The Mississippi Creole. [volume] (Canton, Miss.) 1841-1851, 1848-12-22
NoreltY in Rridge RuildLng.

1--WE have lately described some Of the won
derful bridges which a recent Y iP into North
Wales had given US opportunity Of inspecting,
incl uding the tubular bridges over the Conway
and the BrittaniaR Railway owe the Meual straits
G have much satisfaction, this week, 10 bring
Ing under the notice Of our readers a work, IN
our immmediote neighborhood, which, though
of ,Giuc smaller dimensions, is a greater GU
l%riosiIy III is way, aud erhaps, qs vast q I'll
Iumph of scientific ingenuity and engineering
skill, las the gigantic structure 10 which w nave
alluded. I'VE rsferEo a wooden bridge which
Linus lust been completed over the RIVER
ITtmt. neat Ingestre, on an accommodatien
road ~ Earl 5albot's leading fre1n lngestfeto
ESbireIepwfch The architect is J.R. kem'ng
tn. auentle from Alabama, inthe United
states 81 "A merica, LET several Of whose M
~yepuons we have before had occasion 10
speak. ~ .gs a.aa
s. This bridge is remarkable for the leng'h
Of its span,7 about $50 feet, and Tor INC
diminutive dimensions Of the timber usea "
its constructions Il will will almost appear
incr.dible to our readers when we state thai
t,esix stringers, or beams, which support the
banks forming the floor Of the bridge are Ou
five inches square at each end, and gradually
E diminisLies in size, until at the centre they arr
only two and onc quarter inches, their leng'i
beng as already intmated, $50 feet IN
!. strinoers are formed Of pieces Of oak timbe
ach about a0or Is feet long, attached toge'h
or by the method technically known as "scarT
!, ng.p = The abutments consist OF oak posts
six inches square, and Is feet long 8 teet \
the ground, and projecting outward at a con
! siderable angle, and firmly clanPed togethe
with iron.
"Mr. Remington's own language shall b
e17Bioyedi n describing the principle on whic
I, tt5 Bridge is built, 'The greal Ptinclpl
sought to be proved in this bridge fsays MI
is tha, a beam Of timber, OF whateV'
.izc or shane, oEIehgih, lying horizontally an
%resting at each eSinemityOu rabutments, rs
%srongs and, wall require asanneh welgh'Fo
he Iopuf it idshreak itps 'tawouid 'aKe
b-ealy,the same piece whsitepulled longltndi
Al, inther direction. Of the hbre' We apr
hand that MI. Remingion's meaning would !
to better understoodif he had said shatthePr e
N. ciple consists in The longitudinal power
timber icing applied in curvilinsar tor
nd b, which evely portion oflthe material
ed brought ot once into play, and supports
equal share Of the strain. Instead ii t sptin
ing from the abutments as on arched, o. re
inS aeon them al hSTizontal bridges, the STR
GERS may be said to hang or Be suspended frc
q piers, thus bringing the principle Of
rnei udinal bearing into action.
"Weunderspnd that many prnciical M
10 whom the principle was explained dOnPl
M he frst instance its applicability to a oriC
az this size, but they are now willing to
init its complete success.-The success, ind
is dononstrpt The bridge il nov ln y
q We have seeassevcral carriages pass over
ose and have ourselves driven acFOssi it. lhsr'
'ets 9yibratory motion when any thing passes
long the bridge but there is scarcely any
ceptibIe detection and We cannot butexpI
our own conviction Of the complete ttiun
Of this novel ana most extraordinary sys
!, OF of bridge building
lcs aThe stringers curve gracefully uPw'
y from each abutment, and then gradually .
in a curyhinear direction dcwhwsfds to
'gn centre If ihe Bsidee shs lowest point w
nee twenty-four inches below the level Oigth
lit: butmeng rte curves near 70 tue abu'm'
AZ dcbigncd more fol beauty than Tor s.ToF
bdfwo understand they are indispensable
q fauity foundations, which istlie case IN
ana pF5sent instance. There isa hahd-rait On {
sids Of the btidge, Sltdched r. che
sH, by relIis work aud as the hand ialsi
,ich considerably strength andis hged " the =
sins ments il the same modeast the stringsrs'
materially 10 The security and solidl'y q