Vol. 65, Issue 10, Pg. 50-53


Document Type: Feature article

Abstract:

Engineers on the project to widen the entrance to the Rainbow Bridge between New York and Ontario let the aesthetics of the Niagara Falls setting dictate their design decisions. The challenge was minimizing the visual impact of the construction while meeting safety and serviceability criteria. As part of a 30-year plan to improve traffic flow at the Rainbow Bridge and two other international crossings nearby, the Niagara Falls Bridge Commission NFBC undertook a $5 million improvement plan to widen the Rainbow Bridge approach spans. In January 1993, engineers from Hardesty & Hanover, New York, and Dufferin Construction, Toronto, began construction to widen the 200 ft of concrete approach spans situated over a gorge on the U.S. side of the bridge. Traffic was maintained during construction, and the widened roadway was completed on May 19, 1995. This fall, construction will begin on a $30 million expansion of the U.S. plaza to provide additional U.S. customs and immigration inspection facilities.

Subject Headings: Rainfall | Infrastructure construction | Bridges | Traffic flow | Occupational safety | Construction management | Concrete construction

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