, 1873-10-27
BUFFALO'S BRIDGE,
Trains to Pnss Ovor tho Now Structure
Mt an Early Dny---Somo Account OF
tho Enterprise.

Trains to Pass Ovor the Now Structure
mt IN EARLY Dny---Somo Account OF
tho Enterprise.
Ep<c1al Dispatch to The Chicago Tribune.
BUFFALO. N. T., Oct. 26.-The new intcrna-
ttonal railway bridge is so nenr completed that
pedestrians crossed over Saturday. The first
train Of cars will croas on Monday, Nov. 8. No
Inauguration ceremonica have yot boon decided
upon.
Tho auperstructuro Of tie International Bridge
ia OF iron. supported On stone piers, with the
necessary draws Tor the passage Of vessels. The
lengta n Of the main BRIDGE across The river, Is
Most end OF tho bridge oyor DIack Rock
bridge over tic Harbor to i" Niagars s
srest tcsse y Gl7 tsaa;, feo saaw sand is t present
height, but this is to bo fllloii up 80 that tho
track across tho island will bo upon a solid enl-
bankmont. Tho work of filling will not bo done
until tho completion OF tho bridge, however, aa
nc material is to be brought from oansdn.
nine spans aeross tho river proper; three of
these arc 100 feet each in tho cloar then come
three spans, each 240 feet in tho coar; thor, two
deT {esR oRothng ta each Se feet then oae span Of
bridge across Black Rock Harbor. as before
stated. Is BIT feot. and In this will also bo two
openings Of ninety feet each, with pier botweon
Ilo "swlng over tue opening, as well as that
oSor tho oponing Of the river, will bo operuted
by steam: and tho length of time required to open
or shut tho Same Ia glvon at fifty seconds. The
location Of the swing in tho riyer-nearer tho
American than the Canadian Bhore-is In accord
s1 snce viii The decision Of Commission Of United
states .Eing'neera, appointed by tue Government
consisting OF Gen. Warron Col. Merrill, mud
Vol. Aarwood, aud tho selection Of the position
meets the entire approval Of tho CauAdlan par.
ties. Tho iron-Work for tho bridge ia mauucfao-
tnred at FADntxyille, ncar rhilaletphia, and
tho superatructure ia known as tho Pratt truss.
LUG trusaeH consist OF four main 1inea-that from
pier to pier, the lower chord, as it ia called;
h1 that parallel with IT., but Mt considera-
blo Aelghtt above It, and known as tho
ma'n @ enord and counter supports at either
nppor chord aud counters are tubular. mt
togothor tn five pieces, with tlangeB, The lover
chord oons1ata OF rods which iio tic oountors
anu vertica4st and rcBiat tho tendency Of tho up
por ohords to thrust tho countors apart. The
upper chord is thAt OH which tho roadway Ii
auhg. Iransyerso glrdors are stBpopdod llIero-
from. Tho glrdera bolted to tho lower chord
ana connected with the urror by au iron yerti-
ca principal. The 0atfogm load whicl. would
necessarily full on this vertical principaI IL dis
Lrinntou l9ttosly by means Of countor-braces mud
;1 uUus' Mntll u III thlowu finally OIL tho piora.
1aG bridge Inns tho strength Of q tubu!ar one,
without Its 'Yoiyht and other obfootiouu. yerti-
ca anu countor-pioceB from tic sitloy tho tops
u tao Vortloa! principals, united horizontally,
aiIoIhGthencd d!agonally, mud supported by M
Hle tea form tho roof, as.l the roadway cot,sti~
tlltes tho toor. Tho ol,tef-engineor in the coll
struotinn Of tho bridge 10 III, d. p. Hanaford,
o. Montroal and tho TeaiQeut opeiueor iH Mr.,
j. Hobaou, Of Fort Eric.