Fremont Bridge (Portland, Oregon)
The Fremont Bridge is a steel tied-arch bridge over the Willamette River located in Portland, Oregon, United States. It carries Interstate 405 and US 30 traffic between downtown and North Portland where it intersects with Interstate 5. It has the longest main span of any bridge in Oregon and is the second longest tied-arch bridge in the world (after Caiyuanba Bridge across the Yangtze River, China). The bridge was designed by Parsons, Brinckerhoff, Quade and Douglas, and built by Murphy Pacific Corporation.
Fremont Bridge | |
|---|---|
| Coordinates | 45.5377083°N 122.6825027°W |
| Carries | Four lanes, two decks I-405 / US 30 |
| Crosses | Willamette River and surface streets |
| Locale | Portland, Oregon |
| Official name | Fremont Bridge |
| Maintained by | Oregon Department of Transportation |
| ID number | 02529 |
| Characteristics | |
| Design | Tied-arch bridge |
| Total length | 2,154 feet (657 m) |
| Height | 381 feet (116 m) |
| Longest span | 1,255 feet (383 m) longest in Oregon |
| Clearance above | 18.3 feet (5.6 m) |
| Clearance below | 175 feet (53 m) |
| History | |
| Opened | November 15, 1973 |
| Location | |
The bridge has two decks carrying vehicular traffic, each with four lanes. The upper deck is signed westbound on US 30 and southbound on I-405. The lower deck is signed eastbound on US 30 and northbound on I-405.
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