Fadon Ingeniería, S.L. is an engineering company based on the experience of more than fourty five years of Civil Engineer Santiago Pérez-Fadón, in the company of engineering Euroestudios and the construction company Ferrovial-Agroman.

The company began work on 01 January 2016 and is totally independent, so it can work for any of the actors in the sector: Administrations, Engineering Companies or Constructors.


Santiago Pérez-Fadón Martinez: General manager.


Name: Santiago Perez-Fadón Martínez

Date of birth: 26 July 1945

Languages: Spanish, English and French


Engineer of Roads, Channels and Ports (Spanish Civil Engineer) by School of Madrid. 1971

Graduate in economics by On Line Education National University (UNED). 1981


College of Engineers of Roads, Channels and Ports (Civil Engineers Spanish). He has different positions in various legislatures and he has belonged to several of its committees.

Association Engineers of Roads Channels and Ports.

Scientific-Technical Association of Structural Concrete (ACHE), he has been vocal of the Board of Management in various legislatures. He has belonged to several of its work committees.

Concrete International Federation (fib). He has belonged to different commissions on different legislatures.

Spanish society of Geotechnics.

Highways technical Association (ATC). Spanish branch of International Permanent Association of Roads Congresses (PIARC).

Spanish Association of the Road. (AEC).


Honor Medal of the College of Roads, Channels and Ports Engineers (Spanish Civil Engineer).

Honor Medal of the Structural Concrete Scientific-Technical Association (ACHE).

Honor Medal of the Spanish Association of the Road. (AEC).

Icarus Award 2017. For all his bridges projects during professional life. Bridges Department of the Engineering School of Roads, Channels and Ports of La Coruña.

ALE 2016 Award to all professional life.


Agustín de Betancourt 2003 Award for the best public work. Arch of Los Tilos, La Palma Island, Canary Islands.

Innovation Award of the community of Madrid 1999. For bridge of composite segments (Concrete and Steel) over Nacional II.

Construmat 1997:  Civil Engineering Award. Ricobayo Composite Arch, Zamora.

Construmat 1993: The construction process.  Launch lintels, viaduct Benalmadena, Malaga.

International Award Puente de Alcantara 1988. The Cruzul viaduct. Becerrea, Galicia.

Construmat 1987: Specific Mention: Bridge to Arosa Island, Galicia.


Many conferences on bridges and highways, in several institutions of roads and bridges.

Many publications in magazines of the Engineering Sector.

Annual conferences of Bridges in the School of Engineers of Roads, Channels and Ports (Spanish Civil Engineer) in the School of Madrid. 1971.

Assistant Professor of Ports in its origins between 1971 and 1973 at the School of Engineers of Roads, Channels and Ports (Spanish Civil Engineer) in the School of Madrid. 1971.


In 2016 he founded his own consulting company: Fadón Engineering S.L.

In 1998 he was appointed Technical Director of Ferrovial-Agromán National and International for all specialties. Since then until 2015 was responsible for projects and technical problems for: roads, railways, bridges, ports, hydraulic, building structures, electrical and mechanical treatment plants, and the environment. From this period are his most important bridges projects: bridge to Arosa Island constructed with self-launching Falsework. Constructed by segmental cantilever: Cruzul Viaduct in Los Nogales, Galicia, bridge over the Ebro River in Benifallet, etc. Segment Bridges Span by Span placed: Bridge over the Miño River. Bridge Composite Segments in Alcala de Henares over the N II highway traffic. Composite Ricobayo Arch, Zamora. Several Bridges Desk Pushed for the Spanish High Speed Railway. Los Tilos Arch, Span record of Spain at the time of its inauguration (255 m), La Palma Island, Canary Islands. Stay Cable Bridges: Marbella Bridge, Malaga. Segura Bridge, Murcia. Extradosed Bridge: Vistula River, Kwidzyn, Poland. Extradosed Bridge: River Erne Ireland. Stay Cable Bridge: Nippigon, Canada. Innovation: Erques Bowstring with the arch tubes filled with expansive concrete. Tenerife Island, Canary Islands. Tender Design of Messina Bridge. Record World Suspended Bridge.  

In 1993 he was appointed Technical Director of civil works for Ferrovial-Agroman. From that time are his main highway projects: Motorway of La Costa del Sol (Malaga-Estepona-Guadiaro), Madrid-4 Radial highway, Ocaña La Roda Highway. Azores highway, Dallas USA Motorways (North Tarrant Express 35w and Lyndon Baines Johnson Motorway 35E and 635, Toronto Highway ETR 407, Canada. etc.)

In 1981 He moved from the engineering company Euroestudios, S. A. to construction company Ferrovial, S. A. and from that date until 1992 is Deputy Technical Director for civil engineering work mainly dedicated to projects of bridges and highways projects.

From 1977 to 1980 he was in roads department Euroestudios, S.A. at different levels. In this period he made numerous roads projects. Particularly in since 1977 until 1978 he directed the Burgos Málzaga motorway project. In 1979 he was named head of the Roads speciality at Euroestudios, S.A.

Between 1974 and 1976 directs one of the bridges projects Department at Euroestudios and it begins projecting Bilbao - Behobia motorway bridges and then projected many others.

Since 1971 until 1973 is a period of training through various specialties of projects at Euroestudios, S.A.: Bridges, ports, geotechnical engineering, computing and layout of roads.