Introductory text.
| Constructed By: | Pennsylvania Steel Company – superstructure; Union Bridge and Construction Company – substructure; Bridge designed by Ralph Modjeski | | --- | --- | | Owned By: | Multnomah County | | Date Opened: | April 22, 1913 Streetcar service over the bridge officially began on September 2, 1913 although a “Seeing Portland” observation car crossed the bridge with paying passengers on board two days earlier. |