Duhamel Trestle, Railway bridge spanning Battle River near Camrose, Canada

Duhamel Trestle was a 1,211-metre wooden railway bridge over the Battle River valley, about ten kilometres southwest of Camrose, Alberta. It ran southwest to northeast, following today's Highway 21 and crossing the former townsite of Duhamel, with a slight bend east on the north side. Up to 37 metres high, it was built mainly of fir timber from British Columbia: some six million board feet, a third of it for the pile foundation. Most structural members were 9.7-metre beams, 30 by 30 centimetres, hauled from Camrose by local farmers. At its deepest point the structure was over 24 metres wide, narrowing to three metres at track level.

Construction of the wooden bridge began in September 1909, and tracks were laid by late August 1910. It served a Grand Trunk Pacific branch from Tofield through Camrose to Edmonton. After the GTP was nationalised and taken over by Canadian National in 1923, the branch was rerouted east of Duhamel, and the unused bridge was dismantled in 1924.

The bridge crossed the former townsite of Duhamel, and its construction forced the riverside settlement to move three kilometres south. Farmers from around Camrose were hired to haul the 9.7-metre beams, 30 by 30 centimetres, from town to the site. Today Alberta Highway 21 follows a similar southwest-to-northeast line over the Battle River.

The site is located near Camrose and accessible via local roads, though the terrain can be muddy during wet weather. Visitors interested in railway history should plan to explore the area on foot and bring sturdy footwear to navigate the riverbank location.

About six million board feet of timber went into the structure, roughly 14,000 cubic metres, a third of it for the pile foundation. Most beams measured 9.7 metres by 30 by 30 centimetres, and farmers from around Camrose were hired to haul them to the site. At its deepest point the trestle was over 24 metres wide, narrowing to three metres at track level.