Viaduct over the A1 at Nó de Carvalhos, connecting to the Carvalhos Stº Ovídio Subsection of the North Highway
Mixed structure deck, with reinforced concrete slab deck consisting of prefabricated panels and two metal coffins, with a total width of 16.1m, a maximum span of 62.0m and a length of 350m.
Client:  Brisa, Auto Estradas de Portugal, SA.
2009 Project

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Viaducts over Ribeira do Vale Baeta at the junction between the A10 and the A13
Two viaducts with a ribbed slab deck measuring 13.5 m wide, 1.5 m high and 30.0 m spans, with lengths of 138 m and 198 m. Pillars/pile measuring 1.5 m in diameter, with a maximum height above the ground of 12.0 m.
Client:  Brisa, Auto Estradas de Portugal, SA.
2002 project 
Entry into service in 2004

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Viaduct over the Ribeiro da California on the Almeirim/Marateca Highway - A13, Pegões/Marateca Subsection
Two ribbed slab decks with a width of 14.5 m, height of 1.10 m, spans of 24.0 m and a length of 182 m.
Pillars/pile measuring 1.2 m in diameter, with a maximum height above the ground of 8.0 m. 
Client:  Brisa, Auto Estradas de Portugal, SA.
2000 project 
Entry into service in 2002

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Messejana Viaduct on the Auto-estrada do Sul - A2, Subsection Aljustrel/Castro Verde
Two beamed slab decks with a width of 18.2 m, height of 2.50 m, spans of 35.0 m and a total length of 266 m.
Pillars with a maximum free height of 19 m and direct foundation.
Client:  Brisa, Auto Estradas de Portugal, SA.
1999 project 
Entry into service in 2001

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Recosta Viaduct on the Porto-Valença Highway – A3, Ponte de Lima Subsection / E:N. 303
Two beamed slab decks with widths of 17.5 and 15.0 m, height of 2.20 m, spans of 33.0 m and a total length of 317 m.
Columns with prestressed beams with a maximum headroom of 29 m and direct foundation.
Client:  Brisa, Auto Estradas de Portugal, SA.
Project: 1995
Entry into service: 1997