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Prior to the study conducted by the USCG and the NYSDOT, options to ameliorate the issue included a new rail tunnel under the Hudson River, the rehabilitation of the Poughkeepsie Bridge, the use of the North River Tunnels, a cross-harbor rail ferry, the use of low-profile piggyback equipment and the use of the Harlem, New Haven, and Hudson Divisions through the removal of clearance restrictions.
The tunnel is under the jurisdiction of the New York City Department of Transportation. It is designed to carry one lane of northbound car traffic from East 33rd Street to East 40th Street. From 40th Street north, traffic must follow the Park Avenue Viaduct around Grand Central Terminal to 46th Street. The vertical clearance is 8 ft 11 in (2.72 m).
Alexander Hamilton Bridge in May 2024. The total length of the bridge, including approaches, is 2,375 feet (724 m). Its parallel main spans are 555 feet (169 m) long and provide 103 feet (31 m) of vertical clearance over the Harlem River at the center and 366 feet (112 m) of horizontal clearance.
To accommodate the new six-lane span, Nassau County and New York City spent $2.5 million for approach road rights-of-way. The new Atlantic Beach Bridge, designed by Hardesty & Hanover, opened to traffic on May 10, 1952, at a cost of $9.5 million. The new span is 1,173 feet (358 m) long with a 33-foot (10 m) vertical clearance. [2] [7] [8]
Other overpasses were left to be reconstructed to the new minimum vertical clearance at later times. [2] Australia defines minimum vertical clearance based on types of roads. The minimum vertical clearance is 5.4 metres (17 ft 9 in) for main roads and highways, and 4.6 metres (15 ft 1 in) for other local roads with road authority approval.
As of August 6, 2023, $5.60 (Tolls By Mail and non-New York E-ZPass); $2.60 (New York E-ZPass); $4.11 (Mid-Tier NYCSC E-Z Pass) Location The Marine Parkway–Gil Hodges Memorial Bridge (originally and often referred to as the Marine Parkway Bridge ) is a vertical-lift bridge in New York City , New York , that crosses Rockaway Inlet .
NYS DOT has several Traffic Management Centers (TMC) located throughout the 11 regions in New York State. Region 1 (Capital Region): The Region 1 TMC or CRTMC (Capital Region Traffic Management Center) is an attachment of the New York State Police Communications Section also known as SP COMSEC, formally located at the State Police Division Headquarters, building 22 on the W. Averell Harriman ...
The bridge provided 35 ft (11 m) of vertical clearance, a channel width of 131 ft (40 m), and carried two 34-foot (10 m) three-lane roadways in either direction between 6-foot (1.8 m) pedestrian sidewalks. [11] After the bridge's first full year of operation, it had recorded at least 3,100 openings (roughly 8–9 times per day).