The Columbia Slough Bridge is a standard railroad Pratt through truss from the early twentieth century. The bridge is one of seven Ralph Modjeski bridges on or over the "North Bank Road"
Dimensions
Length of largest span: 160.0 ft.
Total length: 305.0 ft.
Also called
North Portland Slough Bridge
Approximate latitude, longitude
+45.60000, -122.71889(decimal degrees) 45°36'00" N, 122°43'08" W (degrees°minutes'seconds")