 Other than replacing older guide signs which previously referenced the official northbound and southbound designations of the freeway, Caltrans made no other changes to mainline or street signing, and as such, pull-through signs, overhead signs, and freeway entrance signs all still reference north and south instead of east and west.US 101 enters Oregon south of Brookings, and is seldom out of sight of the Pacific Ocean except the northern end near Astoria and from Port Orford to Florence other than a viewpoint south of Winchester Bay; with another major exception being a significant inland stretch south of Tillamook, Oregon.It crosses the Chetco River at Brookings, the Rogue River in Gold Beach, the Coquille River just north of Bandon, Coos Bay at North Bend via the McCullough Bridge, named after the engineer who designed a series of bridges built on the Oregon Coast in the 1930s, the Umpqua at Reedsport, the Siuslaw in Florence, Yaquina Bay at Newport, and Youngs Bay and the Columbia River at Astoria.