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Broadway Avenue Bridge

1987 establishments in MinnesotaBridges completed in 1987Bridges in MinneapolisBridges over the Mississippi RiverGirder bridges in the United States
Great River RoadHistoric American Engineering Record in MinnesotaRoad bridges in Minnesota
BroadwayBridgeMinneapolis
BroadwayBridgeMinneapolis

Broadway Avenue Bridge is a girder bridge that spans the Mississippi River in Minneapolis, Minnesota. Designed by Norman C. Davis and Shawn Pierson Bruns of Van Doren-Hazard-Stallings, it was built in 1987. The bridge has a rather streamlined shape, but its piers are more ornate. The piers have two flat columns that taper together, with a base that extends out to the full width of the bridge. This bridge is the third bridge to cross the river at this location. The first bridge was a wooden structure completed in 1857, but washed away in a flood in 1859. The second bridge was a four-span Pratt truss bridge built in 1887. It spanned the northern industrial district that was developing on both sides of the river. The 1887 bridge was very ornate, featuring finials on each top corner and a band of scrolls, crosses, and lines between them. The horizontal struts and guard railings used X-shapes as a pattern. In 1950, the bridge was raised 20 feet (6.1 m) to allow barges and larger boats to pass underneath. The old bridge was removed in 1985, but a single span of the bridge lives on as the Merriam Street Bridge that connects Nicollet Island to the St. Anthony section of Minneapolis.

Excerpt from the Wikipedia article Broadway Avenue Bridge (License: CC BY-SA 3.0, Authors, Images).

Broadway Avenue Bridge
Northeast 13th Avenue, Minneapolis

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Latitude Longitude
N 44.998888888889 ° E -93.275277777778 °
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Broadway Avenue Bridge

Northeast 13th Avenue
55413 Minneapolis
Minnesota, United States
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BroadwayBridgeMinneapolis
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Plymouth Avenue Bridge
Plymouth Avenue Bridge

The Plymouth Avenue Bridge is a segmental bridge that spans the Mississippi River in Minneapolis. It was built in 1983 and was designed by Van Doren-Hazard-Stallings. The construction of this bridge was unique, for it was the first segmental concrete girder bridge built in Minnesota. This method of design uses a "form traveler" that shapes the concrete as it is built out from the piers. This avoided the use of falsework and avoided impeding river traffic. The concrete is also engineered to be salt-resistant by the use of post-tensioning. Tubes run through the concrete structure carrying strands of cable. With tension on the cables, the structure is designed to be under compression. This prevents cracks and hinders the intrusion of salt water. Since then, other bridges in Minnesota have used this construction method, including the I-35W Saint Anthony Falls Bridge in Minneapolis, the Wabasha Street Bridge in downtown St. Paul, and the Wakota Bridge in South St. Paul. The original bridge at this location was a wooden Howe truss design, built in 1873. It was built when Minneapolis, then only on the west side of the river, consolidated with the city of St. Anthony, on the east side of the river. As part of the merger, Minneapolis agreed to build two bridges, one upstream of the Hennepin Avenue Bridge and one downstream. That bridge was replaced in 1886 with an iron truss bridge. It was remodeled in 1913 and then raised in 1953 for more clearance. The bridge was closed in 1981 because the floor beams were deteriorated by corrosion over the years. The current bridge was constructed two years later. On Friday, October 22, 2010, the Plymouth Avenue Bridge was closed indefinitely "as a precaution, pending further investigation after a routine inspection discovered corrosion on cables that run through the bridge." The bridge was reopened to foot traffic on Thursday, January 6, 2011, after engineers determined that the bridge was safe for pedestrian and bicycle use. Use by vehicular traffic was not allowed until corroded cables could be replaced, a project that, following several delays, was completed as of August 9, 2013.

Washington Avenue (Minneapolis)

Washington Avenue is a major thoroughfare in Minneapolis, Minnesota, United States. Starting north of Lowry Avenue, North Washington Avenue runs straight south, with Interstate 94 running alongside it until just south of West Broadway, when the freeway turns to the west. The street continues running straight until just south of Plymouth Avenue, where it turns in a southeasterly direction heading for Downtown Minneapolis. It forms the main thoroughfare through the Warehouse District. The scenery changes at Hennepin Avenue, where the designation changes to South Washington Avenue. This area, once known as the Gateway District, was heavily affected by urban renewal policies of the 1950s and 60s, destroying what had at one point been the heart of the city. Dozens of city blocks were bulldozed and replaced with modern glass structures - or in many cases, surface parking lots. The portion of the street from Hennepin to what is now Interstate 35W was widened and a median was added. Further changes occurred to the east of the Interstate. Washington used to turn at the Seven Corners intersection (where Washington meets Cedar Avenue) and continue across the old Washington Avenue Bridge into Southeast Minneapolis. However, the old bridge was replaced in the 1960s with a new one which meets Washington east of the Mississippi River but doesn't connect with Washington west of it, instead connecting to a short freeway stub into downtown. There is a one-block portion of the old alignment between Cedar and 19th Avenues that is branded as Washington Avenue, but to continue east of the river, one must travel down Cedar one block and turn east at 3rd Street and get on an entrance ramp to the bridge. East of the river, Washington Avenue Southeast acts as a major thoroughfare through the University of Minnesota campus; a portion of this section has been converted to a transit mall to facilitate the METRO Green Line, opened in June 2014, along with METRO bus service which ran on Washington for decades until the reconfiguration. The street continues east for six blocks before ending at SE University Avenue; the area east of Harvard Street comprises the Stadium Village district.