Vermilion Harbor Structures
Construction and Rehabilitation History
Construction of parallel piers at the mouth of the Vermilion River
was completed, The piers extended to the -10 ft
contour and had
ft lwd. They were stone-filled timber crib
crest els of about
structures, and were 16 ft in width.
west piers were extended to the -12 ft lwd contour. No
other laksward extensions have been made. The east pier is 458.5 ft
A heavy stone superstructure was installed on both piers (Figure 215)
The crest width was 10 ft.
to els ranging from
of 450 ft of the west pier and 230 ft of the east pier
was completed (Figures 214 and 215). The crest els of these portions
ft lwd, and riprap was installed on the lakesides
were raised to
of the structures.
Construction of an 864-ft-long detached breakwater (Figure 214) was
completed. The breakwater was a cellular steel sheet-pile structure
with 35-ft diameter cells. The cells were granular filled and capped
with concrete at an el of
breakwater was model tested (Brasfield 1970) prior to construction.
The structures presently are considered in good condition. A n aerial
Vermilion Harbor structures is shown in Figure 216.