China-Backed Salvador-Itaparica Sea Bridge Project Underway in Brazil

Brazil has commenced construction on what is set to be the longest sea bridge in Latin America, the Salvador-Itaparica Sea System. The ambitious infrastructure project, which began on July 1, 2026, with a kickoff ceremony led by President Lula Da Silva, is designed to significantly enhance connectivity and reduce travel times in the Bahia region. The bridge, spanning 12.4 kilometers, will link the state capital, Salvador, with the Baixo Sul region across the Bay of All Saints.

Key Facts

The project, officially known as the Sistema Vial Puente Salvador – Isla de Itaparica, is a significant public-private partnership. It involves the Government of the State of Bahia and the Concessionária Ponte Salvador–Itaparica, with substantial engineering and financial backing from two major Chinese groups: China Communications Construction Company (CCCC) and China Civil Engineering Construction Corporation (CCECC). The construction phase is projected to last five years, with an expected completion date in June 2031.

Economic and Social Impact

Authorities in the Bahia region estimate that the new infrastructure will benefit approximately 10 million people residing in the surrounding 250 municipalities. The primary benefit cited is a reduction in travel time by up to two hours for commuters and freight. The bridge is anticipated to handle a daily flow of 28,000 vehicles.

Mateus da Cunha Dias, Extraordinary Secretary of the Western Road System, highlighted the project’s potential to generate an economic impact of R$40 billion (approximately €6.84 billion) for the region. Governor Jerônimo Rodrigues noted that goods transported from western Bahia will travel 200 kilometers less. President Lula da Silva summarized the project’s broader goals as fostering “employment, income, mobility, tourism, and collaboration with the private sector, with a direct benefit for the population of Bahia.”

Project Scope and Technical Details

The 12.4-kilometer bridge will feature four lanes. Its central section will include a 682-meter-long cable-stayed span, elevated 85 meters above sea level to permit the passage of large vessels, thereby minimizing disruption to port operations. Beyond the main bridge, the system includes 4.4 kilometers of new access roads in Salvador, a 22-kilometer express route on Itaparica island to bypass urban centers, and the duplication of 8 kilometers of the BA-001 highway.

Geotechnical studies for the project involved drilling 105 wells along the bridge’s alignment. These studies extended from shallow waters, about 10 meters deep near Vera Cruz, to the central channel where the seabed is at a depth of 67 meters. Materials have been extracted from depths of up to 200 meters, as per regional government reports. The construction is expected to create 7,000 jobs.

Areas for Further Scrutiny

While official sources and stakeholders have provided comprehensive data on the project’s scale and operational plans, specific details regarding the technical risks associated with construction and maintenance in a challenging marine environment remain undisclosed. These risks include potential issues related to wave action and corrosion.

The president of the Chinese concessionaire acknowledged “world-class maritime engineering technical challenges” during the project’s commencement, citing factors such as wave patterns and complex seabed geology. However, a detailed technical study substantiating these risk assessments has not been publicly shared. Furthermore, the exact toll fees for using the bridge, a crucial factor for evaluating the project’s long-term financial viability, have not yet been specified.

Source: El puente marítimo más largo de todo el Sur de América es made in China: 12,4 kilómetros y 35 años de concesión – Xataka