Completed in 1966 by American Bridge, the Marquam Bridge project consisted of a double-deck steel continuous truss highway bridge, 1,044′ long with a 440′ main span, 57′ wide, and 130′ vertical clearance from the lower deck.
Project Details
- Owner: Oregon Department of Transportation (ODOT)
- Location: Portland, Oregon, United States
- Performed as: American Bridge Company
- Project value: $0.00
- Completion Date: July 1966



