Bridges - triborough Bridge.

(1)
Triboro Bridge, west from foreground at about 24th Street, showing at the left Hoyt Avenue South viewed west. In the center is the site upon which the arches for the support of the Approash to the bridge
are to be constructed.
September 20, 1934.
P. L. Sperr.
(2)
The same, further west, showing at the right 21st Street, viewed north to the Hell Gate Bridge Approach. Also shown is the north
side of Hoyt Avenue North beyond the Triboro arches.
June 12, 1935.
P. L. Sperr.
(3) The same, a northwest view, showing also in the background the
Hell Gate Bridge.
June 12, 1935.
P. L. Sperr.
(3 views, not dry mount items.)