| 词条 | 33rd Street Railroad Bridge |
| 释义 |
|bridge_name = 33rd Street Railroad Bridge |image = 33rd St. RR Bridge.JPG |image_size=300px |caption = The downstream side of the 33rd Street Railroad Bridge. |official_name = |also_known_as = B&O Railroad Bridge at 33rd Street and Herr's Island |carries = Allegheny Valley Railroad (P&W Subdivision) |crosses = Allegheny River |locale = Pittsburgh, Pennsylvania |maint = |id = |design = Truss bridge |material = steel |mainspan = {{convert|400|ft|m}} |length = |width = |clearance = |below = {{convert|44.9|ft|m}} |traffic = |open = 1921 |closed = |toll = |map_cue = |map_image = |map_text = |map_width = |coordinates = {{coord|40.4657|-79.9736|display=inline,title}} }} The 33rd Street Railroad Bridge is a truss bridge that carries the Allegheny Valley Railroad on the P&W Subdivision over the Allegheny River in downtown Pittsburgh, Pennsylvania, United States. HistoryThe Allegheny River was first crossed at this point by a railroad bridge built in 1884 by the Iron City Bridge Works, which moved to Pittsburgh from Cincinnati in 1856.[1] This was replaced by the B&O bridge in 1921.[2] See alsoList of crossings of the Allegheny RiverReferences{{commons category|B&O Railroad Bridge at 33rd Street}}1. ^{{cite book |url=http://digital.library.pitt.edu/cgi-bin/t/text/pageviewer-idx?c=pitttext;cc=pitttext;q1=bridge;rgn=full%20text;idno=00afq9167m;didno=00afq9167m;view=image;seq=804;page=root;size=s;frm=frameset |title=History of Allegheny County |author=Cushing |location=Chicago |publisher=A. Warner Co |date=1889}} {{Crossings navbox2. ^{{cite web |url=http://pghbridges.com/pittsburghE/0586-4479/33rdst_rr.htm |title=Bridges & Tunnels of Allegheny County and Pittsburgh, PA - 33rd street railroad bridge |date=August 31, 2001 |accessdate=March 5, 2010}} |structure = Bridges |place = Allegheny River |bridge = 33rd Street Railroad Bridge |bridge signs = |upstream = Washington Crossing Bridge |upstream signs = |downstream = 31st Street Bridge |downstream signs = }}{{Pittsburgh Bridges}}{{US-rail-bridge-struct-stub}}{{Pennsylvania-bridge-struct-stub}}{{Pittsburgh-struct-stub}} 8 : Railroad bridges in Pennsylvania|Bridges in Pittsburgh|Bridges over the Allegheny River|Former CSX Transportation bridges|Baltimore and Ohio Railroad bridges|Bridges completed in 1921|1921 establishments in Pennsylvania|Steel bridges in the United States |
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