Bridger is an unincorporated community and census-designated place (CDP) in Ziebach County, South Dakota, United States, within the Cheyenne River Indian Reservation.

[2] It is in the southwest corner of the county, 1 mile (1.6 km) north of the Cheyenne River, which forms the border with Haakon County to the south.

Bridger is also 1 mile (1.6 km) east of South Dakota Highway 34, which leads 87 miles (140 km) west to Sturgis and east 86 miles (138 km) to Pierre.

The CDP is served by Dupree School District 64-2.

This South Dakota state location article is a stub.