Table 57
Greilickville (formerly Traverse City) Harbor Breakwaters
Traverse City, Michigan
Date
Construction and Rehabilitation History
Construction of a 1,217-ft-long steel sheet-pile breakwater
1950
was completed. The crest el of
the structure was
ft lwd.
A 35.8-ft-diameter steel sheet-pile cell was constructed at the head
1951
of the breakwater (Figures 160 and 161, Section B- ).
B
The cell was
ft lwd.
stone filled and capped with concrete at an el of
Construction of east and west rubble-mound breakwaters (Figure 160)
1966
was completed. Steel sheet-pile cells were installed on the channel
diameter and had a crest el of
(Figure 1 1 . They were
ft
stone filled and capped with concrete. The east and west breakwaters
and crest widths of 8 ft. Cover stone
had crest els of
ft
side slopes
ranged from 1 to 2 tons, and the breakwaters had
Stone was placed into a washed out area of the east end of the east
1976
breakwater (Figure 1 0 .
Stone was placed along both sides of the steel sheet-pile breakwater
1979
ture stability.
A site inspection of the breakwaters indicated that the rubble-mound
1985
east and west breakwaters were deteriorating slightly, with stones
cracking and breaking into smaller pieces as a result of the low-
grade limestone used in initial construction. Rehabilitation with
sounder and slightly larger cover stones has been recommended. The
breakwaters, however, were considered to be in good stable condition.
An aerial photo of Greilickville Harbor breakwaters is shown in
Figure 162.
Traverse City Harbor was renamed "Greilickville Harbor," on
1986
17 October 1986, in the 99th Congress, 2nd Session, Title XIII,
Section 1304.
253
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