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Project Title and Location:
TN-87B,
Design and Construction Support Services for Project
TN-87B/TNM-338,
Anchorage
and Tower Protection at the
Throgs
Neck
Bridge
- Phase B
Services:
Biennial
Bridge Inspection
Concrete
sounding
Assisted
in preparation of Inspection Reports
Flag
Reports
Maintenance
and Protection of Traffic
Project
Completed: 2007
Client:
MTA
BRIDGES
AND TUNNELS
4260
Throgs Neck Expressway
Bronx
,
NY
10465-3831
Reference:
Nicolae
Popescu
(718) 904-4348
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The
Throgs
Neck
Bridge
is a heavily traveled, 11,000-foot-long, suspended span bridge, connecting
Bronx and
Queens
. Existing construction varies, and consists of a 1,800 feet main span,
555 feet side spans and approach spans on both sides.
Scope
of the work includes design and Construction Support Services for
Anchorage
and Tower Protection. As a
part of design team we performed inspection of both towers and anchorages
on the Queens and
Bronx
sides. A preliminary
inspection report was prepared reporting the condition of Towers and
Anchorages and their Fender Systems.
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Above water inspection of the existing timber fender systems for
both Towers and Anchorages
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General condition inspection of exterior of the Anchorages and
Tower Interior
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General structural inspection of the interior of Anchorages to
document structural configuration backed up with photographs. The inspection confirmed the interrelationship of different
structural elements including but not limited to cables, columns,
buttresses, beams, etc.
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Inspection of anchorage saddles
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Inspection of the side span and approach span bearings at the
anchorages
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Inspection of the connections between the main towers and the main
and side spans at the deck level. The inspection confirmed the details for all connections
between towers and main/side spans
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Inspection of the
Main
Tower
Cable Saddles
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Inspection of all electrical, drainage, and other utility lines
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