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Bridge at Mouth of Rogue River, Spanning Rogue River on Oregon Coast Highway, Gold Beach, Curry County, OR

Bridge at Mouth of Rogue River, Spanning Rogue River on Oregon Coast Highway, Gold Beach, Curry County, OR

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description

Summary

Significance: The bridge is the first reinforced-concrete arch span built in the U.S. using the Freyssinet method of arch decentering. In this technique, arch ribs are pre-stressed by hydraulic jacks placed at their crowns to compensate the deformation due to shrinkage of concrete, differential temperature changes, movement of supports, and elastic and plastic shortening. The result is that , in theory, supports, and elastic and plastic shortening...
Unprocessed Field note material exists for this structure: FN-22
Survey number: HAER OR-38
Building/structure dates: 2003 Subsequent Work

person

Contributors

Historic American Engineering Record, creator
Bennett, transmitter
Young, Kelly E, transmitter
Schwab, Leslie, photographer
place

Location

create

Source

Library of Congress
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

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