odar os a
(1)
over the site of the entire bridge.
280
No. 33-a. This is a 15-ft. skew arch bridge over a public road.
The concrete foundations were completed for one abutment and
were in progress for the other at the time of our inspection.
From the results of a couple of prickings with an iron bar
taken in our presence and in view of the height of the bridge,
we are not satisfied that the foundations are being carried
sufficiently deep. We recommend that work be suspended and that
the
Λ
a trial pit be sunk between abutments to ascertain definitely
the nature of the underlying formation.
The following bridges are all completed except that
the girders are generally not in position. "The embankment has
been formed to its finished beight throughout:-
No. 34. This is a 5-ft. culvert. The drawing shows it to be
on a good foundation.
No. 35. This is a small girder bridge,12 feet span, founded
on china fir piles, about 8 feet long. This should prove a
satisfactory structure,
No. 36. This is a 20-ft. girder bridge, single span. The draw**
-ing shows it to be rounded on hard clay,
hich should prove
satisfactory.
No. 37. This is a sall girder bridge, 8-ft. span, on China
fir piled foundations.
No. 38. This is a 2-span girder bridge, 20-ft. spans. The
nature of the foundations, as stated on the drawing, can scarce-
-ly be regarded as satisfactory and we recommend that a boring
be taken.
No. 30.
This is a 5-ft. culvert. It calls for nemarks.
No. 40. This is a double 5-ft. culvert and, according to the
drawing, is on a good foundation.
No. 41. This is a 3-span girder bridge, 20-ft. spans. From the description of the material on which the bridge is founded, stated on the drawing, we recommend that a boring be taken.
15-ft. span. No. 42. This is a single-span, girder hridge
ho