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List Of Maine Covered Bridges
This is a partial list of wooden covered bridges in the U.S. state of Maine. Bridges Extant Former See also *List of bridges on the National Register of Historic Places in Maine *World Guide to Covered Bridges References * * External links National Society for the Preservation of Covered Bridges article about the state's covered bridges {{Covered bridges in the United States, state=collapsed Covered bridges in Maine, Lists of covered bridges in the United States, Maine Maine transportation-related lists, covered bridges Lists of buildings and structures in Maine, Bridges, covered ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Covered Bridge
A covered bridge is a timber-truss bridge with a roof, decking, and siding, which in most covered bridges create an almost complete enclosure. The purpose of the covering is to protect the wooden structural members from the weather. Uncovered wooden bridges typically have a lifespan of only 20 years because of the effects of rain and sun, but a covered bridge could last over 100 years. In the United States, only about 1 in 10 survived the 20th century. The relatively small number of surviving bridges is due to deliberate replacement, neglect, and the high cost of restoration. European and North American truss bridges Typically, covered bridges are structures with longitudinal timber-trusses which form the bridge's backbone. Some were built as railway bridges, using very heavy timbers and doubled up lattice work. In Canada and the U.S., numerous timber covered bridges were built in the late 1700s to the late 1800s, reminiscent of earlier designs in Germany and Switzerland. Th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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