Loures Valley viaduct

The Loures Valley viaduct has a length of 1614m. The valley topography, the height of the alignement and the high local seismicity advised to divide the viaduct in two independent sections each one being constituted by two parallel decks with a total width of 34.7m. Both viaducts were totally cast “in situ”. Both decks of […]

Labriosque Valley viaduct

The viaduct has a total length of 984m and crosses the Labriosque Valley at a maximum height of 45m. The viaduct’s superstructure is continuous and comprises two parallel decks with two end spans of 32,0m each and 23 intermediate spans of 40,0m. The total width of the viaduct is 28.2m. Each deck has two longitudinal […]

Longa River Bridge

The bridge forms part of the future motorway between Luanda and Lobito and it crosses the Longa River, around 40km north of Porto Amboím in Angola. The bridge is a bow-string steel arch which suspends the deck by steel cables. It has two access viaducts on both sides of the river. The main span of […]

Vasco da Gama Bridge

The Vasco da Gama Bridge across the Tagus estuary connects Alcochete on the south bank to Lisbon and Sacavém, close to Parque das Nações, where the Expo 98 exhibition was held. It is the longest crossing in Portugal and the second longest in Europe, with a total length of almost 18km of which 10km are […]

Arade River Bridge

The bridge is located on a coastal road in the Algarve crossing the Arade River 1km north of the coastal resort of Portimão. The bridge is a full suspension cable stayed bridge with a semi-fan arrangement of stays. The access viaducts have multiple 30m spans. The main span of the bridge is 256m long and […]

Miguel Torga Bridge

The Miguel Torga Bridge crosses the Douro Valley at a height of 90m in a hilly area with large rocky outcrops and of great natural richness, next to Régua, intersecting also the railway line of the Douro and two national roads. The bridge is 900m long and 25.70m wide and the alignment is curved in […]

4th of April Bridge

This bridge is part of the Highway between Benguela and Lobito and it crosses the Catumbela River, approximately 7km north from the Atlantic coast of Angola. The bridge is a full suspension cable stayed bridge with a semi-fan arrangement of stays. The main span of the bridge is 160m long and the two side spans […]

Barra do Kwanza New Bridge

The bridge forms part of the future motorway between Luanda and Lobito and it crosses the mouth of the Kwanza River, approximately 80km south of Luanda, Angola. The bridge is a full suspension cable stayed bridge with a semi-fan arrangement of stays. The main span of the bridge is 300m long and each of the […]

Queve River Bridge at Porto Amboím

The bridge forms part of the future motorway between Luanda and Lobito and it crosses the Queve River, approximately 15km south of Porto Amboím in Angola. The bridge is a full suspension cable stayed bridge with a semi-fan arrangement of stays. The length of the main span of the bridge is 248m with the two […]

Barra Bridge rehabilitation

The Barra Bridge in Aveiro has a total length of 620m. The abutments are 21m long, the length of each of the access viaducts is 249m and the bridge is 80m long. The deck was widened from 16.06m to 17.66m. The deck is composed of a prestressed concrete double box girder in the three central […]