Table 9
Ashland Harbor Breakwater
Ashland, Wisconsin
Date( s )
Construction and Rehabilitation History
1889-
Construction of a 7,363-ft-long timber crib breakwater progressed at
1894
during this time. The struc-
the site (Figures 21 and 22, Section
ture was filled with timber slabs and capped with stone, It had a
crest width ranging from 20 to 28 ft and was installed at el
ft
.
1908-
Stone reinforcement was installed on both sides of the structure
1910
on a slope of
(Figure 22, Section
A timber crib pierhead was constructed. The structure was stone and
1911
timber filled, 32 ft wide, and 48 ft long. Riprap toe protection was
included (Figures 21 and 22, Section A.
)
A 589-ft-long rubble-mound breakwater was built during this period.
1912-
1913
The structure connected the pierhead to the original breakwater (Fig-
It had a
ure 21, Section B.
)
ft
crest el with a 10-ft-width
)
A concrete and stone cap (superstructure) was installed on the pier-
1913-
1914
head.
The el of the structure was now
ft lwd.
Only routine maintenance has been performed, and the structure pres-
1986
ently is in fair condition.
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