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An overpass, called an overbridge or flyover (for a road only) in the United Kingdom and some other Commonwealth countries, is a bridge, road, railway or similar structure that is over another road or railway. An overpass and underpass together form a grade separation. [1] Stack interchanges are made up of several overpasses.
350,000: Square yards of concrete used to pave the eastern 8.6 miles. A concrete approach slab for a bridge of the N.C. 540 Triangle Expressway, which will be completed this summer.
In 1987, the state designated the route between US 12 and the Indiana Toll Road as the Highway Construction Workers Memorial Highway. From December 28, 2009 to December 23, 2020 the Indiana Department of Transportation (INDOT) closed the elevated bridge portion of Cline Avenue between Calumet and Michigan Avenues, a distance of nearly 3.5 miles ...
Falsework parallel truss bridges temporarily supporting deck segment box structures Overpass under construction over Interstate 5 in Burbank, California, in July 2021 [4] [5] Sixth Street Viaduct Falsework - Bent 11 Jump Span. Shown in the background is a concrete Y-Arm. A certain type of bridge, the self-anchored suspension bridge, must be ...
The Lilac Road Bridge is a reinforced concrete arch bridge in Bonsall, California, built in 1978 at a cost of $1,500,000. [1] Its main span is 455 feet (139 m), with a total length of 745 feet (227 m). It was designed by Fred G. Michaels and John Suwada, with architecture consulting by William Wells.
A segmental bridge is a bridge built in short sections (called segments), i.e., one piece at a time, as opposed to traditional methods that build a bridge in very large sections. The bridge is made of concrete that is either cast-in-place (constructed fully in its final location) or precast concrete (built at another location and then ...
The Barra Strait Bridge is a girder bridge design, consisting of steel girders with a reinforced concrete deck, supported on reinforced concrete piers. [8] The bridge incorporates a double leaf bascule section at its eastern end to permit the continued passage of marine traffic through the strait.
Collapsed during construction due to use of green lumber and the lack of diagonal bracing on the wooden support forms for concrete pour. 9 killed Rebuilt. Boudewijnsnelweg Bridge: Viersel: Belgium 13 November 1966: Concrete road bridge over Nete Canal (Netekanaal) Collapse due to faulty design: the foundation of the piers was not deep enough.