Official name	Fremont Bridge
Carries	Interstate 405
Crosses	Willamette River
Locale	Portland, Oregon
Maintained by	ODOT
ID number	02529
Design	Tied-Arch bridge
Longest span	1,255 ft (382.5 m) - longest in Oregon
Total length	2,154 ft (656.5 m)
Width	?
Vertical clearance	18.3 ft (5.58 m)
Clearance below	175 ft
Opening date	November 11th, 1973
Maps and aerial photos Street map from Google Local or Yahoo! Maps Topographic map from TopoZone Aerial image or topographic map from TerraServer-USA Satellite image from Google Local or Microsoft Virtual Earth

The Fremont Bridge is a steel tied-arch bridge over the Willamette River located in Portland, Oregon. It carries Interstate 405 and U.S. Highway 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, until the completion of the Caiyuanba Bridge, is the longest tied-arch bridge in the world, and the talles building in Oregon. Image File history File links Download high resolution version (900x428, 194 KB)The Fremont Bridge in Portland, Oregon. ... Interstate 405 in Oregon is a short loop route, also known as the Stadium Freeway, that connects downtown Portland west of the Willamette River to Interstate 5. ... The Willamette River (pronounced wil-LAM-met) is a tributary of the Columbia River, approximately 240 mi (386 km) long, in northwestern Oregon in the United States. ... Portland is the largest city in the U.S. state of Oregon, and county seat of Multnomah County. ... The Oregon Department of Transportation (otherwise known as the ODOT) is a department of the Oregon state government responsible for systems of transportation. ... The National Bridge Inventory (NBI) is a database, compiled by the Federal Highway Administration, with information on all bridges and tunnels in the United States that have roads passing above or below. ... In Italy In England An arch bridge is a bridge with abutments at each end shaped as a curved arch. ... 1973 (MCMLXXIII) was a common year starting on Monday. ... In Italy In England An arch bridge is a bridge with abutments at each end shaped as a curved arch. ... The Willamette River (pronounced wil-LAM-met) is a tributary of the Columbia River, approximately 240 mi (386 km) long, in northwestern Oregon in the United States. ... Portland is the largest city in the U.S. state of Oregon, and county seat of Multnomah County. ... Interstate 405 in Oregon is a short loop route, also known as the Stadium Freeway, that connects downtown Portland west of the Willamette River to Interstate 5. ... United States Highway 30 is an east-west United States highway that traverses the United States. ... This article needs to be cleaned up to conform to a higher standard of quality. ... State nickname: Beaver State Other U.S. States Capital Salem Largest city Portland Governor Ted Kulongoski (D) Senators Ron Wyden (D) Gordon Smith (R) Official language(s) None Area 255,026 km² (9th)  - Land 248,849 km²  - Water 6,177 km² (2. ...

Due to the public's dissatisfaction with the appearance of the Marquam Bridge, the Portland Art Commission was invited to participate in the design process of the Fremont. The improvement in visual quality resulted in a bridge that was nearly 6 times as expensive as the purposefully economical Marquam Bridge. The Marquam Bridge is a double deck cantilever bridge that carries Interstate 5 traffic across the Willamette River south of downtown Portland, Oregon. ...

In October of 1971, while still under construction, a crack was found on the west span girder that required a $5.5 million redesign and repair. The main span of the bridge was built in California then assembled at Swan Island and floated in place on a barge. On March 16, 1973 the 6,000 ton steel arch span was lifted 170 ft. using 32 hydraulic jacks. At the time, it was listed in the Guiness Book of World Records as the heaviest lift ever completed. The bridge was open on November 11, 1973 at a final cost of $82 million, most of which was financed by the Federal Highway Administration. 1971 (MCMLXXI) is a common year starting on Friday (click for link to calendar). ... State nickname: The Golden State Other U.S. States Capital Sacramento Largest city Los Angeles Governor Arnold Schwarzenegger (R) Senators Dianne Feinstein (D) Barbara Boxer (D) Official language(s) English Area 410,000 km² (3rd)  - Land 404,298 km²  - Water 20,047 km² (4. ... Self propelled barge carrying bulk crushed stone A barge is a flat-bottomed boat, built mainly for river and canal transport of heavy goods. ... 1973 (MCMLXXIII) was a common year starting on Monday. ... Hydraulics is a branch of science and engineering concerned with the mechanical properties of liquids. ... The Guinness Book of Records (or in recent editions Guinness World Records, and in previous US editions Guinness Book of World Records) is a book published annually, containing an internationally recognized collection of superlatives: both in terms of human achievement and the extrema of the natural world. ... 1973 (MCMLXXIII) was a common year starting on Monday. ... Interstate Highways in the lower 48 A typical rural stretch of Interstate Highway, with two lanes in each direction separated by a large grassy median, and with cross-traffic limited to overpasses and underpasses. ...

The bridge is 2,152 ft. in total length with a main span of 1,255 ft. The top of the arch is 381 ft. tall and the main span has 175 ft. of vertical clearance. It was named for John Charles Fremont, though one of the connecting streets was previously named Fremont Street in honor of the same individual. Designers modeled the bridge after the Port Mann Bridge in Vancouver, British Columbia. The bridge has two decks carrying vehicular traffic, each with four lanes. Westbound (signed as southbond on I-405) traffic is on the upper deck, eastbound (northbound) traffic on the lower deck. John C. Frémont John Charles Frémont (January 21, 1813-July 13, 1890), birth name John Charles Fremon [Harvey, p. ... The Port Mann Bridge is a steel tied arch bridge that spans the Fraser River near Vancouver, British Columbia. ... This article refers to the city in British Columbia, Canada. ...

The Fremont Bridge was also the 26th Peregrine falcon nest site designated in Oregon after the raptor was placed on the U.S. Threatened and Endangered Species list in 1970. Binomial name Falco peregrinus Tunstall, 1771 The Peregrine Falcon or, in North America, Duck Hawk (Falco peregrinus) is a medium-sized falcon about the size of a large crow: 38-53 cm (15 to 21 inches) long. ... The American bison numbered as few as 750 in 1890 due to extreme overhunting. ...

External links

• ODOT: Fremont Bridge
• More photos at portlandbridges.com

Books

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