Newport Transporter Bridge Facts and Figures
Main span - 645 feet, 197 metres
Distance between the surface of the waters - 592 feet, 180 metres
Height at full tide to the bottom of the transverse cable - 177 feet, 54 metres
Height of the top of the tower from the water level mark - 242 feet, 74 metres
Distance from the anchor to the tower- 450 feet, 137 metres
Total distance between the eastern and western anchor - 1545 feet, metres
Weight of steel in each tower - 277 tonnes, 282 metric tonnes
Weight of steel in the main transverse cable - 539 tonnes, 548 metric tonnes
Weight of the chain- 16 tonnes,16 metric tonnes
Weight of the gondola and suspension-cables - 35 tonnes, 36 metric tonnes
Diameter of the main suspension-cables- 3 inches, 75 millimetres
Total weight of the suspension-cables - 196 tonnes, 199 metric tonnes
Weight of each ashlar anchor - 2200 tonnes, 2236 metric tonnes
(Photo taken from www.newport.gov.uk)
Tower foundations
Caisson diameter - 20 feet, 6 metre
Depth of eastern shore - 86 feet, 26 metres
Depth of western shore - 78 feet, 24 metres
Gondola speed - 10 feet per second, 3 metres per second
Power - Direct electrical current
Motors -2 (35 horsepower each)
Main span - 645 feet, 197 metres
Distance between the surface of the waters - 592 feet, 180 metres
Height at full tide to the bottom of the transverse cable - 177 feet, 54 metres
Height of the top of the tower from the water level mark - 242 feet, 74 metres
Distance from the anchor to the tower- 450 feet, 137 metres
Total distance between the eastern and western anchor - 1545 feet, metres
Weight of steel in each tower - 277 tonnes, 282 metric tonnes
Weight of steel in the main transverse cable - 539 tonnes, 548 metric tonnes
Weight of the chain- 16 tonnes,16 metric tonnes
Weight of the gondola and suspension-cables - 35 tonnes, 36 metric tonnes
Diameter of the main suspension-cables- 3 inches, 75 millimetres
Total weight of the suspension-cables - 196 tonnes, 199 metric tonnes
Weight of each ashlar anchor - 2200 tonnes, 2236 metric tonnes
(Photo taken from www.newport.gov.uk)
Tower foundations
Caisson diameter - 20 feet, 6 metre
Depth of eastern shore - 86 feet, 26 metres
Depth of western shore - 78 feet, 24 metres
Gondola speed - 10 feet per second, 3 metres per second
Power - Direct electrical current
Motors -2 (35 horsepower each)
The remarkable Newport Transporter Bridge is one of only six operational transporter bridges left world wide from a total of twenty constructed.
The bridge opened in 1906 and has dominated the Newport skyline ever since.
A transporter bridge is basically a suspended ferry that can operate more efficiently than a conventional ferry.
A high level boom that allows ships to pass underneath is suspended from towers at each end.
The boom carries a rail track on which a moving carriage or ‘traveller’ runs.
A gondola or platform is suspended from the carriage and can be pulled from one side of the river to the other by means of a hauling cable.
The Transporter Bridge is powered by twin 35 horse power electric motors.
Although an ‘aerial ferry’ was the idea of English engineer Charles Smith, the first working example was built by Spaniard Alberto Palacio and Frenchman Ferdinand Arnodin in 1893 at Portugalete near Bilbao in Spain.
Why a transporter bridge?
In 1900 Newport was a very busy port, much of it centred up river from where the Transporter Bridge now stands.
Industry was expanding on the east side of the river which, for the population largely based on the west side, meant a 4 mile walk to cross the river by the town bridge to get to work.
A ferry operated but the ever changing times of the tide and its extreme rise and fall meant this was not a practical method of crossing for work - there had also been a number of fatal accidents.
The Borough Engineer, Robert Haynes, had heard of the new innovative bridges being built on the continent and encouraged the council to visit the newly built transporter bridge at Rouen in France.
A transporter bridge offered an economical solution as tunnelling was technically difficult and expensive and a conventional bridge required a very long approach ramp to gain enough height to maintain a waterway for the tall ships of the day.
Building
Parliamentary approval to build the bridge was sought and secured in 1900 and work began in 1902.
Haynes and Arnodin were appointed joint engineers and the contract to build the bridge was given to Alfred Thorne of Westminster.
The bridge cost £98,000 to complete and was opened on September 12 1906 by Lord Tredegar of Tredegar House.
The bridge opened in 1906 and has dominated the Newport skyline ever since.
A transporter bridge is basically a suspended ferry that can operate more efficiently than a conventional ferry.
A high level boom that allows ships to pass underneath is suspended from towers at each end.
The boom carries a rail track on which a moving carriage or ‘traveller’ runs.
A gondola or platform is suspended from the carriage and can be pulled from one side of the river to the other by means of a hauling cable.
The Transporter Bridge is powered by twin 35 horse power electric motors.
Although an ‘aerial ferry’ was the idea of English engineer Charles Smith, the first working example was built by Spaniard Alberto Palacio and Frenchman Ferdinand Arnodin in 1893 at Portugalete near Bilbao in Spain.
Why a transporter bridge?
In 1900 Newport was a very busy port, much of it centred up river from where the Transporter Bridge now stands.
Industry was expanding on the east side of the river which, for the population largely based on the west side, meant a 4 mile walk to cross the river by the town bridge to get to work.
A ferry operated but the ever changing times of the tide and its extreme rise and fall meant this was not a practical method of crossing for work - there had also been a number of fatal accidents.
The Borough Engineer, Robert Haynes, had heard of the new innovative bridges being built on the continent and encouraged the council to visit the newly built transporter bridge at Rouen in France.
A transporter bridge offered an economical solution as tunnelling was technically difficult and expensive and a conventional bridge required a very long approach ramp to gain enough height to maintain a waterway for the tall ships of the day.
Building
Parliamentary approval to build the bridge was sought and secured in 1900 and work began in 1902.
Haynes and Arnodin were appointed joint engineers and the contract to build the bridge was given to Alfred Thorne of Westminster.
The bridge cost £98,000 to complete and was opened on September 12 1906 by Lord Tredegar of Tredegar House.