# Transporter bridge

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A transporter bridge, also known as a ferry bridge or aerial transfer bridge, is a type of movable bridge that carries a segment of roadway across a river. The gondola is slung from a tall span by wires or a metal frame. The design has been used to cross navigable rivers or other bodies of water, where there is a requirement for ship traffic to be able to pass. This has been a rare type of bridge, with fewer than two dozen built. There are just twelve that continue to be used today. These include the Aerial Bridge in Duluth, Minnesota, which has been converted into a lift bridge, and one designed as, but not yet operating as, a transporter bridge.

## History

The concept of the transporter bridge was invented in 1873 by Charles Smith (1844–1882), the manager of an engine works in Hartlepool, England. He called it a "bridge ferry" and unsuccessfully presented his ideas to councils in Hartlepool, Middlesbrough, and Glasgow.
The first transporter bridge, Vizcaya Bridge was built between Las Arenas and Portugalete, Spain, in 1893. The design from Alberto Palacio inspired others to attempt similar structures. The idea came about in locations where it was seen as impractical to build long approach ramps that would be required to reach a high span, and in places where ferries are not easily able to cross. Because transporter bridges can carry only a limited load, the idea was little used after the rise of the automobile.
The first such bridge built in France, the 1898 Rouen bridge crossing the Seine, was destroyed by the French Army to slow down German troops in World War II. Transporter bridges were popular in France, where five were erected and another partially completed.
The United Kingdom has four transporter bridges, though Warrington Transporter Bridge is disused and the modern Royal Victoria Dock Bridge, though designed with the potential to be used as a transporter bridge, has so far only been used as a high-level footbridge. The Newport Transporter Bridge was built in 1906 across the River Usk in Newport. Because the river banks are very low at the crossing point (a few miles south of the city centre) a traditional bridge would need a very long approach ramp and a ferry could not be used at low tide. The Newport Bridge was a Ferdinand Arnodin design. The Middlesbrough Transporter Bridge opened in 1911 crossing the River Tees. It was featured in the 2002 series of the popular British TV show Auf Wiedersehen, Pet; the programme's plot had the bridge being dismantled and re-erected in Arizona, US. The Widnes-Runcorn Transporter Bridge, demolished in the early 1960s, was the first of its type in Britain, and the largest ever built.
In the United States, two such bridges were built. The first was the Aerial Bridge built in Duluth, Minnesota in 1905, although the city had originally planned to build a vertical lift bridge at the site. The transporter design was used for about 25 years before the structure was reconfigured to lift a central span in 1930.
The second American transporter bridge was different from other designs and partially resembled gondola lifts used in mountainous regions. The Sky Ride was part of the 1933–34 Chicago World's Fair ("Century of Progress"). It was taken down after two years, and was the longest bridge of this type ever built at the time.
Two historic transporter bridges survive in Germany. The bridge at Rendsburg, from 1913 is two bridges in one: a railroad link crosses on the top span, and the suspended ferry carries traffic on the valley floor. The Osten Transporter Bridge at Osten is four years older and was the first transporter bridge in Germany.

## List of transporter bridges
### Existing bridges

| Bridge | City | Country | Completed | Span | Clearance | Height | In Use? | Coordinates | Notes |
| Vizcaya Bridge | Portugalete/Getxo | Spain | 1893 | 164 m (538 ft) | 45 m (148 ft) | 61.3 m (201 ft) | Yes | 43°19′23″N 3°1′1″W﻿ / ﻿43.32306°N 3.01694°W﻿ / 43.32306; -3.01694﻿ (Vizcaya Bridge) | In use 24/7, passenger fare 0.45 euro in 2022 (1.60 at night), fares between 1.65 and 3.50 for vehicles. It was declared a World Heritage Site by Unesco in 2006. It has become a prototype for subsequent bridges. |
| Rochefort-Martrou Transporter Bridge | Rochefort, Charente-Maritime | France | 1900 | 140 m (460 ft) | 50 m (160 ft) | 66.5 m (218 ft) | Yes | 45°54′58″N 0°57′38″W﻿ / ﻿45.91611°N 0.96056°W﻿ / 45.91611; -0.96056﻿ (Rochefort-Martrou Transporter Bridge) | In use during the summer. This bridge may be seen in the film The Young Girls of Rochefort. |
| Aerial Lift Bridge | Duluth, Minnesota | United States | 1905 | 120 m (390 ft) | 41.1 m (135 ft) | 69.5 m (228 ft) | No | 46°46′44″N 92°5′34″W﻿ / ﻿46.77889°N 92.09278°W﻿ / 46.77889; -92.09278﻿ (Aerial Lift Bridge) | No longer a transporter bridge; converted into a lift bridge in 1929, in use. |
| Newport Transporter Bridge | Newport | United Kingdom | 1906 | 196.6 m (645 ft) | 50 m (160 ft) | 73.6 m (241 ft) | No The bridge is closed for restoration work and the construction of the new visitor centre. | 51°34′14″N 2°59′8″W﻿ / ﻿51.57056°N 2.98556°W﻿ / 51.57056; -2.98556﻿ (Newport Transporter Bridge) | Currently [2023] closed again for repairs and construction of the new visitor centre with a planned Summer 2024 reopening. Appears in the film Tiger Bay. |
| Osten Transporter Bridge | Osten | Germany | 1909 | 80 m (260 ft) | 30 m (98 ft) | 38 m (125 ft) | Yes | 53°41′39″N 9°10′58″E﻿ / ﻿53.69417°N 9.18278°E﻿ / 53.69417; 9.18278﻿ (Osten Transporter Bridge) | In use, but only as a tourist attraction. |
| Middlesbrough Transporter Bridge | Middlesbrough | United Kingdom | 1911 | 180 m (590 ft) | 49 m (161 ft) | 68 m (223 ft) | No. The bridge has been closed for essential repairs and maintenance. | 54°35′4″N 1°13′40″W﻿ / ﻿54.58444°N 1.22778°W﻿ / 54.58444; -1.22778﻿ (Middlesbrough Transporter Bridge) | Refitted motors in 2010. Still in use, not in high winds |
| Rendsburg High Bridge | Rendsburg | Germany | 1913 | 140 m (460 ft) | 42 m (138 ft) | 68 m (223 ft) | Yes | 54°17′37″N 9°40′56″E﻿ / ﻿54.29361°N 9.68222°E﻿ / 54.29361; 9.68222﻿ (Rendsburg High Bridge) | Only known combo railroad/transporter bridge. Gondola was destroyed in a collision with a ship in 2016, but has been replaced by an exact replica in 2022. |
| Puente Transbordador Nicolás Avellaneda | Buenos Aires/Dock Sud | Argentina | 1914 | 103.6 m (340 ft) | 43.5 m (143 ft) | 52 m (171 ft) | Yes | 34°38′18″S 58°21′22″W﻿ / ﻿34.63833°S 58.35611°W﻿ / -34.63833; -58.35611﻿ (Puente Transbordador) | In use. It was closed in 1960 but was restored and reopened in September 2017. |
| Warrington Transporter Bridge | Warrington | United Kingdom | 1916 | 57 m (187 ft) | 23 m (75 ft) | 27 m (89 ft) | No | 53°23′1″N 2°36′27″W﻿ / ﻿53.38361°N 2.60750°W﻿ / 53.38361; -2.60750﻿ (Warrington Transporter Bridge) | Disused. Originally for rail wagons. Converted for road vehicles in 1940. Listed as an "ancient monument", but still at risk. (One of two originally at this site; the other, from 1905 did not survive.) |
| Puente Nicolás Avellaneda | Buenos Aires/Dock Sud | Argentina | 1940 | 60 m (197 ft) | 21 m (69 ft) (not lifted), 43 m (141 ft) (lifted) | 57 m (187 ft) | Yes | 34°38′17″S 58°21′21″W﻿ / ﻿34.63806°S 58.35583°W﻿ / -34.63806; -58.35583﻿ (Puente Nicolás Avellaneda) | Transporter bridge below a liftable section of a vertical lift bridge. Since 1960 only used, when the road on the bridge is closed for maintenance work. |
| Royal Victoria Dock Bridge | London | United Kingdom | 1998 | 128 m (420 ft) | 15 m (49 ft) | 45 m (148 ft) | No | 43°19′23″N 3°1′1″W﻿ / ﻿43.32306°N 3.01694°W﻿ / 43.32306; -3.01694﻿ (Royal Victoria Dock Bridge) | Designed to allow use as a transporter bridge but currently only in use as a high-level footbridge. |
| Erlebnisbrücke | Near Mönchengladbach | Germany | 2003 | 10 m (33 ft) | | | Yes | 51°14′17.1″N 6°28′28.52″E﻿ / ﻿51.238083°N 6.4745889°E﻿ / 51.238083; 6.4745889﻿ (Erlebnisbrücke) | Small human-powered transporter bridge. |
| Hamrštejn Footbridge | Liberec and Chrastava, over Lusatian Neisse | Czech Republic | 2010 | 23 m (75 ft) | | | Yes | 50°47′16.5″N 14°58′13″E﻿ / ﻿50.787917°N 14.97028°E﻿ / 50.787917; 14.97028﻿ (Hamrštejn Bridge) | Small human-powered transporter bridge. |

### Historic bridges

| Bridge | Location | Country | Completed | Span | Notes |
| Messrs. Crosfield’s Transporter Bridge 53°23′11.72″N 2°36′22.96″W﻿ / ﻿53.3865889°N 2.6063778°W﻿ / 53.3865889; -2.6063778﻿ (Messrs. Crosfield’s Transporter Bridge Transporter Bridge) | Warrington | United Kingdom | 1905 | 76 m | demolished |
| Bizerta/Brest Transporter Bridge | Bizerta | Tunisia | 1898 | 109 m | Moved to Brest, France in 1909, damaged 1944, demolished 1947. |
| Bordeaux Transporter Bridge | Bordeaux | France | — | 400 m (total) | Started 1910, but never completed. Demolished, 1942. |
| Devil's Dyke Transporter Bridge | Devil's Dyke | United Kingdom | 1894 | 198 m | Demolished, 1909. |
| Kiel Transporter Bridge 54°19′19″N 10°09′43″E﻿ / ﻿54.321944°N 10.161944°E﻿ / 54.321944; 10.161944 | Kiel | German Empire | 1910 | 128 m | Demolished, 1923. |
| Maarsserbrug | Maarssen | The Netherlands | 1938 | 88 m | Fixed bridge for regular traffic with transporter for agricultural usages, removed in 1959. |
| Marseille Transporter Bridge 43°17′39″N 5°21′49″E﻿ / ﻿43.294184°N 5.363646°E﻿ / 43.294184; 5.363646 | Marseille | France | 1905 | 165 m | Destroyed, 1944. |
| Nantes Transporter Bridge 47°12′31″N 1°33′57″W﻿ / ﻿47.208516°N 1.565756°W﻿ / 47.208516; -1.565756 | Nantes | France | 1903 | 141 m | Demolished, 1958. |
| Puente Transbordador Presidente Sáenz Peña | Buenos Aires | Argentina | 1913 | | Demolished, 1965. |
| Puente Transbordador Presidente Urquiza | Buenos Aires | Argentina | 1915 | | Demolished, 1968. |
| Ponte Alexandrino de Alencar 22°53′46″S 43°10′35″W﻿ / ﻿22.896171°S 43.176345°W﻿ / -22.896171; -43.176345 | Rio de Janeiro | Brazil | 1915 | 171 m | Demolished, 1935. |
| Rouen Transporter Bridge | Rouen | France | 1898 | 142 m | Destroyed, 1940. |
| Sky Ride | Chicago, Illinois | United States | 1933 | 564 m | Demolished, 1934. |
| Knoxville Transporter Bridge | Knoxville, Tennessee | United States | 1894 | | Demolished. |
| Widnes-Runcorn Transporter Bridge 53°20′47.76″N 2°44′10.68″W﻿ / ﻿53.3466000°N 2.7363000°W﻿ / 53.3466000; -2.7363000﻿ (Widnes-Runcorn Transporter Bridge) | Widnes-Runcorn | United Kingdom | 1905 | 304 m | Demolished, 1961. |