Umpqua River Bridge, Oregon Coast Highway
Additional Details:
984 Series 6A-H1499 The channel is spanned with a 420-foot steel swing span and four 154-foot concrete through tied arch spans. The north approach, a concrete viaduct, lands on Bolon Island. The south approach is a concrete viaduct of 1,027-foot length. Total length of structure 2,213 feet, nearly one-half mile. Roadway 27 feet wide with two 3 1/2-foot sidewalks |