Table 32
Yaquina Bay
Newport, Oregon
Date(
Construction and Rehabilitation History
The original project was authorized.
1880
1895
The original project was completed, including two high-tide rubble-
mound jetties. The north jetty was 2,300 ft long, the south jetty
ft long, and the ends were separated by 1,000 ft.
was
Restoration and extension of the jetties was authorized.
1919
An extension of the south jetty to 5,800
was completed. An 800-ft
1921
spur dike and 5 groins were added to the channel side of the south
jetty.
An extension of the north jetty to 3,700 ft was completed.
1930
of the north jetty and 2,700
of the south jetty
The outer 2,200
1934
were restored to project heights. The estimated stone required was
47,000 tons of class
and 23,000 tons of class
and
com-
bined for the north jetty, and 62,000 tons of class
and
48,000 tons of class
and
combined for the south jetty. Class
stone averaged tons with a minimum weight of 6 tons; class
stone averaged 2.5 to tons with a minimum weight of 1 ton. Stone
was placed by dumping from a tramway.
A 1,000-ft extension of the north jetty was authorized.
1937
The north jetty was rehabilitated and extended 1,000 ft. The work
required an estimated 180,000 tons of stone and 6,018 cu yd of con-
1940
stone weighed between 6 and
crete for a terminal cap. Class
25 tons and averaged 10 tons, and class
stone weighed between 1
and 6 tons and averaged 2.5 to tons. Stone was placed by dumping
from a tramway.
1948
Two breakwaters were constructed for a small-boat basin at Newport.
The detached breakwater was 2,650 ft long, and the shore wing was
400 ft long. Both jetties were timber, pile, and stone construction
to +14 ft mllw. A cross section of the breakwaters i given in
s
The north jetty was rehabilitated using an estimated 220,000 tons of
1956
stone weighed more than 6 tons and averaged
stone. Class
stone weighed between 1 and 6 tons and averaged
10 tons; class
3 tons. The stone was placed by dumping from a hauling vehicle.
Select class
stone weighing up to 20 tons was used for the
terminus.
(Continued)
139
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