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The Luangwa Bridge is the only large bridge and the principal engineering challenge on
Zambia Zambia (), officially the Republic of Zambia, is a landlocked country at the crossroads of Central Africa, Central, Southern Africa, Southern and East Africa, although it is typically referred to as being in Southern Africa at its most cent ...
's
Great East Road The Great East Road is a major road in Zambia and the main route linking its Eastern Province with the rest of the country. It is also the major link between Zambia and Malawi and between Zambia and northern Mozambique.Terracarta: ''Zambia, 2nd ...
, crossing the lower
Luangwa River The Luangwa River is one of the major tributaries of the Zambezi River, and one of the four biggest rivers of Zambia. The river generally floods in the rainy season (December to March) and then falls considerably in the dry season. It is one of ...
where it flows from the Luangwa Rift Valley into the
Zambezi The Zambezi River (also spelled Zambeze and Zambesi) is the fourth-longest river in Africa, the longest east-flowing river in Africa and the largest flowing into the Indian Ocean from Africa. Its drainage basin covers , slightly less than hal ...
valley A valley is an elongated low area often running between Hill, hills or Mountain, mountains, which will typically contain a river or stream running from one end to the other. Most valleys are formed by erosion of the land surface by rivers ...
. The river is 250–400 m wide in this area, and though in the dry season it may be confined to a shallow channel meandering across sandbanks, at the end of the rainy season any bridge has to be able to withstand a full-width, deep and fast-moving flood. The Great East Road runs for most of its length on
watershed Watershed is a hydrological term, which has been adopted in other fields in a more or less figurative sense. It may refer to: Hydrology * Drainage divide, the line that separates neighbouring drainage basins * Drainage basin, called a "watershe ...
s at an
elevation The elevation of a geographic location is its height above or below a fixed reference point, most commonly a reference geoid, a mathematical model of the Earth's sea level as an equipotential gravitational surface (see Geodetic datum § Vert ...
of around 1000 m, but the river is at an elevation of 390 m at the bottom of the valley. The bridge approaches have to contend with steep rugged slopes and deep ravines covered in forest or thick bush; the area is remote and about 250 km from the nearest city,
Lusaka Lusaka (; ) is the Capital city, capital and largest city of Zambia. It is one of the fastest-developing cities in southern Africa. Lusaka is in the southern part of the central plateau at an elevation of about . , the city's population was ab ...
. The First Luangwa Bridge was built in Zambia's
colonial Colonial or The Colonial may refer to: * Colonial, of, relating to, or characteristic of a colony or colony (biology) Architecture * American colonial architecture * French Colonial * Spanish Colonial architecture Automobiles * Colonial (1920 au ...
era in 1932 as a narrow 300 m long wide steel and reinforced concrete deck on concrete piers and columns, financed, like the
Chirundu Bridge The Chirundu Bridge now consists of two road bridges side by side across the Zambezi River between the small town of Chirundu, Zambia and the village of Chirundu, Zimbabwe. At this location around 65 km downstream from the Kariba Dam the r ...
and
Beit Bridge Beitbridge is a border town in the province of Matabeleland South, Zimbabwe. The name also refers to the border post and bridge spanning the Limpopo River, which forms the political border between South Africa and Zimbabwe. The border on the S ...
by the Beit Trust. Its proximity to
Mozambique Mozambique (), officially the Republic of Mozambique ( pt, Moçambique or , ; ny, Mozambiki; sw, Msumbiji; ts, Muzambhiki), is a country located in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi ...
(about 2 km) and
Rhodesia Rhodesia (, ), officially from 1970 the Republic of Rhodesia, was an unrecognised state in Southern Africa from 1965 to 1979, equivalent in territory to modern Zimbabwe. Rhodesia was the ''de facto'' successor state to the British colony of S ...
(60 km), as well as its status as the only access point within the country for Zambia's Eastern Province, makes it strategically vulnerable in any conflict. After Zambia's
independence Independence is a condition of a person, nation, country, or state in which residents and population, or some portion thereof, exercise self-government, and usually sovereignty, over its territory. The opposite of independence is the statu ...
in 1964, President Kenneth Kaunda's support for freedom fighters in neighbouring countries led to the bridge being destroyed in revenge. The Second Luangwa Bridge (opened in 1968) was built quickly above the first, with aid from
Britain Britain most often refers to: * The United Kingdom, a sovereign state in Europe comprising the island of Great Britain, the north-eastern part of the island of Ireland and many smaller islands * Great Britain, the largest island in the United King ...
which had been the colonial power in Zambia. It is a
cable-stayed bridge A cable-stayed bridge has one or more ''towers'' (or ''pylons''), from which cables support the bridge deck. A distinctive feature are the cables or stays, which run directly from the tower to the deck, normally forming a fan-like pattern o ...
designed by Freeman Fox & Partners and built by the Redpath Dorman Long. It has a composite steel-reinforced concrete deck 9.8 m wide, two H-shaped steel pylons 42 m tall on two reinforced concrete piers, and steel cables. The main span is 222 m with approach spans of 40 m each. In 1979 the military of Zimbabwe-Rhodesia destroyed the bridge as well as the Chambeshi road and rail bridges in order to stop the planned invasion of their country by the Zimbabwe People's Revolutionary Army (ZIPRA). After another two decades of use, the bridge was rehabilitated under a project of th
National Road Fund Agency
funded b
Danish aid


References



accessed 18 February 2007 — see the picture gallery for photos of the bridge undergoing repairs.
Gabriel C Banda: ''Zambia Against Apartheid''
Study for ACTSA-JCTR, Lusaka, 2000 (references for sabotage in mid sixties and 1979). * H. C. N. Ridley: “Early History of Road Transport in Northern Rhodesia”, ''The
Northern Rhodesia Journal The ''Northern Rhodesia Journal'', often referred to simply as "NRJ", was produced between 1950 and 1965, by the Northern Rhodesian Government Printer, to record some of the early history of Northern Rhodesia. It is one of the most important sourc ...
'', Vol 2 No 5 (1954) — gives date and some details of the first bridge. {{Coord, 14, 58, 33.6, S, 30, 12, 45, E, type:landmark_region:ZM, display=title Bridges in Zambia Bridges completed in 1932 Bridges completed in 1968 Cable-stayed bridges