The St. Johns Bridge is a steel suspension bridge that spans the Willamette River in Portland, Oregon, USA, between the St. Johns neighborhood and the northwest industrial area around Linnton. It carries U.S. Route 30 Bypass. It is the only suspension bridge in the Willamette Valley and one of three public highway suspension bridges in Oregon. It is also the farthest north of any bridge on the Willamette.
The bridge has two 408 ft (124 m) tall Gothic towers, a 1,207 ft (368 m) center span and a total length of 2,067 ft (630 m). The adjacent park and neighborhood of Cathedral Park, Portland, Oregon are named after the Gothic Cathedral-like appearance of the bridge towers. It is the tallest bridge in Portland, with 400 ft (122 m) tall towers and a 205 ft (62 m) navigational clearance... Source