Context of the project<\/h2><\/div>The existing bridge<\/a>, which links Bonab\u00e9ri to Douala, was built in the 1950\u2019s. Despite recent restoration works, the structure becomes obsolete and undersized, generating important traffic problems.\u00a0The new bridge will enable to secure and improve the traffic flow on this critical roadway for the Cameroonian economy.<\/p>\n<\/div>Description of the project<\/h2><\/div>Awarded to a joint venture that includes Soletanche Bachy, the design-build project involves a gently curved 760 metre long structure comprising a six-lane road deck and a twin-track railway deck. The decks, with 135 metre spans, are made up of arch segments cast in place and will constitute a technical benchmark.<\/p>\n<\/div>
Our solution<\/h2><\/div>The two decks rest on five single-beam piers set in the river. They supported by fifty 2.5 metre diameter injected piles<\/a> anchored at a depth of nearly 70 metres. The land foundations<\/a>, with a depth of about 45 metres, will consist of forty 1.5 metre diameter piles.<\/p>\n<\/div>![](\"https:\/\/www.soletanche-bachy.com\/wp-content\/uploads\/sites\/18\/2023\/08\/CAMEROUN_06_2016_PONT_YOURI_050\u00a9vigouroux-slider-1024x436.jpg\")
<\/span><\/li>![](\"https:\/\/www.soletanche-bachy.com\/wp-content\/uploads\/sites\/18\/2023\/08\/1368_Pont-sur-le-Wouri@Alain-Ngann-slider-1024x436.jpg\")
<\/span><\/li>![](\"https:\/\/www.soletanche-bachy.com\/wp-content\/uploads\/sites\/18\/2023\/08\/DSC1236\u00a9Alain-Ngann-slider-1024x436.jpg\")
<\/span><\/li>![](\"https:\/\/www.soletanche-bachy.com\/wp-content\/uploads\/sites\/18\/2023\/08\/IMG_20170920_164250-slider-1024x436.jpg\")
<\/span><\/li><\/ul><\/div><\/div><\/div><\/div>Type of project:<\/h3><\/div>![\"Bridge\"](\"https:\/\/www.soletanche-bachy.com\/wp-content\/uploads\/sites\/18\/2023\/03\/Pont.png\")
<\/a><\/span>Bridge<\/h4><\/div><\/div><\/div>Location:<\/h3><\/div>Cameroon<\/p>\n<\/div>
Subsidiary of Soletanche Bachy:<\/h3><\/div>Soletanche Bachy International<\/p>\n<\/div>
Project owner:<\/h3><\/div>Cameroon Ministries of Procurement Contract<\/p>\n<\/div>
Prime contractor:<\/h3><\/div>Louis Berger & Sept<\/p>\n<\/div>
Consortium:<\/h3><\/div>Soletanche Bachy International – Sogea-Satom<\/a><\/p>\n<\/div>Works period:<\/h3><\/div>02\/2013 \u2013 04\/2017<\/p>\n<\/div>
Types of techniques:<\/h3><\/div>![\"Icon](\"https:\/\/www.soletanche-bachy.com\/wp-content\/uploads\/sites\/18\/2023\/03\/Bored-pile.png\")
<\/a><\/span>Bored piles<\/h4><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>Key figures of the project<\/p><\/h2><\/div>
<\/div><\/div><\/div><\/div><\/div><\/div>0<\/span>m<\/span><\/div>length<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>0<\/span><\/div>large diameter piles<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>Related techniques<\/h2><\/div><\/div><\/div><\/i>See all the techniques<\/span><\/a><\/div><\/div><\/div>- <\/span><\/a><\/span>
LDA pile<\/a><\/h3><\/div><\/div><\/div><\/div><\/div> Soletanche Bachy presents its full range of piles: bored piles. LDA (Large Diameter Auger) piles, [...]<\/p><\/div>
<\/i>Find out more<\/span><\/a><\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t![\"\"](\"https:\/\/www.soletanche-bachy.com\/wp-content\/uploads\/sites\/18\/2022\/05\/Capture-decran-2025-11-07-025723.png\")
\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n<\/div><\/div><\/li>\n<\/ul><\/div><\/div><\/div><\/div><\/div><\/div><\/div>Our projects<\/h2><\/div><\/div><\/div><\/i>See all our projects<\/span><\/a><\/div><\/div><\/div>
The existing bridge<\/a>, which links Bonab\u00e9ri to Douala, was built in the 1950\u2019s. Despite recent restoration works, the structure becomes obsolete and undersized, generating important traffic problems.\u00a0The new bridge will enable to secure and improve the traffic flow on this critical roadway for the Cameroonian economy.<\/p>\n<\/div> Awarded to a joint venture that includes Soletanche Bachy, the design-build project involves a gently curved 760 metre long structure comprising a six-lane road deck and a twin-track railway deck. The decks, with 135 metre spans, are made up of arch segments cast in place and will constitute a technical benchmark.<\/p>\n<\/div> The two decks rest on five single-beam piers set in the river. They supported by fifty 2.5 metre diameter injected piles<\/a> anchored at a depth of nearly 70 metres. The land foundations<\/a>, with a depth of about 45 metres, will consist of forty 1.5 metre diameter piles.<\/p>\n<\/div> Cameroon<\/p>\n<\/div> Soletanche Bachy International<\/p>\n<\/div> Cameroon Ministries of Procurement Contract<\/p>\n<\/div> Louis Berger & Sept<\/p>\n<\/div> Soletanche Bachy International – Sogea-Satom<\/a><\/p>\n<\/div> 02\/2013 \u2013 04\/2017<\/p>\n<\/div> Key figures of the project<\/p><\/h2><\/div> Soletanche Bachy presents its full range of piles: bored piles. LDA (Large Diameter Auger) piles, [...]<\/p><\/div>Description of the project<\/h2><\/div>
Our solution<\/h2><\/div>
<\/span><\/li><\/span><\/li><\/span><\/li><\/span><\/li><\/ul><\/div>Type of project:<\/h3><\/div>
<\/a><\/span>Bridge<\/h4><\/div><\/div><\/div>
Location:<\/h3><\/div>
Subsidiary of Soletanche Bachy:<\/h3><\/div>
Project owner:<\/h3><\/div>
Prime contractor:<\/h3><\/div>
Consortium:<\/h3><\/div>
Works period:<\/h3><\/div>
Types of techniques:<\/h3><\/div>
<\/a><\/span>Bored piles<\/h4><\/div><\/div><\/div>
Related techniques<\/h2><\/div><\/div><\/div>
LDA pile<\/a><\/h3><\/div>
\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n<\/div><\/div><\/li>\n<\/ul>Our projects<\/h2><\/div><\/div><\/div>
![](\"https:\/\/www.soletanche-bachy.com\/wp-content\/uploads\/sites\/18\/2023\/09\/CH_25012011_014_Digue-Cusset_C.Helsy-vignette.jpg\")
<\/a><\/span><\/div><\/div><\/li>\n![](\"https:\/\/www.soletanche-bachy.com\/wp-content\/uploads\/sites\/18\/2023\/08\/3205-Trial-First-HC05-Barge-ABS_juin17-vignette.jpg\")
<\/a><\/span><\/div><\/div><\/li>\n![](\"https:\/\/www.soletanche-bachy.com\/wp-content\/uploads\/sites\/18\/2023\/08\/k20120719_8155\u00a9-MVB-Andras-Nemeth_Vignette.jpg\")
<\/a><\/span><\/div><\/div><\/li>\n<\/ul><\/div><\/div><\/div><\/div><\/div>