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Train Trestle In The Woods
Photograph - Photography
An old trestle near Agate Falls in Michigan's Upper Peninsula. This trestle spans a large deep gorge over the falls. A trestle (sometimes tressel) is a rigid frame used as a support, especially referring to a bridge composed of a number of short spans supported by such frames. In the context of trestle bridges, each supporting frame is generally referred to as a bent. Timber and iron trestles were extensively used in the 19th century, the former making up from 1 to 3% 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.
August 26th, 2011
Viewed 342 Times - Last Visitor from New York, NY on 07/28/2014 at 5:21 PM
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