The Abernethy Bridge is a steel plate and box girder bridge that spans the Willamette River between Oregon City and West Linn, Oregon. It is also known as the Oregon City Freeway Bridge and the I-205 Bridge. Download high resolution version (1000x377, 143 KB)The Abernethy Bridge in Oregon City, Oregon viewed from the south. ... The Golden Gate Bridge connecting San Francisco and its peninsula to Marin County A bridge is a structure built to span a gorge, valley, road, railroad track, river, body of water, or any other physical obstacle. ... The Willamette River (pronounced wil-LAM-met) is a tributary of the Columbia, approximately 240 mi (386 km) long, in northwestern Oregon in the United States. ... Municipal Elevator in Oregon City Oregon City is the first city in the United States incorporated west of the Rockies. ... West Linn is a city located in Clackamas County, Oregon. ... Interstate 205, also known as the War Veterans Memorial Freeway in Washington and Oregon, is a loop route that serves the Portland, Oregon-Vancouver, Washington metropolitan area. ...

The bridge was open on May 3, 1970 at a cost of $15.9 million. An $8 million seismic retrofit began in 1999 and was completed in 2002. 1970 was a common year starting on Thursday. ... Contributions of photographs are needed, yes!!!! Give us photographs!!!!! Seismic and seismic event refer to earthquakes, motions of the ground that can be hazardous to the occupants of buildings and the security and utility of structures such as bridges and tunnels. ... 1999 is a common year starting on Friday of the Common Era, and was designated the International Year of Older Persons by the United Nations. ... 2002 is a common year starting on Tuesday of the Gregorian calendar. ...

The bridge structure contains 15 spans and 60 girders. The total length is 2,727 ft (831 m) and the vertical clearance at low river levels is 85 ft (26 m). The longest span is 430 ft (131m) and is sandwiched by two 300 ft (91 m) spans. It was named for George Abernethy who was the provisional governor of the Oregon Territory and later an Oregon City businessman. In 2000 the average traffic was 98,100 vehicles per day. George Abernethy (1807 - 1877) was a U.S. businessman. ... The Oregon Territory is the name applied both to the unorganized Oregon Country claimed by both the United States and Britain, as well as to the organized U.S. territory formed from it that existed between 1848 and 1859. ... This article is about the year 2000. ...

External links

• Portlandbridges.com photos

Books

Wood, Sharon. The Portland Bridge Book. Portland: Oregon Historical Society, 2001. ISBN 0-87595-211-9.