Oregon City Bridge | |
|---|---|
_-_1.jpg) | |
| Coordinates | 45°21′33″N 122°36′35″W / 45.3591°N 122.6097°W |
| Carries |  OR 43 |
| Crosses | Willamette River |
| Locale | Oregon City to West Linn, Oregon, United States |
| Maintained by | Oregon DOT |
| Characteristics | |
| Design | through arch of hollow box girder construction |
| Total length | 745 ft (227 m) |
| Longest span | 360 ft (110 m) |
| History | |
| Opened | December 28, 1922 |
Willamette River Bridge (No. 357) | |
    | |
| Location | Oregon City, Oregon; Willamette River at river mile 26.0 |
| Built | 1922 |
| Architect | Conde B. McCullough |
| NRHP reference No. | 05000639[1] |
| Added to NRHP | July 1, 2005[1] |
| Location | |
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The Oregon City Bridge, also known as the Arch Bridge, is a steel through arch bridge spanning the Willamette River between Oregon City and West Linn, Oregon, United States. Completed in 1922, it is listed on the National Register of Historic Places.[2] It was built and is owned by the Oregon Department of Transportation (ODOT) as part of Oregon Route 43 and is the third-southernmost Willamette bridge in the Portland metropolitan area, after the Boone Bridge in Wilsonville and the Oregon 219 bridge near Newberg.
The bridge is 745 ft (227 m) in length and 28 ft (8½ m) wide with a 360 ft (110 m) long main span that provides 49 ft (15 m) of vertical clearance at low river levels. The narrow width causes problems for large vehicles that cross it, often requiring traffic going in the other direction to stop. TriMet buses ceased using the bridge in 2009.
This bridge is the only Oregon bridge to be encased in gunite, which protects it from corrosive sulfur dioxide emissions from paper mills south of the bridge. The concrete look was favored by bridge designer Conde McCullough, designer of 500 Oregon bridges. His signature detailing is evident in the obelisk pylons with sconced light fixtures, ornate railings, and Art Deco piers.[3]
The Oregon City Bridge is just downstream from the 40 ft (12 m) tall Willamette Falls and the Willamette Falls Locks, the oldest navigational locks in the United States. Downstream from this bridge is the George Abernethy Bridge, which carries Interstate 205.
- ^ a b Cite error: The named reference
nrhp-weeklywas invoked but never defined (see the help page). - ^ James A. McNett (June 4, 2004). "National Register of Historic Places Registration Form: Willamette River (Oregon City) Bridge (No. 357)". National Park Service. Retrieved September 30, 2013.
- ^ Smith, Dwight A.; Norman, James B.; Dykman, Pieter T. (1989). Historic Highway Bridges of Oregon. Oregon Historical Society Press. p. 96. ISBN 0-87595-205-4.