The Hawk-eye and Iowa patriot. (Burlington, Iowa) 1839-1843, 1840-10-29
nd "a N7,R. al,TORSl

"
~EAJrD ,r,nosals {post paid if sent by
Mats. will lie received by the UndcrslgnGi
=, ~. po.ts Office in Burlington. dantlI tho
Sath (,ctaher proximo, to construct the lollo's-
~, ,',S,Es an tho Mail Road from st Francis
via ~ .ome point on the Mississippi river,
between Du Buque and Prairie Du Chen
viz: g-lls ss y 4 a $50 -.
bridge over Sugar Creek between 81 Fran !;
e;syille and sBIontrose a bridge over Des''
Creek between Montrose and Fort Madison
bridge over Lost Greek between Fort Madi'
son and Augusta: and bridges over Long,
Brush and Spring creeks between, Augusta and
Burlington also - bri6gc.i over Flint river,
four miles from Burlington. III sfsltt
The bridge over Sugar creek will rest. ON
two abutmcnts Of firmly united timbers, NIL
cd in with stone closely packed, deeply en-;
beddcd in the banks on either side. and one
triangular pier, filed in the same manner with
the abutments ; the bridge must be raised
two feet above the highest known treshetsi
its length will be about 70 feet y ,ts
The bridge over Dcvif creek, will rest ON
two abutfnents of stone placed on a firm
foundation on the line Of high water rnars'
and one triangu lar pier, consisting OF q crib
work Of tirnbers, securely united and hlled IN
with stone firmly packed, the upstream edge
of which must be covered with sheet iron !;
an ice breaker will also he required opposite
the pier. me .StTuCtuEtae U1itSt Uc IdlScu tWO
feet above tho highest freshet known. The
site chosen for this bridge is nearly opposite
to the South East corner of Henry W. HaTri.
sons field, and about 900 yards above the
ford. AS it is designed to change the loca-
ton Of the road, SO that the approachl to
the bridge may be rendered more easy, pro-
sposals Tor clearing away the timber 80 feet
wide, will be Included in those made for the
bridget ssa 20 sEss@9 .8ftss$
Tie bridge over Lost creek Of ono span 50
or 60 feet long, must be made iniall respects
like that over Sugar creek described above /;
and those over Long, Brush and Spring creeks,
Of one span. varying from 81 TO 50 feet in
length, will be constructed in the same man
neE with these just enumerated. 81 sE.z5
The bridge over Flint river will rest on
two ,abutinents of stone, and one stone pier
securely and strongly put together; the, foun.
siation for the abutmcnts must be dug out I'M
tina firm surface is rca chcd; the facing stone
Of the labutmcnts must reach at least two
feet into the wall and be laid with firm bear.
ings; q strong and substantial icc-hreaker Will
also be required and the posts of the tressle
frame must be united with the string pieces
by strong bands Of iron. This bridge must
be raised ut least two feet above the highest
wafer mark known ); the site chosen for. itsi.
about $50 yards above the customary crossing
place. 'sifastrs e 3ss s:fi ~ 8s
Proposals must be made separately Cor eact
Of the bridges IA IL telg n SIS 1857 4
lAs no bonds will be required for the faith
ful performance Of contracts, a deduction o
20 per cent. will be retained until the wori
is finished ind accepted by the Engineer II
charge. w. BURIilNGs GuION,
si~a 44 Capt Typographical Engineers s
Sept s4-4t ea j. Is +
Gazette will please copy