It was carried out by the Netherlands Engineering Consultants of The Hague, Holland (NEDECO) in the 1950s, Between 1964 and 1965, French construction giant, Dumez, constructed the Niger Bridge and the 

Construction cost
₦336 Billion

The river Niger bridge was constructed in 1966.
The company that constructed it was the Dumez group,a french construction company.
And it cost about 17 million dollars.(£12 million)

1The River Niger Bridge at Onitsha was constructed between 1964 and 1965 by Dumez- a French construction company and cost £5 million.

The river Niger bridge at Onitsha was constructed between 1964 and 1965 by Dumez-a French construction

It cost $200,000 to build?Mr. MERIT yes,sir;would cost $200,000
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Mungo Park
In 1795 Mungo Park, a Scottish explorer discovered River Niger and the a theory about the origin of the river’s name is that it comes from the Tuareg n’eghirren meaning ‘flowing water.

River Niger Bridge was built in 1964-1965. It is notable as the link between South-Eastern Nigeria and Western Nigeria. Built by Dumez, the French…

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Julius Berger

The bridge was built in 1950 , by the french construstion company and it cost #330billons ✅to build, the bridge was completed in December 1965
Thank you

River Niger Bridge at onisha was constructed in between the year 1964-1965.By Dumez group,a French contraction company and it cost 5million pounds to construct it.