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Discontinuity (Appleton, Wisconsin)

Discontinuity (Appleton, Wisconsin)

A trestle (sometimes tressel) is a rigid frame used as a support, historically a tripod used both as stools and to support tables at banquets. A trestle bridge is a bridge composed of a number of short spans supported by such frames. Each supporting frame is a bent. Timber and iron trestles (i.e. bridges) were extensively used in the 19th century, the former making up from 1 to 3 per cent of the total length of the average railroad. In the 21st century, steel and sometimes concrete trestles are commonly used to bridge particularly deep valleys while timber trestles remain common in certain areas. Many timber trestles were built in the 19th and early 20th centuries with the expectation that they would be temporary. Timber trestles were used to get the railroad to its destination. Once the railroad was running, it was used to transport the material to replace trestles with more permanent works, transporting and dumping fill around some trestles and transporting stone or steel to replace others with more permanent bridges. In the later 20th century, tools such as the earthmover made it cheaper to construct a high fill directly instead of first constructing a trestle from which to dump the fill. Timber trestles remain common in some applications, most notably for bridge approaches crossing floodways, where earth fill would dangerously obstruct floodwater. For the purposes of discharging material below, a coal trestle carried a dead-end track, rather than a bridge.
Source: en.wikipedia.org/wiki/Trestle_bridge

Appleton is a city in Outagamie (mostly), Calumet, and Winnebago counties in the U.S. state of Wisconsin. One of the Fox Cities, it is situated on the Fox River, 30 miles (48 km) southwest of Green Bay and 100 miles (160 km) north of Milwaukee. Appleton is the county seat of Outagamie County. The population was 72,623 at the 2010 census. Of this figure, 60,045 resided in Outagamie County, 11,088 in Calumet County, and 1,490 in Winnebago County. Appleton is the principal city of the Appleton, Wisconsin Metropolitan Statistical Area, which is included in the Appleton-Oshkosh-Neenah, Wisconsin Combined Statistical Area. Appleton is home to the two tallest buildings in Outagamie County, the Zuelke Building and the 222 Building, at 168 and 183 feet, respectively. Appleton serves as the heart of the Fox River Valley, and is home to the Fox Cities Exhibition Center, Fox Cities Performing Arts Center, Fox River Mall, Neuroscience Group Field at Fox Cities Stadium, Appleton International Airport, and the Valley's two major hospitals: St. Elizabeth Hospital and ThedaCare Regional Medical Center–Appleton (better known as "Appleton Medical Center"). It also hosts a large number of regional events such as its Flag Day parade, Memorial Day parade, Christmas parade, Octoberfest, Mile of Music, and others.
Source: en.wikipedia.org/wiki/Appleton,_Wisconsin

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Photo taken @ A on 25 July 2019 (© @CarShowShooter / Flickr)

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