The Manhattan Bridge is a suspension bridge that crosses the East River in New York City, connecting Lower Manhattan with Brooklyn. The bridge was opened on December 31, 1909 and was designed and built by Polish bridge engineer Ralph Modjeski with the deflection cables designed by Leon Moisseiff, who later designed the infamous Tacoma Narrows Bridge in 1940. It has 4 vehicle lanes on the upper level (split between two roadways), and 3 vehicle lanes, 4 subway tracks, a walkway and a bikeway on the lower level. The upper level has 2 lanes in each direction, and the lower level can be one-way in peak direction or have 2 lanes in one direction and the other in the opposite direction. It once carried New York State Route 27 and later was planned to carry Interstate 478. No tolls are charged for motor vehicles to use Manhattan Bridge.
A new pedestrian walkway opened on the south side of the bridge in June 2001. It was also used by bicycles until late summer 2004, when a dedicated bicycle path was opened on the north side of the bridge.
* Span 1,470 ft (448 m)
* anchorage-anchorage length 2,920 ft (890 m)
* total length 6,855 ft (2,089 m)
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