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 turning 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.
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 Huey P. Long Bridge, located in Jefferson Parish, Louisiana, is a cantilevered steel through-truss bridge that carries a two-track railroad line over the Mississippi River at mile 106.1 with three lanes of US 90 on each side of the central tracks. It is several kilometers upriver from the city of New Orleans. The East Bank entrance is at Elmwood, Louisiana, and the West Bank at Bridge City.
The Robert Street Bridge is a reinforced concrete multiple-arch bridge that spans the Mississippi River in downtown Saint Paul, Minnesota, United States. The bridge is notable for its complex design that was required to accommodate river traffic, the St. Paul Union Pacific Vertical-lift Rail Bridge crossing underneath it at an angle, and roadways on the downtown side of St. Paul. The bridge is also notable for a monumental reinforced concrete rainbow arch. The rainbow arch not only provides 62 feet of headroom above the river, but also provides a strong aesthetic focus. It was built in 1924–1926 by Fegles Construction Company, Ltd. and designed by Toltz, King & Day. The bridge was added to the National Register of Historic Places in 1989. The bridge as well as Robert Street itself are named after Captain Louis Roberts, a notable French Canadian river boat captain, businessman and early settler of Saint Paul, MN.
The Short Line Bridge is a truss bridge that spans the Mississippi River in Minneapolis, Minnesota, United States. It was originally built in the 1880s and upgraded a few years later by Chicago, Milwaukee, St. Paul and Pacific Railroad and was designed by American Bridge Company.
Northern Pacific Bridge #9 is a deck truss bridge that spans the Mississippi River in Minneapolis, Minnesota, between the Seven Corners area and the University of Minnesota campus. It was built in 1924 and was designed by Frederick W. Cappelen. Railroad use of the bridge ended in 1981, and in 1999 the bridge was opened to bicycles and pedestrians. It replaced the former Northern Pacific "A Line" bridge.
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.
Hastings Rail Bridge is a vertical-lift bridge that spans the Mississippi River in Hastings, Minnesota. It is one of only four lift spans on the Mississippi River, the others being at Hannibal, Missouri, Burlington, Iowa and in downtown St. Paul, Minnesota. It was built in 1981 by Milwaukee Road and was designed by Howard, Needles, Tammen & Bergendoff.
Minneapolis BNSF Rail Bridge is a combination plate girder bridge and truss bridge that spans the main channel of the Mississippi River between downtown Minneapolis, Minnesota and Nicollet Island in Minneapolis. It is located adjacent to the current Federal Reserve Bank of Minneapolis.
St. Paul Union Pacific Rail Bridge, also known as the Hoffman Swing Bridge, is a swing bridge that spans the Mississippi River between South Saint Paul, Minnesota and Saint Paul, Minnesota in the United States. It was built in 1910 by the St. Paul Bridge and Terminal Railway, and was rebuilt in 1925, after a flood in 1951, and again in 1982.
The Minneapolis Great Northern Depot, also known as Great Northern Station, was a passenger railroad station which served Minneapolis, Minnesota, USA. It was built in 1913 and demolished in 1978. It was located on Hennepin Avenue next to the Hennepin Avenue Bridge and across the street from the main Minneapolis Post Office.
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 Pile–Pontoon Railroad Bridge was a floating bridge which crossed the Mississippi River in northern Iowa.
The Chicago and North Western Railway's Kinzie Street railroad bridge is a single leaf bascule bridge across the north branch of the Chicago River in downtown Chicago, Illinois. At the time of its opening in 1908 it was the world's longest and heaviest bascule bridge. The previous bridges on the same site included a pedestrian span that was the first bridge across the Chicago River; a second bridge that served as Chicago's first railroad bridge; and a third bridge that was one of the first all-steel spans in the United States.
The Lake Oswego Railroad Bridge is a truss railroad bridge that spans the Willamette River between Lake Oswego, Oregon and Oak Grove, Oregon. Owned by the Union Pacific Railroad, it is currently leased by the Portland and Western Railroad.
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.
The Rock Island Swing Bridge was a swing bridge that spanned the Mississippi River between Inver Grove Heights, Minnesota, and St. Paul Park, Minnesota. It was also known as the Newport Rail Bridge, as it had a spur to Newport, Minnesota, and J.A.R. bridge, after previous owners Joan and Al Roman of Chicago. It was one of the few double-decker bridges on the Mississippi, with the top level formerly used for railroad traffic and the bottom level formerly used as a road crossing. It also was one of a few toll bridges in Minnesota, and one of the last remaining ones. It closed to rail traffic in 1980, and road traffic in 1999, when the toll was 75 cents. After closing, the bridge sat dormant in the open position for 10 years before being partially demolished in 2009. It was converted into a recreational pier, which was open to the public on June 11, 2011.
The Tomah Subdivision or Tomah Sub is a railway line that runs about 103 miles (166 km) from La Crosse, WI in the west to Portage, WI in the east.
The Winona Rail Bridge was a swing bridge that spanned the Mississippi River between Winona, Minnesota, and Winona Junction in Buffalo, Buffalo County, Wisconsin. It was built to link the Winona and St. Peter Railroad with the La Crosse, Trempealeau & Prescott Railroad. Both became part of the Chicago and North Western Transportation Company (C&NW). The swing span was removed, but the box girder portion of the bridge still extends from Latsch Island just downstream of the current Main Channel Bridge. Piers from the original 1871 bridge and the box girders are in the North Channel just downstream of the current North Channel Bridge.
