Construction of the Léopold-Sédar-Senghor bridge.

Structure with 4 metallic arch spans (number:  4) and a mixed steel and concrete deck with a total length of approximately 300 metres, crossing the Loire river at the Pirmil arm. River piers  (piers P1 to P4) each supported by four 1,600 diameter piles and required to withstand impacts of ships.

Designs drawn up in accordance with EUROCODES regulations.

Photos: Christine CHAUDAGNE

Bridge crossing the Pirmil arm.

Year
Company of civil engineering
BOUYGUES TP REGION FRANCE (ex QUILLE)
Location
Nantes (44)
Project owner
NANTES METROPOLE COMMUNAUTE URBAINE DE NANTES
Project manager
MARC MIMRAM - MAP - STUCKY
Missions

Working designs

Type
Engineering structures
Cost of the work
23 000 000 € HT
40 years of cooperation in the service of construction