5/5 Sujith M. 1 year ago on Google
What
a
Fantastic
Bridge…
The
Duluth
Bridge
is
operated
24
hours
a
day,
with
skilled
people
at
the
helm.
The
bridge
is
raised
and
lowered
for
iron
ore
and
cement
ships,
sailboats,
and
excursion
tour
boats.
In
the
busy
seasons
of
spring
and
summer,
the
bridge
averages
26
lifts
a
day.
Decades
ago,
pedestrians
were
able
to
ride
on
the
bridge
when
it
was
raised.
But,
this
was
outlawed
in
the
early
1980s
after
a
horrible
accident
that
claimed
the
life
of
a
woman
when
she
was
crushed
by
the
steel
bridge.
The
bridge
operation
is
primarily
through
electric
power
derived
from
storage
batteries
that
are
charged
by
generators.
If
power
lines
fail,
the
generators
can
be
operated
by
a
diesel
engine.
There
are
two
450
ton
concrete
block
weights
on
each
end,
lifted
by
electronic
pulleys
to
raise
and
lower
the
bridge.
It
is
an
incredible
feat,
and
a
very
good
reason
in
itself
to
come
to
Duluth
to
watch
the
whole
operating
process.
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