Engineering vital connections for our communities.
As a multidisciplinary infrastructure practice, we provide innovative solutions to build, preserve, maintain and enhance the world’s bridges. Since our founding, we have planned, designed, inspected, repaired, rehabilitated and constructed well over 1,000 bridges.
We have delivered award-winning designs over road, rail and waterways — from iconic long-span river crossings to unique pedestrian bridges that establish meaningful community connections. We have inspected major structures, led rehabilitation improvement programs, and have delivered cost-effective solutions to help owners extend the life of their infrastructure.
Bridges, Top Design Firms in Transportation
ENR, 2024
Highways, Top Design Firms in Transportation
ENR, 2024
Transportation, Top Design Firms in Transportation
ENR, 2024
bridges inspected, planned, designed, rehabilitated and constructed

As our first major bridge project, this concrete and steel bridge over the Massawippi River, at the south limit of Lennoxville, Quebec, established the foundation for our continuously growing bridge practice.

Spanning 550 feet over the Saint-François River in Sherbrooke, this new bridge stood as one of the longest reinforced concrete bridges in Quebec. Use of this material was an innovation in Canada at the time and a testament to the power of progress through design.

To address significant development within Sherbrooke, Quebec, we proposed a new steel and reinforced concrete structure over the Magog River. The bridge opened in 1954.

Built in 1965 across the St. John River in New Brunswick, the 600m bridge was part of the former Trans-Canada Highway network. Design brought an important regional connector still utilized today. (photo, 2015)

As the only crossing of the St. John River between Woodstock and the Mactaquac Hydro Dam in New Brunswick, this 380m bridge boasts a main span of 217m. The cable-stayed suspension design adds to the beauty of the surrounding landscape. (photo taken after 1967)

Built as part of the Trans-Canada Highway system, this cable-stayed bridge crosses the St. John River at Longs Creek in New Brunswick. Designed as a striking landmark, with a center span of 217m between the two towers, the structure complements the natural beauty of the surrounding landscape. (modern day photo)

Design of this iconic new structure offers spectacular views of Coaticook Gorge and the Coaticook River in Quebec. At the time of construction it was the longest suspended pedestrian bridge in the world. To this day, it is still one of the longest suspended pedestrian bridges in North America. (photo, 2021)

Design of this unique bascule bridge in Sheboygan, Wisconsin, redefined movable bridge design with new innovations. With no counterweight and a very simple and unusual structural framing system, the bridge also featured state-of-the-art, computer-controlled hydraulic bridge drive and control systems.

Design of this five-span highway structure spans between Lemeque and Miscou Islands near Caraquet in New Brunswick. Three main spans are steel plate girders of 110m, 160m and 110m.

Design of this multi-use bridge in Sherbrooke, Quebec, brought one the world’s first uses of reactive powder concrete (RPC), an ultra-high strength concrete. (photo, 2010)

The Old Plank Road Trail (OPRT) Bridge carries a bicycle path and pedestrian walkway along an old, abandoned railway alignment across US Route 45 in Frankfort, Illinois. With a unique and visually striking design, the pedestrian bridge's defining structural feature is an 82-foot tall A-frame pylon with bestriding the highway at right angles.

At over 1,000 meters long, the new 5-lane William R. Bennett Bridge in Kelowna, British Columbia is the centerpiece of a revitalized road network in the Okanagan. EXP provided geotechnical, materials testing and environmental services for this important structure for the region.
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Situated in scenic Door County, the new Maple-Oregon Bascule Bridge provides modern design for this popular travel destination. The new 1,057-foot long bridge features a 310-foot long double-leaf rolling lift bascule span over the Sturgeon Bay ship canal.
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The new 6-lane cable-stayed Golden Ears Bridge spans nearly 1,000 meters over the Fraser River in British Columbia. EXP provided geotechnical, materials testing and environmental services for this important structure for the region.
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Tubular steel frame design for one of only a handful of enclosed pedestrian bridges in Toronto. The bridge spans approximately 20 metres between two buildings, 4 metres in diameter and crosses about 10 metres above the road surface.

Designer of record for the new Juneau Avenue Vertical Lift Bridge and rehabilitation of the Wisconsin Avenue Vertical Lift Bridge in downtown Milwaukee, Wisconsin.

Design of a new 4-span steel girder bridge with composite deck – spanning approximately 230 meters over the Saint John River and connecting the communities of Clair, New Brunswick, and Fort Kent, Maine. The intersection within Fort Kent’s Main Street marks the beginning of the 2,369-mile-long US Route 1, the longest north-south road in the US.

Award-winning design of an iconic new pedestrian crossing of Lake Shore Drive and the Metra railroad tracks, connecting the Bronzeville community with Chicago’s lakefront. At 620 feet in length, it was the City of Chicago’s longest pedestrian bridge at the time of construction, and one of only a few mono-cable suspension bridges in the US.
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As one of the Illinois Department of Transportation’s first tied-arch bridge in decades, the new Illinois 104 river bridge will be the community’s striking monument for the next 100 years. As a vital link in the Village of Meredosia and the region, this new long-span bridge replaces a deficient crossing constructed in 1936. Spanning over 2,125 feet in length, the new river bridge features a signature 590-foot long tied-arch span.
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Site supervision and materials quality control throughout the construction of two structures in Montreal, Quebec – the world’s first two bridges built using concrete containing finely ground recovered glass. Construction of the bridges enabled the equivalent of 70,000 bottles to be recycled, saving 40,000 kg of cement.
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Located just off the north shore of the St. Lawrence River, near the city of Quebec, Île d’Orléans is a 193 km2 island that is home to close to 8,000 people and a major tourist destination in the summer. It is connected to the mainland by a single bridge built in 1935 that does not meet current requirements. The architectural design of this new 2.1 km cable-stayed bridge is reminiscent of the maritime history of Île d’Orléans and is intended to showcase the river and the natural landscape of the site. The definitive pre-project study was completed by Groupement Origine Orléans – a consortium made up of EXP and other engineering firms.
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