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Senator William V. Roth Jr. Bridge
The Senator William V. Roth Jr. Bridge (originally the Chesapeake & Delaware Canal Bridge and also referred to as the Roth Bridge) is a concrete and steel cable-stayed bridge that spans the Chesapeake & Delaware Canal near St. Georges, Delaware. The bridge is located near a tolled section of Delaware Route 1 that runs parallel to the St. Georges Bridge carrying U.S. Route 13. In November 2006, the bridge was named after U.S. Senator William V. Roth, Jr., who not only lent his name to the Roth IRA, but was instrumental in securing federal funding to build the bridge. It is owned and operated by the U.S. Army Corps of Engineers and does not carry a toll, despite the location of a nearby toll plaza. History Plans for a new bridge began in the 1980s when former Governor Michael N. Castle investigated a new canal crossing to replace the aging St. Georges Bridge. The bridge plans later became incorporated into the "Relief Route" plans for an upgraded US 13 as a toll freeway, as t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chesapeake & Delaware Canal
The Chesapeake & Delaware Canal (C&D Canal) is a -long, -wide and -deep ship canal that connects the Delaware River with the Chesapeake Bay in the states of Delaware and Maryland in the United States. In the mid‑17th century, mapmaker Augustine Herman observed that these great bodies of water were separated only by a narrow strip of land. In 1764, a survey of possible water routes across the Delmarva Peninsula was made, but little action followed. The idea was raised again in 1788 by regional business leaders, including noted Philadelphians Benjamin Franklin and Benjamin Rush. Despite the beginnings of a commercial venture in 1802—coincident with Canal Mania in England and Wales—it wasn't until 1829 before the C&D Canal Company could, at last, announce the waterway "open for business". Its construction cost of $3.5 million (equivalent to $ million in ) made it one of the most expensive canal projects of its time. In the present era, the C&D Canal is owned and operat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Precast Concrete
Precast concrete is a construction product produced by casting concrete in a reusable mold or "form" which is then cured in a controlled environment, transported to the construction site and maneuvered into place; examples include precast beams, and wall panels for tilt up construction. In contrast, cast-in-place concrete is poured into site-specific forms and cured on site. Recently lightweight expanded polystyrene foam is being used as the cores of precast wall panels, saving weight and increasing thermal insulation. Precast stone is distinguished from precast concrete by the finer aggregate used in the mixture, so the result approaches the natural product. Overview Precast concrete is employed in both interior and exterior applications, from highway, bridge, and hi-rise projects to tilt-up building construction. By producing precast concrete in a controlled environment (typically referred to as a precast plant), the precast concrete is afforded the opportunity to pro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Road Bridges In Delaware
A road is a linear way for the conveyance of traffic that mostly has an improved surface for use by vehicles (motorized and non-motorized) and pedestrians. Unlike streets, the main function of roads is transportation. There are many types of roads, including parkways, avenues, controlled-access highways (freeways, motorways, and expressways), tollways, interstates, highways, thoroughfares, and local roads. The primary features of roads include lanes, sidewalks (pavement), roadways (carriageways), medians, shoulders, verges, bike paths (cycle paths), and shared-use paths. Definitions Historically many roads were simply recognizable routes without any formal construction or some maintenance. The Organization for Economic Co-operation and Development (OECD) defines a road as "a line of communication (travelled way) using a stabilized base other than rails or air strips open to public traffic, primarily for the use of road motor vehicles running on their own wheels", which ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bridges In New Castle County, Delaware
A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually something that is otherwise difficult or impossible to cross. There are many different designs of bridges, each serving a particular purpose and applicable to different situations. Designs of bridges vary depending on factors such as the function of the bridge, the nature of the terrain where the bridge is constructed and anchored, and the material used to make it, and the funds available to build it. The earliest bridges were likely made with fallen trees and stepping stones. The Neolithic people built boardwalk bridges across marshland. The Arkadiko Bridge (dating from the 13th century BC, in the Peloponnese) is one of the oldest arch bridges still in existence and use. Etymology The ''Oxford English Dictionary'' traces the origin of the w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bridges Completed In 1995
A bridge is a structure built to Span (engineering), span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually something that is otherwise difficult or impossible to cross. There are many different designs of bridges, each serving a particular purpose and applicable to different situations. Designs of bridges vary depending on factors such as the function of the bridge, the nature of the terrain where the bridge is constructed and anchored, and the material used to make it, and the funds available to build it. The earliest bridges were likely made with fallen trees and stepping stones. The Neolithic people built boardwalk bridges across marshland. The Arkadiko Bridge (dating from the 13th century BC, in the Peloponnese) is one of the oldest arch bridges still in existence and use. Etymology The ''Oxford English Dictionary'' traces ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cable-stayed Bridges In The United States
A cable-stayed bridge has one or more ''towers'' (or ''pylons''), from which cables support the bridge deck. A distinctive feature are the cables or stays, which run directly from the tower to the deck, normally forming a fan-like pattern or a series of parallel lines. This is in contrast to the modern suspension bridge, where the cables supporting the deck are suspended vertically from the main cable, anchored at both ends of the bridge and running between the towers. The cable-stayed bridge is optimal for spans longer than cantilever bridges and shorter than suspension bridges. This is the range within which cantilever bridges would rapidly grow heavier, and suspension bridge cabling would be more costly. Cable-stayed bridges were being designed and constructed by the late 16th century, and the form found wide use in the late 19th century. Early examples, including the Brooklyn Bridge, often combined features from both the cable-stayed and suspension designs. Cable-staye ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
US 13
U.S. Route 13 (US 13) is a north–south U.S. highway established in 1926 that runs for from Interstate 95 (I-95) just north of Fayetteville, North Carolina to US 1 in the northeastern suburbs of Philadelphia, Pennsylvania, in Morrisville. In all, it traverses five states in the Atlantic coastal plain region. It follows the Atlantic coast more closely than does the main north–south U.S. highway of the region, US 1. Due to this, its number is out of place on the general U.S. Route numbering grid, as it should be running east of US 15 but does not. Its routing is largely rural, the notable exceptions being the Hampton Roads area in Virginia and the northern end of the highway in Delaware and Pennsylvania. It is also notable for being the main thoroughfare for the Delmarva Peninsula and carrying the Chesapeake Bay Bridge–Tunnel to it in Virginia. US 13's original plan in 1926 had the route serve no further south than the Delmarva Peninsula. However, it has been exten ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chesapeake & Delaware Canal Lift Bridge
The Chesapeake & Delaware Canal Lift Bridge is a railroad bridge with vertical-lift span in the U.S. state of Delaware. It carries a Delmarva Central Railroad rail line across the Chesapeake & Delaware Canal. This bridge was built by the U.S. Army Corps of Engineers as part of a canal expansion project and opened in 1966. The Canal Lift Bridge, the only drawbridge on the C & D Canal (other lift bridges, carrying vehicular traffic, had since been replaced with high-level crossings) was owned and operated by the Pennsylvania Railroad, Penn Central, and Conrail before Norfolk Southern acquired ownership of it in 1998 and the Delmarva Central Railroad took over in 2016. The bridge is used primarily by Delmarva Central Railroad on its Delmarva Subdivision, which has a junction with Norfolk Southern north of the bridge in Porter. Norfolk Southern trains use the bridge via trackage rights to interchange with the Delmarva Central Railroad in Clayton. It has also been used by Amtrak ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Elongated Circle 1
Elongation may refer to: * Elongation (astronomy) * Elongation (geometry) * Elongation (plasma physics) * Part of transcription of DNA into RNA of all types, including mRNA, tRNA, rRNA, etc. * Part of translation (biology) In molecular biology and genetics, translation is the process in which ribosomes in the cytoplasm or endoplasmic reticulum synthesize proteins after the process of transcription of DNA to RNA in the cell's nucleus. The entire proces ... of mRNA into proteins * Elongated organisms * Stretch ratio in the physics of deformation See also * {{disambiguation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Indian River Inlet Bridge
The Indian River Inlet Bridge (officially the Charles W. Cullen Bridge) is a cable-stayed bridge located in Sussex County, Delaware, in the United States. It carries four lanes of Delaware Route 1 (DE 1) over the Indian River Inlet between the Indian River Bay and the Atlantic Ocean. The bridge also carries Delaware Bicycle Route 1 (Bike Route 1) across the inlet. The bridge is within Delaware Seashore State Park between Dewey Beach and Bethany Beach. The Indian River Inlet Bridge is maintained by the Delaware Department of Transportation (DelDOT). The bridge is long and wide, with a span of and overhead clearance of . Prior to the current bridge, four other bridges have spanned the Indian River Inlet, opened in 1934, 1940, 1952, and 1965, the latter widened by an additional span added in 1976. All were known informally as the Indian River Inlet Bridge, and all but the first officially were named the Charles W. Cullen Bridge. The 1965 bridge, a steel girder bridge, was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cape Charles, Virginia
Cape Charles is a town / municipal corporation in Northampton County, Virginia, United States. The population was 1,009 as of the 2010 Census. History Cape Charles, located close to the mouth of the Chesapeake Bay, on Virginia's Eastern Shore, was founded in 1884 as a planned community by railroad and ferry interests. In 1883, William Lawrence Scott became president of the New York, Philadelphia and Norfolk Railroad Company (NYP&N), and purchased three plantations comprising approximately 2,509 acres from the heirs of former Virginia Governor Littleton Waller Tazewell. Of this land, 40 acres were ceded to the NYP&N, and 136 acres went to create the Town of Cape Charles (technically known as the "Municipal Corporation of Cape Charles"). Some of this land, named Cape Charles for the geographical cape found on the Point and headland to the south, Scott sold to the Railroad Company to serve as the southern terminus of the line on the Delmarva Peninsula from the Northeast states. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cable-stayed Bridge
A cable-stayed bridge has one or more ''towers'' (or ''pylons''), from which cables support the bridge deck. A distinctive feature are the cables or stays, which run directly from the tower to the deck, normally forming a fan-like pattern or a series of parallel lines. This is in contrast to the modern suspension bridge, where the cables supporting the deck are suspended vertically from the main cable, anchored at both ends of the bridge and running between the towers. The cable-stayed bridge is optimal for spans longer than cantilever bridges and shorter than suspension bridges. This is the range within which cantilever bridges would rapidly grow heavier, and suspension bridge cabling would be more costly. Cable-stayed bridges were being designed and constructed by the late 16th century, and the form found wide use in the late 19th century. Early examples, including the Brooklyn Bridge, often combined features from both the cable-stayed and suspension designs. Cable-stayed ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
