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A swing bridge (or swing span bridge) is a movable bridge that can be rotated horizontally around a vertical axis. It has as its primary structural support a vertical locating pin and support ring, usually at or near to its center of gravity, about which the swing span (turning span) can then pivot horizontally as shown in the animated illustration to the right.
The hydraulic Swing Bridge was designed and paid for by Armstrong, with work beginning in 1873. It was first used for road traffic on 15 June 1876 and opened for river traffic on 17 July 1876. [4] At the time of construction it was the largest swing bridge ever built. The construction cost was £240,000. [5]
The original bridge was replaced in 1888. In 1912, the 212-foot (65 m) swing span was relocated 185 feet (56 m) upstream to create another bridge on a new alignment. [1] The entire line across the rivers and Kearny Point was raised about 30 feet (9.1 m) to avoid conflicts with maritime traffic in the newly developing Port Newark. [4]
The bridge is composed of three spans crossing the Connecticut River between Haddam, Connecticut and East Haddam, Connecticut. [3] The bridge carries Route 82, with an average daily traffic of 11,600. [4] At the time of its construction, it was reputed to be the longest swing bridge of its kind in the world. [5]
The bridge (2003) The bridge consisted of four fixed spans, one swing span and a fifth swing span, and carried a double-track railway. [5] [note 1]Pier foundations for the bridge spans were of 7 ft (2.1 m) base diameter cast iron cylinders, which tapered to 5.5 ft (1.7 m) diameter at the high water level, each column was around 90 ft (27 m) long. [6]
Here’s what to know about the Socastee Swing Bridge. 1. It’s closing in on its 100th birthday. Built in 1935 as a link between Conway and Myrtle Beach over the Intracoastal Waterway, the ...
Pages in category "Swing bridges in the United States" The following 110 pages are in this category, out of 110 total. This list may not reflect recent changes .
Improved play in the second half enabled a winning record and a second-place finish in the NL Central, but the Cubs finished six games out of a wild-card spot and a whopping 10 games behind the ...
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