Front:
227.
NEW MICHIGAN BOULEVARD BRIDGE, CHICAGO.
דדכ םח
325
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Back:
NEW MICHIGAN BLVD. BRIDGE, CHICAGO.
R-50227
This bridge is the only Double-Deck Jack-knife
bridge of its kind in the world. Heavy Traffic is
run on the lower deck and lighter traffic is sent over
the upper deck of the bridge. The bridge has a
clearance of 220 feet. The length of span from
center of supports is 256 feet and from end to end
of the lifting machinery 340 feet. The weight of the
structure is approximately 10,000 tons.
POSTACARD
JAN 2
OM
1921
ILL
I did not
Mr. Srs. Breediger
227 PUBLISHED BY MAX RIGOT SELLING CO., CHICAGO.
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2101 Wooster 2
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