Table 2. Spur jetty installations in United States.
Location
Spur length, m
(1) Spur Distance from Local
Ratio of Spur Distance from
Ratio of Spur
Angle (deg) of
Average Shoreline, m
Average Shoreline to
Length to Spur
Spur Relative to
(2) Length from Jetty Tip
Distance from
Distance to
Jetty
to Local Average
Jetty Tip to
Average
Shoreline, m
Average Shoreline
Shoreline
Siuslaw river,
North jetty spur-
(1) 480
OR
122 or 86 m ⊥ to jetty
(2) 650
0.74
0.18
45
Sourth jetty spur-
(1) 640
122 or 86 m ⊥ to jetty
(2) 800
0.80
0.13
45
Shark river,
North jetty spur-
(1) 120
NJ
50
(2) 160
0.75
0.42
90
Ft. Pierce Inlet,
South jetty spur-
(1) 220
FL
60
(2) 350
0.63
0.27
90
Bakers
North jetty spur-
(1) 60
Haulover Inlet, FL
35
(2) 60
1.00
0.58
90
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