Henry R. Angwin

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Henry Raymond Angwin(1889-1969) was the Senior Bridge Engineer in the San Francisco office for the U.S. Bureau of Public Roads from the mid 1920's through the 1950's.

Armstrong Bridge (Clackamas County, Oregon)
Senior Bridge Engineer, 1954
Parker through truss bridge over Clackamas River on OR 224
Open to traffic

Arnold Creek Bridge (Lincoln County, Oregon)
Bridge Engineer, 1932
Concrete tee beam bridge over Arnold Creek on OR-34
Open to traffic

Barnard Bridge (Lane County, Oregon)
BPR Bridge Engineer, 1923
Parker through truss bridge over Willamette River on OR 58 Frontage Road in Westfir
Open to traffic

Bybee Creek Bridge (Jackson County, Oregon)
BPR Bridge Engineer, 1932
Concrete stringer bridge over Bybee Creek on OR 230
Open to traffic

Carter Bridge (Clackamas County, Oregon)
Senior Bridge Engineer, 1954
Parker through truss bridge over Clackamas River on OR 224
Open to traffic

Castle Creek Bridge (Jackson County, Oregon)
BPR Bridge Engineer, 1932
Concrete stringer bridge over Castle Creek on OR 230
Open to traffic

Cripple Creek Bridge (Clackamas County, Oregon)
Principal Highway Bridge Engineer, 1952
Parker through truss bridge over Clackamas River on OR 224
Open to traffic

Diamond Creek Bridge (Douglas County, Oregon)
BPR Bridge Engineer, 1935
Lost Warren deck truss bridge over Diamond Creek on Tiller Trail
Replaced by a steel plate girder bridge in 2009

East Fork Hood River Bridge (Hood River County, Oregon)
BPR Bridge Engineer, 1928
Concrete arch bridge over East Fork Hood River on Old Mt. Hood Highway Alignment
Open to traffic

Elk Creek Bridge (Douglas County, Oregon)
Engineer, 1935
Steel stringer bridge over Elk Creek on Tiller - Trail Highway
Open to traffic

Lint Creek Bridge (Lincoln County, Oregon)
Bridge Engineer, 1931
Stringer bridge over Lint Creek on OR-34
Open to traffic

Lobster Creek Road Bridge (Curry County, Oregon)
Senior Bridge Engineer, 1959
Parker through truss bridge over Rogue River on Lobster Creek Road
Open to traffic

Muir Creek Bridge (Douglas County, Oregon)
BPR Bridge Engineer, 1933
Concrete stringer bridge over Muir Creek on OR 230
Open to traffic

Rogue River Bridge (Jackson County, Oregon)
BPR Bridge Engineer, 1933
Concrete stringer bridge over Rogue River on OR 230
Open to traffic

Salmon River Bridge (Lincoln County, Oregon)
BPR Bridge Engineer, 1930
Concrete arch bridge over Salmon River on OR 18
Open to traffic

Schooner Creek Bridge (Lincoln County, Oregon)
Built 1945
Concrete stringer bridge over Schooner Creek on US 101
Open to traffic

Southworth Creek Bridge (Lincoln County, Oregon)
Bridge Engineer, 1932
Concrete tee beam bridge over Southworth Creek on OR-34
Open to traffic

Whitewater Bridge (Clackamas County, Oregon)
Principal Highway Bridge Engineer, 1948
Parker through truss bridge over Clackamas River on OR 224
Open to traffic

Whitewater Creek Bridge (Marion County, Oregon)
BPR Bridge Engineer, 1932
Steel stringer bridge over Whitewater Creek on OR 22
Replaced by a pre-cast concrete girder bridge in 2003