 US 97 was created in 1926 and followed the highway, which was relocated in the 1950s due to the construction of the Rocky Reach Dam.A highway on the east side of the river was completed in the 1980s and designated as part of US 97 in 1987, leaving the west side to become an alternate route.US 97A begins north of Wenatchee at a partial cloverleaf interchange with US 2 and US 97 at the west end of the Richard Odabashian Bridge.