CETN-III-13
Revised 9/84
WALKWAY CONSTRUCTED ON RUBBLE COASTAL STRUCTURES
PURPOSE:
To describe the use of recreational walkways constructed on coastal
rubble-mound structures and to present a typical design.
GENERAL:
A walkway constructed on jetties, groins, and breakwater structures
provides a low-cost recreational facility for such activities as fishing and
w a l k i n g / s i g h t s e e i n g . Approximately half of all Corps coastal and navigation
structures (including rubble-mound and other types of structures) in the
United States are presently used by the public for fishing and related recrea-
tional activities, according to a study by the U. S. Army Engineer Institute
for Water Resources (1984).
Most of the coastal structures used by the public
have.been modified to provide safer or easier access, but only about 20 per-
cent have walkways.
These walkways may provide some individuals, especially
those without boats, their only opportunity to engage in marine-related
recreation in coastal areas where large amounts of shoreline are privately
owned.
Fishing from rubble-mound structures seems to be the most popular
recreational activity associated with these walkways.
This can be attributed,
in part, to the attraction rubble-mound structures have for many species of
fish since quarrystone provides places for attachment of marine organisms which
are eaten by the larger fish.
Demand for fishing-walkway types of facilities can be expected to
increase in the future since the trend is toward more leisure time.
EXAMPLE:
The recently constructed jetty system at Murrells Inlet, South
Carolina, included jetties on both sides of the inlet and a fishing walkway on
the south jetty. The north jetty is a weir-type structure which is less
U. S. Army Engineer Waterways Experiment Station, Coastal Engineering Research Center
P. 0. Box 631, Vicksburg, Mississippi 39180
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