The Steel Bridge is a through truss, double-deck vertical-lift bridge across the Willamette River in Portland, Oregon, United States, opened in 1912. Its lower deck carries railroad and bicycle/pedestrian traffic, while the upper deck carries road traffic, and light rail (MAX), making the bridge one of the most multimodal in the world. It is the only double-deck bridge with independent lifts in the world and the second oldest vertical-lift bridge in North America, after the nearby Hawthorne Bridge. The bridge links the Rose Quarter and Lloyd District in the east to Old Town Chinatown neighborhood in the west.
A swing bridge is a movable bridge that has as its primary structural support a vertical locating pin and support ring, usually at or near to its center of gravity, about which the swing span can then pivot horizontally as shown in the animated illustration to the right. Small swing bridges as found over canals may be pivoted only at one end, opening as would a gate, but require substantial underground structure to support the pivot.
A truss bridge is a bridge whose load-bearing superstructure is composed of a truss, a structure of connected elements, usually forming triangular units. The connected elements may be stressed from tension, compression, or sometimes both in response to dynamic loads. The basic types of truss bridges shown in this article have simple designs which could be easily analyzed by 19th and early 20th-century engineers. A truss bridge is economical to construct because it uses materials efficiently.
The Burlington Northern Railroad Bridge 5.1 or BNSF Railway Bridge 5.1, also known as the St. Johns Railroad Bridge or the Willamette River Railroad Bridge, is a through truss railway bridge with a vertical lift that spans the Willamette River in Portland, Oregon, United States. Built by the Spokane, Portland and Seattle Railway (SP&S) and completed in 1908, it was originally a swing-span bridge, and its swing-span section was the longest in the world at the time. However, 81 years later the main span was converted from a swing-type to a vertical-lift type, in order to widen the navigation channel. The lift span is one of the highest and longest in the world. The bridge consists of five sections, with the two sections closest to the bank on each side fixed.
The Delair Bridge is a railroad bridge with a vertical-lift section that crosses the Delaware River between Philadelphia, Pennsylvania, and Pennsauken Township, New Jersey, just south of the Betsy Ross Bridge. The two-track bridge is part of Conrail Shared Assets Operations and is jointly used by Norfolk Southern Railway and CSX Transportation freight trains, as well as by the New Jersey Transit Atlantic City Line service.
The Arthur Kill Vertical Lift Railroad Bridge is a rail vertical-lift bridge connecting Elizabethport, New Jersey and the Howland Hook Marine Terminal on Staten Island, New York, United States. The bridge was built by the Baltimore and Ohio Railroad in 1959 to replace the Arthur Kill Bridge, a swing bridge opened in 1890. It contains a single track that is used mainly to carry garbage out of New York City, as well as to transport freight to destinations in western Staten Island. The bridge parallels the Goethals Bridge, which carries Interstate 278. It has the longest lift span of any vertical-lift bridge in the world, with two 215-foot (66 m) towers and a 558-foot (170 m) truss span that allows a 500-foot (152 m) channel. It clears mean high water by 31 feet (9.45 m) when closed and 135 feet (41 m) when lifted.
The Quincy Rail Bridge is a truss bridge that carries a rail line across the Mississippi River between West Quincy, Missouri, and Quincy, Illinois, USA. It was originally constructed in 1868 for the Chicago, Burlington and Quincy Railroad, a predecessor of BNSF Railway.
The Harlem River Lift Bridge is a vertical lift bridge carrying the Metro-North Railroad's Hudson Line, Harlem Line, and New Haven Line across the Harlem River between the boroughs of Manhattan and the Bronx in New York City. The average weekday ridership on the lines is 265,000.
A tied-arch bridge is an arch bridge in which the outward horizontal forces of the arch(es) caused by tension at the arch ends to a foundation are countered by equal tension of its own gravity plus any element of the total deck structure such great arch(es) support. The arch(es) have strengthened chord(s) that run to a strong part of the deck structure or to independent tie-rods below the arch ends.
The La Crosse Rail Bridge is a swing bridge that spans the Mississippi River between La Crescent, Minnesota and La Crosse, Wisconsin. The first bridge in this location initially was designed and ready to build by June 1876, and was completed in November 1876 by the Milwaukee and St. Paul Railway, a predecessor of the Chicago, Milwaukee, St. Paul and Pacific Railroad. It was later replaced in 1902. It is at the Western end of the Canadian Pacific Railway Tomah Subdivision. Amtrak's Empire Builder crosses this bridge.
The Fourteenth Street Bridge, also known as the Ohio Falls Bridge, Pennsylvania Railroad Bridge, Conrail Railroad Bridge or Louisville and Indiana (L&I) Bridge, is a truss drawbridge that spans the Ohio River, between Louisville, Kentucky and Clarksville, Indiana.
The Kentucky & Indiana Bridge is one of the first multi modal bridges to cross the Ohio River. It is for both railway and common roadway purposes together. Federal, state, and local law state that railway, streetcar, wagon-way, and pedestrian modes of travel were intended by the cites of New Albany and Louisville, the states of Kentucky and Indiana, the United States Congress, and the bridge owners. The K&I Bridge connects Louisville, Kentucky, to New Albany, Indiana. Constructed from 1881 to 1885 by the Kentucky and Indiana Bridge Company, the original K&I Bridge opened in 1886. It included a single standard gauge track and two wagon ways, allowing wagons and other animal powered vehicles to cross the Ohio River by a method other than ferry for the first time. At that time, motorized vehicles were virtually nonexistent. The K&I Bridge company also owned a ferry boat operation during both the first and second bridge; eventually that operation was sold as the bridge's success largely outmoded boat usage.
The Oregon Trunk Rail Bridge or Celilo Bridge is a single-track railroad bridge opened in 1912 over the Columbia River in the Pacific Northwest of the United States. It consists of eight steel truss spans and several deck girder spans, and since 1957 it has included a vertical-lift section. The bridge was designed by engineer Ralph Modjeski and erected by the Missouri Valley Bridge & Iron Co., of Leavenworth, Kansas.
The Fruitvale Bridge and the Fruitvale Avenue Bridge are parallel bridges that cross the Oakland Estuary, linking the cities of Oakland and Alameda in California. The Fruitvale Bridge is a vertical-lift Warren through truss railroad moveable bridge, while the Fruitvale Avenue Bridge is a steel stringer road bascule bridge that connects Fruitvale Avenue in Oakland with Tilden Way in Alameda.
The Union Street Railroad Bridge is a vertical lift, Pratt through truss bridge that spans the Willamette River in Salem, Oregon, United States, built in 1912–13. It was last used by trains in the early 1990s and was sold for one dollar in 2003 to the City of Salem, which converted it to bicycle and pedestrian use in 2008–2009. It was added to the National Register of Historic Places in 2006.
Tenbridge is a vertical-lift railroad bridge over the Tennessee River in Chattanooga, Tennessee. It has a main span of 310 feet (94 m).
The Cisco Bridges are a pair of railroad bridges at Siska near Lytton, British Columbia, Canada. The Canadian Pacific Railway and Canadian National Railway both follow the route of the Fraser River, one on each side, and the routes exchange sides at this point. The easier CPR route was laid first; when the CNR arrived later they needed to follow the more difficult route. The area is popular with railfans due to the proximity of the two bridges, and the easy access to the area is parallel to both bridges down the east bank of the river. Directional running in the Fraser Canyon means that both CPR and CNR trains may be seen on both bridges. Although this area is generally known as Cisco, the actual CN timetable station point of Cisco is approximately 4.0 km (2.5 mi) to the east of the bridges.
The Fink truss is a commonly used truss in residential homes and bridge architecture. It originated as a bridge truss although its current use in bridges is rare.
Old Cobram-Barooga Bridge is a heritage-listed former road bridge and now footbridge over the Murray River at Barooga-Cobram Road, Barooga, New South Wales, Australia. The bridge links Barooga with Cobram, its sister town in Victoria. It was designed by Ernest de Burgh (engineer) and the New South Wales Department of Public Works and built from 1900 to 1902. It is also known as RMS Bridge No 3247. It is owned by Transport for NSW. It was added to the New South Wales State Heritage Register on 1 April 2016.
