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River crossing puzzle. A river crossing puzzle is a type of puzzle in which the object is to carry items from one river bank to another, usually in the fewest trips. The difficulty of the puzzle may arise from restrictions on which or how many items can be transported at the same time, or which or how many items may be safely left together. [1]
The Vasco da Gama Bridge ( Portuguese: Ponte Vasco da Gama; pronounced [ˈpõtɨ ˈvaʃku ðɐ ˈɣɐmɐ]) is a cable-stayed bridge flanked by viaducts that spans the Tagus River in Parque das Nações in Lisbon, the capital of Portugal. It is the second longest bridge in Europe, after the Crimean Bridge, [8] and the longest one in the European ...
January 1, 1981. Location. The Waco Suspension Bridge crosses the Brazos River in Waco, Texas. It is a single-span suspension bridge, with a main span of 475 ft (145 m). Opened on November 20, 1869, [2] it contains nearly 3 million bricks. It is located north of downtown Waco, connecting Indian Spring Park (on the southwest side of the river ...
Designated NHL. May 15, 1975. The John A. Roebling Suspension Bridge (formerly the Cincinnati-Covington Bridge) is a suspension bridge that spans the Ohio River between Cincinnati, Ohio, and Covington, Kentucky. When opened on December 1, 1866, it was the longest suspension bridge in the world at 1,057 feet (322 m) main span, [3] which was ...
51°30′29″N 0°5′20″W. 1890. This railway's original crossing of the river between Borough and King William Street; abandoned in 1900 when the Northern line City branch tunnels were opened on a new alignment. Cannon Street Railway Bridge. Girder bridge, steel bridge, railway bridge. 51°30′30″N 0°5′31″W. 1883.
The bridge may be stiffened by the addition of cables that do not bear the primary structural or live loads and so may be relatively light. These also add stability in wind. An example is the 220-meter-long (720 ft) bridge across the river Drac at Lac de Monteynard-Avignonet: this bridge has stabilizing cables below and to the side of the deck.
Union Pacific Railroad, Big River Crossing Bike/Pedestrian Trail 1916 35°07′45″N 90°04′33″W / 35.12917°N 90.07583°W / 35.12917; -90.07583 ( Harahan Bridge
This is a list of the crossings of the Sacramento River from its mouth at Suisun Bay upstream to the Ribbon Bridge in Redding. There are many more bridges north of this point up to Lake Siskiyou, immediately east of the source of the river at the confluence of the South and Middle Forks of the Sacramento River. All locations are in California .