Table 28
Mispillion River Jetties
Kent and Sussex Counties, Delaware
Philadelphia District
Construction and Rehabilitation History
!
A 560-ft-long jetty was constructed by local interests north of the
1859
entrance. The jetty was installed by placing a row of close-fitting
piling and brush.
1879
The jetty had deteriorated considerably, and the Federal government
made repairs.
A 350-ft-long stone-filled timber crib dike was constructed on the
1896
west side of the new channel.
The jetty was extended shoreward 200 ft at a cost of
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,600.
1897
ft of the 1897 extension at the seaward end
Repairs were made to
1899
at a cost of 6.
The stone-filled timber crib dike had become a channel obstruction
and was removed.
1904
The jetty was extended 805
shoreward by placing stone over
filled pile and timber crib. The extension was 12.0 ft wide with
pile elevations of
ft mlw and stone elevations of
ft mlw.
The gap between the extension and the existing jetty ends was filled
with 313 cu yd of stone.
The jetty was extended 85 ft shoreward at a cost o f 0, using 1904
Repairs were made to 68 ft of the jetty damaged by a storm on Jan-
1908
uary 1 1 , 1908. A jetty was constructed south of the entrance and
parallel to the north jetty. The south jetty was 3,300
long and
was constructed by placing stone over brush-filled pile and timber
crib for 2,200 ft, and over an existing 1,100-ft-long bulkhead. The
wide with pile elevations of
ft mlw and stone
jetty was 6 . 0
ft mlw. The north and south jetties were separ-
elevations of
ated by 210 ft. Costs of repairs and new construction were ,770
and 0,000,respectively. The locations of the jetties are shown
in Figure 34.
at a cost of ,431 using 1904
The south jetty was extended 1,800
1 11
9
construction geometry. Repairs were made to the south jetty by fill-
ing settled sections with 96 cu yd of stone. The cost was ,431
for extension and 4 for repairs.
(Continued)
58
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