Table 31
Umpqua River
Reedsport, Oregon
Construction and Rehabilitation History
Date(
Local interests constructed the north jetty to 3,390 ft.
1919
The project was adopted for extending the north jetty to 7,500 ft.
1922
The north jetty was extended to 6,495 ft. The project was suspended
due to lack of funds.
1926
The north jetty was extended to 8,000 ft.
1930
The short south jetty was authorized.
1930
The north jetty maintenance work required 35,752 tons of stone.
1931
The south jetty was constructed.
1934
The
extension to the south jetty was authorized.
1935
The south jetty extension was completed, terminating in a monolithic
concrete block 46
long by 30
wide by 16 ft high, flanked by
1938
long by 14
wide by 8 ft high and two
four wing blocks each 18
end blocks each 20 ft long by 14 ft wide by 8 ft high.
The shore end of the south jetty was extended 550 ft to high ground.
1940
The seaward end of the south jetty was beaten down or settled into a
sand base to mlw for about 400 ft.
of the south jetty was beaten down or settled
The seaward 1,000
1941
into the sand base to mlw.
The outer 4,000 ft of the north jetty was rehabilitated with
90,358 tons of stone, and a concrete cap was placed on the outer
1942
3,977 ft of jetty, requiring 28,291 cu yd of concrete. The crest of
the concrete cap was at elevation +14
mllw.
The hydraulic model study at W S recommended construction of a train-
E
ing jetty.
1948
long) was constructed parallel to and
The training jetty (4,240
along the south side of the entrance channel.
1951
(Continued)
136
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