Green Island Bridge, Vertical-lift bridge in Troy, United States
The Green Island Bridge spans across the Hudson River, connecting Green Island with Troy through four traffic lanes and metal-covered frame structures.
Following a railroad bridge collapse in 1977 due to severe flooding, the current Green Island Bridge opened on September 12, 1981, costing 23 million dollars.
The bridge structure appears in local art displays, including a neighborhood mural that portrays the bridge as a mechanical figure named Troybot.
The bridge carries New York Route 915B traffic and features a vertical lift mechanism that elevates to allow river vessels to pass underneath.
This engineering structure stands as the single vertical lift bridge along the Hudson River, incorporating dual metal frames for counterweight mechanisms.
Location: New York
Inception: September 12, 1981
Official opening: September 12, 1981
GPS coordinates: 42.73550,-73.68980
Latest update: September 23, 2025 16:45
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