Pennsylvania RR, Rockville Bridge

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B & O Tray Run Viaduct , Circa 1907
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The Rockville Bridge built 1901'

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Bridge accomodates 4 tracks as per prototype

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Design can be provided to "mate" providing any bridge length you wish to achieve.

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Model can be built to accommodate up to 4 tracks
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Replica in O gauge with 2 tracks.

Model can be built to accommodate up to 4 tracks
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Replica in O gauge with 2 tracks.

Model can be built to accommodate up to 4 tracks
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Replica in O gauge with 2 tracks.

Pennsylvania Railroad
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Rockville Bridge crossing Susquehanna River

The current Rockville Bridge was commissioned in 1901'. Built as a part of the Pennsylvania RR  BROADWAY mainline upgrade to four tracks. It replaced several predecessor bridges, constructed of Wood and Iron.  The mighty Susquehanna River made short work of several of the previous designs.

The Rockville Bridge has Forty Eight (48) Arches of Seventy (70) feet per arch. Prototype design consist's of Six (6) sections of Eight (8) spans each. This design provision was incorporated in order to avoid a "domino" effect should one arch section of the brdige fail.
            

Broadway Limited Imports' K4 Pacific (HO gauge) Steam Locomotive anf heavy weight cars crossing the Rockville Bridge convey mass of the bridge compared to Locos and rooling stock.

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Over the years, I have made many trips to Pennsylvania.
Both my "Bridges of Pennsylvania" and "Bridges of the Pennsylvania Railroad" series of models include many historic Pennsy designs. To date, I have modeled over Fifty(50) individual designs  specific to the Pennsylvania Railroad. The Rockville Bridge is the longest stone arch design in the world.

During 2012, I will offer the Rockville Bridge in my "Signature Series" of hand crafted, fully assembled models.

Prototype dimensions are one (1) section of eight (8) Roman Arches at seventy (70) feet per arch, per prototype with deck built to accommoate four(4) tracks as originally built, although as of 2011, two (2) tracks have been removed an only two (2) active tracks remain in service.   

HO Gauge, Each model will represent one (1) section of eight (8) X Seventy (60) Foot arches, close to prototype, with deck to accommodate fout (4) four parallel tracks. 

Compressed:

RVB6-O The O Gauge version, Each model will represent One (1) seciton of six (6) each X Seventy (50) Foot arches for modelers with space considerations. Bridge is close to prototype height. Deck can be built to accommodate two (2) three (3) or four (4) tracks per request for an addition fee to cover extra materials an labor.