Status: Intact but closed to all traffic
Location: 45.335896,-120.063981
Carries Cayuse Canyon Road over Rock Creek
Design: truss/pony/polygonal
Design Details: Polygonal Warren pony truss with a timber deck.
Total Length: 82.0 Feet
Span Length: 82.0 Feet
Overview: Polygonal Warren pony truss bridge over Rock Creek on Cayuse Canyon Road
History: Built 1965
Built: 1965
Location: Gilliam County
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Status: Open to traffic
Location: 45.730556,-120.649722
Carries I-84 over John Day River
Design: truss/deck/warren
Design Details: Warren deck truss
Total Length: 1540.1 Feet
Span Length: 202.1 Feet
Overview: Warren deck truss bridge over John Day River on I-84
History: Built 1963; one span destroyed in 1964 flood; rehabilitated 1965
Built: 1963
Location: Gilliam County
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191575
John Day River Bridge
Photo taken by Michael Goff in December 2010
191576
John Day River Bridge
Photo taken by Michael Goff in December 2010
191577
John Day River Bridge
Photo taken by Michael Goff in December 2010
191578
John Day River Bridge
Deck View
Photo taken by Michael Goff in December 2010
191579
John Day River Bridge
Photo taken by Michael Goff in December 2010
191580
John Day River Bridge
Roadway View
Photo taken by Michael Goff in December 2010
191581
John Day River Bridge
Photo taken by Michael Goff in December 2010
421844
John Day River Bridge
Photo taken by Richard Doody in January 2010
Status: Abandoned
Location: 45.505587,-120.179014
Carries over Rock Creek
Design: truss/pony/pratt-half
Design Details: Pin-connected Pratt Pony Truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Abandoned pratt pony truss bridge over Rock Creek
History: Built ca. 1905
Built: 1905
Location: Gilliam County
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204493
Photo taken by Rebecca Burrow in June 2011
204494
Photo taken by Rebecca Burrow in June 2011
204495
Historic Grist Mill in Olex. Dated to 1885 according to sign.
Photo taken by Rebecca Burrow in June 2011
Status: Replaced by a new bridge
Location: 45.795543,-120.017523
Carries Columbia River Highway over Willow Creek
Design: truss/deck/warren/verticals
Design Details: Warren deck truss with all verticals
Total Length: 0.0 Feet
Span Length: 80.0 Feet
Overview: Lost Warren deck truss with all verticals bridge over Willow Creek on Columbia River Highway
History: Built 1920; replaced 1954
Built: 1920
Location: Gilliam County
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366760
Published prior to 1923
Status: Open to traffic
Location: 45.793489,-120.022369
Carries Uprr over I-84 (Hwy 002) Eb
Design: girder
Design Details: Girder
Total Length: 149.9 Feet
Span Length: 149.9 Feet
Overview: Girder bridge over I-84 (Hwy 002) Eb on Uprr
History: Built 1964
Built: 1964
Location: Gilliam County
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Status: Demolished
Location: 45.720959,-120.204977
Carries US 30 over China creek
Design: beam/stringer/concrete
Design Details: Concrete stringer
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Lost Concrete stringer bridge over China creek on US 30
History: replaced 1963 when town was moved to avoid flood waters of the John Day dam
Built:
Location: Gilliam County
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424404
Status: Open to authorized vehicles only
Location: 45.163758,-120.204730
Carries Trail Fork Road over Thirtymile Creek
Design: beam/tee
Design Details: Concrete tee beam
Total Length: 50.0 Feet
Span Length: 50.0 Feet
Overview: Concrete tee beam bridge over Thirtymile Creek on Trail Fork Road
History: Built 1925
Built: 1925
Location: Gilliam County
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Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S - Dismantled and/or in storage. L - Severe loss of historic integrity due to alteration.
