Huey P. Long Bridge (Baton Rouge)

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Coordinates: 30 ° 30 ′ 25 ″  N , 91 ° 11 ′ 51 ″  W.

Huey P. Long Bridge
Huey P. Long Bridge
The bridge was painted red-brown in 2006; after an overhaul in 2012-2016, it is now silver-gray
use US Highway Railroad Bridge Kansas City Southern Railway Union Pacific Railroad Canadian National RailwayUS 190.svg
Crossing of Mississippi River
place Baton Rouge in Louisiana
Entertained by LaDOTD
Kansas City Southern
construction Truss bridge
overall length 3.7 km (railway)
1.8 km (road)
width 26.8 m
Longest span 258.5 m
Clear height 34 m
completion 1940
location
Huey P. Long Bridge (Baton Rouge) (USA)
Huey P. Long Bridge (Baton Rouge)

The Huey P. Long Bridge (also Old Mississippi River Bridge ) is a combined rail and road bridge over the Mississippi in Baton Rouge in the state of Louisiana, USA. It leads four lanes of US Highway 190 (Airline Highway) and is operated by the Louisiana Department of Transportation and Development (LaDOTD). In addition, a track of the Kansas City Southern Railway runs over the bridge, which is also used by the Union Pacific Railroad and Canadian National Railway . The truss bridge was built until 1940 and was originally named after the former governors of the state, Huebert Pierce Long and Oscar K. Allen (until 1974 the official name was Huey P. Long - OK Allen Bridge ). The traffic volume on the bridge in 2015 was around 28,500 vehicles and 5 to 6 trains per day.

history

Access to the Mississippi Bridge (right) next to the Kaiser Aluminum plant in Baton Rouge 1972

Opened in August 1940, the bridge was built about a year before the United States entered World War II . In the course of this, Alcoa built an aluminum smelter in Baton Rouge south of the bridge on behalf of the government . After the end of the war, the plant went to Kaiser Aluminum and was in operation until the mid-1980s. The nearby plant regularly caused reddish deposits of bauxite on the steel structure of the bridge, which ultimately prompted the Louisiana Department of Transportation and Development as operator to paint similar colors in the future; the original paint was blue.

In Louisiana , two bridges, the Mississippi Bridge in Jefferson Parish, bear the name of the former Governor Huey Long . Both were built in the 1930s in a similar construction as combined railway and road bridges , with the truss bridges guiding the rail traffic within their steel girders in the middle area and the vehicle traffic on their outer sides. In contrast to the rebuilt bridge in Jefferson Parish , the bridge in Baton Rouge has four lanes to this day, but the width of the lane in each direction of travel was widened from six to over seven meters in 1986.

Another overhaul took place between 2012 and 2016. The nearly USD 100 million program included repair work on the substructure, the structural elements of the steel superstructure - including the driveways - and the complete painting of the bridge (this time in standard Louisiana gray ), for which the old leaded paint layers had to be removed beforehand.

description

The east-west orientation of the Huey P. Long Bridge consists of a central steel lattice girder , which is designed as a tanner girder with two suspension girders , and steel trestle bridges as accesses. The symmetrical tanner girder has a length of 1014 m and a width of about 27 m. It rests on six reinforced concrete pillars that divide it into spans of 149 m, 259 m, 198 m, 259 m and 149 m. The track is guided here within the truss (the distance between the central axes of the belts is 9.8 m) and the tracks are mounted on lateral brackets. The trestle bridges of the access roads for rail traffic have a length of 1093 m on the east side and 1615 m on the west side. Here, too, the access lanes are mounted on cantilevers attached to the steel lattice masts of the Trestle bridges; In some cases, however, wider masts were used for both traffic routes. The total length of the railway bridge is 3.7 km, that of the road bridge 1.8 km.

See also

Web links

Commons : Huey P. Long Bridge  - collection of pictures, videos and audio files

Individual evidence

  1. ↑ a b DOTD celebrates launch of $ 74.8 million US 190 Mississippi River Bridge painting and repair project in Baton Rouge. The Westside Journal, October 4, 2012. Retrieved July 26, 2018.
  2. ^ A b Ask The Advocate: Questions about the US 190 bridge. ( Memento of July 26, 2018 in the Internet Archive ) The Advocate, July 6, 2015.
  3. ↑ a b PRESERVING LOUISIANA'S INFRASTRUCTURE: US190 MISSISSIPPI RIVER BRIDGE. Modjeski & Masters, 2016. Retrieved July 26, 2018.
  4. ↑ Camp Matens: Transcribed history (Emperor) "Tract X" and Panamax dock, Baton Rouge, Louisiana. CEMUS Deep Water Port, 2007. Accessed July 26, 2018.
  5. ^ Durk Krone: Rehabilitation Design and Construction for the US 190 Mississippi River Bridge Cleaning, Painting, and Repair Project. Louisiana Transportation Conference, 2013. Retrieved July 26, 2018.
  6. ^ A b John Richard: US 190 Mississippi River Bridge Structural Repairs. Louisiana Transportation Conference, 2016. Retrieved July 26, 2018.
  7. ^ Huey P. Long Bridge (Baton Rouge). Bridgehunter.com (see Comments : February 3, 2009). Retrieved July 26, 2018.