WSP - Complex Bridges / Arch & Cable-Supported

LEWISTON-QUEENSTON INTERNATIONAL BRIDGE

RAINBOW INTERNATIONAL BRIDGE

Client: Niagara Falls Bridge Commission Location: Lewiston, NY, USA/Queenston, Ontario, Canada Core Services: Capital Planning, General Engineering Consulting Services, Annual Condition Inspections • The bridge crosses the Niagara River Gorge approximately 5.5 miles (8.9 km) north of Niagara Falls. It connects Lewiston, NY with Queenston, Ontario. It is considered the 3rd busiest US-Canada border crossing. Originally designed with four travel lanes, the bridge was reconfigured and re-decked in 2005 and now carries five lanes of vehicular traffic. The bridge has a total structure length from abutment to abutment of 1607 ft (490 m). The main arch span is 1,000 feet (305 m) and provides a vertical clearance of approximately 350 ft (107 m). • Under an 8-year General Engineering Services contract (2018-2025), WSP is performing biennial hands-on element level condition inspection of the bridge and annual interim inspections. Other services include annual capital planning support and full level 1 load rating of all spans. Services also include design, construction support and construction inspection for approach span deck system and expansion joints, deck overlay, miscellaneous structural steel repairs, sidewalk repairs, bridge railing repairs and overweight truck crossing analysis for permitting purposes.

Client: Niagara Falls Bridge Commission Location: Niagara Falls, NY, USA/Niagara Falls, Ontario, Canada Core Services: Capital Planning, General Engineering Consulting Services, Annual Condition Inspections • The bridge crosses the Niagara River Gorge immediately downstream of the falls, connecting Niagara Falls, NY with Niagara Falls, Ontario. The main span is a 950 ft (290 m) steel hinge-less spandrel arch. When completed in 1941, it was the longest hinge-less arch span and the fourth longest arch span in the world. • Under an 8-year General Engineering Services contract (2018-2025), WSP is performing biennial hands-on element level condition inspection of the bridge and annual interim inspections. Other services include annual capital planning support and full level 1 load rating of main arch spans and approach spans along with structural roadway deck evaluations. Services also include design, construction support and construction inspection for replacement of all roadway deck contraction/construction joints with Ultra-High Performance Concrete (UHPC) link slabs, miscellaneous structural steel repairs, miscellaneous concrete work related to approach span piers and substructures, sidewalk repairs and bridge railing repairs. • Replacing deck joints with UHPC link slabs won a 2020 award from the American Council of Engineering Companies.

Complex Bridges / Arch and Cable-Supported

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