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Broadway Bridge, Spanning Willamette River at Broadway Street, Portland, Multnomah County, OR

description

Summary

Significance: The Broadway Bridge is the first bascule span built in Portland and, at the time constructed, the longest in the United States. Its completion resulted in a dramatic shift in land values and business concentration in Portland. Those consequences profoundly influenced subsequent Willamette River bridge construction decisions. Ralph Modjeski, a premier American bridge engineer, designed the Bridge, incorporating the largest Rall-type bascule ever built, now one of the few surviving Rall mechanisms. Its Lovejoy Ramp, designed by Gustav Lindenthal in 1926-27, was removed during this recording project.

Unprocessed Field note material exists for this structure: FN-9

Unprocessed Field note material exists for this structure: N872

Survey number: HAER OR-22

Building/structure dates: 1912-1913 Initial Construction

Nothing Found.

label_outline

Tags

vehicular bridges bascule bridges multnomah county broadway bridge broadway bridge willamette willamette river broadway street portland multnomah oregon bennett historic american engineering record judith a mcgaw ralph modjeski james norman kristen o connell pennsylvania steel company leslie schwab strobel steel construction union bridge and construction company photo library of congress
date_range

Date

1969 - 1980
person

Contributors

Historic American Engineering Record, creator
Modjeski, Ralph
Strobel Steel Construction
Pennsylvania Steel Company
Union Bridge & Construction Company
Multnomah County
O'Connell, Kristen, transmitter
Bennett, transmitter
McGaw, Judith A, historian
Norman, James, photographer
Schwab, Leslie, photographer
place

Location

multnomah county ,  45.53503, -122.58415
create

Source

Library of Congress
link

Link

http://www.loc.gov/
copyright

Copyright info

No known restrictions on images made by the U.S. Government; images copied from other sources may be restricted. http://www.loc.gov/rr/print/res/114_habs.html

label_outline Explore Strobel Steel Construction, Judith A Mcgaw, Union Bridge And Construction Company

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US Air Force (USAF) Technical Sergeant (TSGT) Mark Carnes, 28th Services Squadron, 28th Bomb Wing, carries the Olympic flame down Broadway Street in Sheridan, Wyoming (WY). SSGT Carnes is one of 11,500 people selected to carry the torch during the 2002 Winter Olympic Torch Relay

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Burlington Northern Railroad Bridge, Spanning Willamette River at River Mile 6.9, Portland, Multnomah County, OR

Topics

vehicular bridges bascule bridges multnomah county broadway bridge broadway bridge willamette willamette river broadway street portland multnomah oregon bennett historic american engineering record judith a mcgaw ralph modjeski james norman kristen o connell pennsylvania steel company leslie schwab strobel steel construction union bridge and construction company photo library of congress