Camp Clarke Bridge Site, Archaeological site in Morrill County, United States.

Camp Clarke Bridge Site is the location of a wooden truss toll bridge built in 1875 on pilings in the soft ground of the North Platte River. Historic photos show a structure described as two thousand feet long with a solid six-to-one truss span. The river no longer flows through the bridge location, having shifted slightly north by 1974.

Henry T. Clarke built this toll bridge in 1875 to provide wagons and stagecoaches a crossing between Fort Sidney and the Dakota gold fields. The structure then supported trade and migration flows through the region for decades.

The bridge location served as a key junction on the Sidney-Black Hills Trail, enabling settlers and goods to move through the frontier during westward expansion. This crossing point connected remote territories with established trade routes.

The site is located at coordinates 41.670164 latitude and -103.168911 longitude in western Nebraska, making it easy to find with a navigation device. As an archaeological area, visitors should treat the ground carefully and respect any visible remains or markers.

On February 12, 1899, Camp Clarke recorded a daily minimum of −47 °F (−44 °C), the lowest temperature ever measured in Nebraska. The reading was taken at the Camp Clarke weather station, named for Henry T. Clarke's bridge and the settlement beside it, not at the bridge itself.