South 29th Street Mon Con: motor vehicles, 2 lanes Hot Metal: converted for pedestrian and bicycles
Crosses
Monongahela River
Locale
Pittsburgh, Pennsylvania
Official name
Monongahela Connecting Railroad Bridge and Hot Metal Bridge
Other name(s)
MC RR Bridge, Mon Con Bridge, pghe588-14
Characteristics
Design
Truss bridge
Total length
1,174 feet (358 m)
Longest span
321 feet (98 m)
Clearance below
48.4 feet (14.8 m)
History
Designer
William Glyde Wilkins?
Opened
1887
Pittsburgh Landmark – PHLF
Designated
2009
Location
The Hot Metal Bridge is a truss bridge in Pittsburgh, Pennsylvania, that crosses the Monongahela River. The bridge consists of two parallel spans on a single set of piers: the former Monongahela Connecting Railroad Bridge, built in 1887, on the upstream side and the former Hot Metal Bridge, built in 1900, on the downstream side. The Monongahela Connecting Railroad Bridge carried conventional railroad traffic, while the Hot Metal Bridge connected parts of the J&L Steel mill, carrying crucibles of molten iron from the blast furnaces in ladle transfer cars to the open hearth furnaces on the opposite bank to be converted to steel. During World War II 15% of America's steel making capacity crossed over the Hot Metal Bridge, up to 180 tons per hour.[1] The upstream span was converted to road use after a $14.6 million restoration, and opened by Mayor Tom Murphy with a ceremony honoring former steel workers on June 23, 2000.[2] The bridge connects 2nd Avenue at the Pittsburgh Technology Center in South Oakland with Hot Metal Street (South 29th Street) in the South Side. The downstream span reopened for pedestrian and bicycle use in late 2007 after two years of work. The Great Allegheny Passage hiker/biker trail passes over this bridge as it approaches Pittsburgh's Golden Triangle area.
2006 view, before the pedestrian and bicycle bridge opened
2016 view, after pedestrian and bicycle bridge opened
The Pittsburgh History and Landmarks Foundation was responsible for managing the decorative lighting project for the bridge, which was lit with energy-efficient light-emitting diode (LED) and optical fiber technology on June 12, 2008.
The Hot Metal Bridge was inducted into the North America Railway Hall of Fame in 2016.[3]
^"Bridge has long, important history".
^"Hot Metal Bridge opens".
^"North America Railway Hall of Fame". casostation.ca. Retrieved 2019-04-23.
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industries along the line. The railroad is possibly best known for its HotMetalBridge, which was used to carry molten iron across the Monongahela River from...
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