Oregon Slough Railroad Bridge, Railway bridge in Portland, United States.
The Oregon Slough Railroad Bridge is a railway bridge crossing North Portland Harbor with a rotating span design that allows two tracks to pass overhead. The structure connects rail corridors and facilitates freight and passenger train movements through the area.
The bridge was designed in 1908 to establish rail connections between Portland and Seattle. It was built as part of early transportation development that linked the region.
The bridge represents early 20th-century industrial development in Portland, demonstrating the influence of rail transportation on regional growth and commerce.
You can see the bridge from viewpoints along the riverbanks where there are straightforward access routes. The best time to visit is during daylight when train movements are clearly visible.
The structure is one of only two active swing bridges in Portland that can open. The span rises approximately twelve times a month to allow river traffic to pass through.
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