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A plank road is a road composed of wooden planks or puncheon logs, which were commonly found in the Canadian province of Ontario as well as the Northeast and Midwest of the United States in the first half of the 19th century. They were often built by turnpike companies. The Plank Road Boom was an economic boom that happened in the United States.
Starrucca Viaduct is a stone arch bridge that spans Starrucca Creek near Lanesboro, Pennsylvania, in the United States.Completed in 1848 at a cost of $320,000 (equal to $11,268,923 today), it was at the time the world's largest stone railway viaduct and was thought to be the most expensive railway bridge as well.
The Pittsburgh History and Landmarks Foundation, in cooperation with the Riverlife Task Force, the City of Pittsburgh, and Duquesne Light Company, funded and managed the architectural lighting of the bridge. On November 20, 2002, the bridge was lit for the first time.
The Bridge to Nowhere is an arch bridge that was built in 1936 north of Azusa, California, United States in the San Gabriel Mountains. It spans the East Fork of the San Gabriel River and was meant to be part of a road connecting the San Gabriel Valley with Wrightwood, California .
Huey P. Long Bridge, Jefferson Parish – one of the longest railroad bridges in the US: 7 km (4.3 mi) I-10 Bonnet Carré Spillway Bridge , St. Charles Parish – carries Interstate 10 over the Bonnet Carré Spillway , Lake Pontchartrain and LaBranche Wetlands
The Carrollton Viaduct, located over the Gwynns Falls stream near Carroll Park in southwest Baltimore, Maryland, is the first stone masonry bridge for railroad use in the United States, built for the Baltimore and Ohio Railroad, founded 1827, and one of the world's oldest railroad bridges still in use for rail traffic. Construction began in ...
The history of turnpikes and canals in the United States began with work attempted and accomplished in the original thirteen colonies, predicated on European technology. After gaining independence, the United States grew westward, crossing the Appalachian Mountains with the admission of new states and then doubling in size with the Louisiana ...
At only 16 feet wide, the bridge was too narrow for a US numbered highway (in fact, even when built in 1929 it would have been too narrow, as the US highway system required two 9 foot lanes). A dam and replacement bridge were built and the river was rerouted. [3] The bridge is 1,184 feet (361 m) long in total, with a deck width of 16 feet (4.9 m).