| 词条 | P.W. & B. Railroad Bridge |
| 释义 |
|bridge_name= P.W. & B. Railroad Bridge |image= PWB_Railroad_Susquehanna_Bridge_1866.jpg |image_size=300px |caption= Construction of the bridge is almost complete in this 1866 newspaper illustration. |official_name= |also_known_as= |carries= |crosses= Susquehanna River |locale= (ruins) Havre de Grace, Maryland and Perryville, Maryland |maint= |id= |design= Wood truss bridge, with later iron reinforcements |mainspan= |length={{convert|3269|ft|m}}[1]{{rp|116}} |spans=13 (including center draw span)[1]{{rp|116}} |width= |clearance= |below= |traffic= |open= November 26, 1866[2] |closed=1906 (as a railroad bridge);[3] 1940 (as a highway bridge) |toll= |coordinates={{coord|39|33|17|N|76|05|01|W|region:US_type:landmark}} |map_cue= |map_image= |map_text= |map_width= |lat= |long= }} The P.W. & B. Railroad Bridge was the first bridge over the Susquehanna River, built by the Philadelphia, Wilmington and Baltimore Railroad in 1866, as part of the first mainline railroad between Philadelphia and Baltimore. The bridge was replaced by the Susquehanna River Movable Bridge (now called the Amtrak Susquehanna River Bridge) in 1906. HistoryThe P.W. & B. began operating its main line in 1838, using a ferry operation to transport railroad cars over the Susquehanna River.[4] Construction of the bridge, which was a wood truss design, began in 1862. The masonry and most of the wooden spans were complete in 1866, but then a tornado severely damaged the wooden components on July 25, 1866. Repairs were quickly made and the first locomotive crossed the bridge on November 20, 1866. The cost of construction, including rebuilding most of the truss portions, was $2.3 million. Passenger trains began service over the bridge on November 26, 1866.[2] The P.W. & B. later replaced the wooden spans with iron spans. A draw span was then installed in the late 1870s.[2] The Pennsylvania Railroad took control of the P.W. & B. in 1881. It built a new bridge from 1904 to 1906.[3] The P.W. & B. bridge was then converted to a vehicular bridge, and was made double-decker because it was so narrow. Its existence as such overlapped that of what is now the Hatem Bridge, but was eventually dismantled during World War II. The piers still stand next to the current railroad bridge today. References1. ^1 {{cite book | last = Roberts| first = Charles S. | authorlink = |author2=David W. Messer | title = Triumph VI: Philadelphia, Columbia, Harrisburg to Baltimore and Washington DC: 1827-2003 | publisher = Barnard, Roberts, and Co., Inc. | year = 2003 | location = Baltimore, Maryland | pages = | doi = | id = | isbn = 0-934118-28-0 }} 2. ^1 2 {{cite book |title=History of the Pennsylvania Railroad Company |last=Wilson |first=William B. |authorlink= |year=1895 |publisher=Henry T. Coates & Co |location=Philadelphia |isbn= |pages=310–311 |url=https://books.google.com/books?id=qj9N-eWi71YC&dq=wilson%20history%20pennsylvania%20railroad&pg=PA310#v=onepage&q&f=false |accessdate=}} 3. ^1 {{cite web | last=Baer | first = Christopher T | title=PRR Chronology: 1906 | url=http://www.prrths.com/newprr_files/Hagley/PRR1906%20Mar%2005.pdf | accessdate=2015-06-04}} Pennsylvania Railroad Technical & Historical Society. 4. ^{{cite web|url=http://www.mdoe.org/phil_wil_balt_rr.html |title=Philadelphia, Wilmington & Baltimore Railroad |author=Herbert W. Harwood, Jr. |work=Maryland Online Encyclopedia |publisher=Maryland Historical Society |accessdate=2010-05-12 |deadurl=yes |archiveurl=https://web.archive.org/web/20080720135938/http://www.mdoe.org/phil_wil_balt_rr.html |archivedate=July 20, 2008 }} External links
|structure = Bridges |place = Susquehanna River |bridge = P.W. & B. Railroad Bridge |bridge signs = |upstream = Amtrak Susquehanna River Bridge |upstream signs = |downstream = Chesapeake Bay Bridge (Chesapeake Bay) |downstream signs = }}{{DEFAULTSORT:P.W. and B. Railroad Bridge}} 12 : Bridges over the Susquehanna River|Buildings and structures in Havre de Grace, Maryland|Philadelphia, Baltimore and Washington Railroad|Pennsylvania Railroad bridges|Railroad bridges in Maryland|Bridges in Harford County, Maryland|Truss bridges in the United States|Wooden bridges in the United States|Iron bridges in the United States|Bridges completed in 1866|1866 establishments in Maryland|1940 disestablishments in Maryland |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。