Table
Roosevelt Inlet Jetty
Lewes, Delaware
Philadelphia District
Construction and Rehabilitation History
stone-filled timber crib jetty was constructed on the
10
98
A
west side of the inlet.
Stone replacement repairs were made each of these years. Cause
191
1914
of damage was due to inadequate jetty design; waves easily damaged
the timber cribs. The cribs were also permeable to sand.
1917,
1923
The timber crib jetty was replaced by two steel sheet-pile jetties,
1937
apart, on the east and west sides of the inlet.
constructed 500
long (Figure 3 ) Crest elevations were
6.
Both jetties were 1,700
ft mlw.
mlw, except the shoreward ends which were
The jetties had deteriorated due to corrosion.
1939
1944
The jetties were flanked and rubble was placed along the east bank.
The additional rubble extended the east jetty shoreward 400 ft. The
possibility of the west jetty becoming completely flanked was
determined to be remote; therefore, no rubble was placed on the west
bank. Seaward ends of both jetties were repaired due to
deterioration by corrosion.
The jetties are in poor condition and are ineffective. They are
1985
considered a navigation hazard and are to be removed.
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