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Here, three tracks are provided for loading the barge. On the barge the three tracks are spread to allow clearance for the freight cars. The slip consists of pilings and guide boards to accurately position the barge relative to the apron. Once the barge is located properly, links are lowered from the
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While the apron shown could bear the weight of a locomotive, it could not withstand the traction, so a string of flatcars was used to link the locomotive to a short string of railcars, which were then moved on or off of the barge. If a locomotive was to be moved (a rare event), it would be moved by
237:, operated along The Embarcadero by the state of California in support of maritime traffic. This was used extensively in an era when large cargo ships would contain crates or pallets of stores, moved to and from the ship's cargo holds by crews of
253:. Southern Pacific eventually replaced their multiple tug and barge system with a single specialized ferryboat. Two ferry slips were used by Santa Fe in San Francisco, here near China Basin, and at the north edge of town near the
95:- when elevated it acts as a wave guard and is lowered to a horizontal position at the terminus to meet a permanent road segment that extends under water. In other cases, the ramp is installed at the ferry slip and is called a
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ferry slip used water tanks as a portion of the counterweight, with the amount of water (provided by gravity from a local creek) regulated to move the apron up or down by admitting or draining water from the tanks.
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was positioned on the left side of the barge (our right in the apron view), pulling it with a stout rope called a springline. Nearly identical structures were used around
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245:, with the ship's own spar cranes and winches used for movement. Transport to and from the docks was mostly by rail. Rather than make a long trip down the
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and specialized trucking. The rise of the Port of
Oakland and its dominance over San Francisco as a freight port is an example of the exploitation of a
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for connection with the major transcontinental rail lines, with a small amount of traffic for
California's northern coastal region (the so-called
103:. Such a ramp is adjustable to accommodate varying water heights and ferry loadings and to move it out of the way during approach and exit. If
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233:. It is no longer in use. It remains intact but there are no longer any connecting rails along the shoreline - once the province of the
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another locomotive using the same method. The auxiliary track to the left of the headworks was for storage of the flatcar string.
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Facilities very similar to those pictured above were still in commercial operation as of 2007 in the
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by a competitor with a relatively insignificant investment in the older form of the technology.
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San
Francisco is no longer a significant port for freight as the mode of transport is now in
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across the bay, conveniently close to the land modes of container transport -
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apron to engage hooks on the barge, locking the linkspan and barge together.
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Often a ferry intended for motor vehicle transport will carry its own
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Similar structures are used to receive barges, particularly if the
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was a principal crew change point for maritime operations of the
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153:. Unlike the electric motor drive used here and elsewhere, the
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In some parts of the world, the structures are also known as
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New York
Central Railroad 69th Street Transfer Bridge
288:. The containers are loaded on and off ships at the
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38:ferry barge with integral ramp at each end
468:for a list of other movable bridge types
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217:Historical significance of this example
364:Lake Champlain Transportation Company
49:Dock seen from the ship about to dock
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307:, transferring freight cars between
198: Apron for railcars.
362:Automobile apron and ferry of the
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305:Port of New York and New Jersey
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69:. A similar structure called a
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325:New York New Jersey Rail, LLC
241:and on the docks by crews of
269:) passing through a slip at
27:Docking facility for a ferry
393:Woodfibre, British Columbia
235:San Francisco Belt Railroad
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456:Landing (water transport)
377:modern ferry slip at the
344:Two track rail apron and
223:San Francisco, California
221:This example, located in
61:facility that receives a
88:across a body of water.
313:Jersey City, New Jersey
247:San Francisco Peninsula
133:is for the carriage of
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81:that is used to carry
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412:Transport in Shanghai
346:Tinnsjø railway ferry
298:disruptive technology
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141:San Francisco example
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528:Nautical terminology
523:Coastal construction
111:the apron will have
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107:are carried by the
410:in the history of
323:. They are run by
321:Brooklyn, New York
317:Bush Terminal Yard
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163:Railcar barge slip
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231:Santa Fe Railroad
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151:San Francisco Bay
57:is a specialized
16:(Redirected from
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482:Roll-on/roll-off
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492:Train ferry
227:China Basin
225:, south of
73:receives a
67:train ferry
507:Categories
499:References
436:Drawbridge
282:containers
239:stevedores
115:for them.
71:barge slip
55:ferry slip
47:BC Ferries
431:Car float
120:linkspans
79:car float
63:ferryboat
36:Dartmouth
461:Linkspan
419:See also
349:SF Hydro
294:railroad
263:Richmond
135:railcars
105:railcars
97:linkspan
86:vehicles
487:Slipway
331:Gallery
271:Tiburon
259:Oakland
147:tugboat
83:wheeled
59:docking
315:, and
196:Right:
113:tracks
441:Ferry
192:Left:
131:barge
109:ferry
101:apron
75:barge
477:Port
406:The
122:and
319:in
311:in
273:on
261:or
99:or
77:or
65:or
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53:A
20:)
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