This project involved inventory and detailed inspection of 10,320 bridges in 2010, 2011 and 2012, including overpasses, underpasses, footbridges and culverts at least ten-feet wide.
The structures are owned and operated by the government office “Secretaria General de Conservación y Explotación”, Ministry of Public Works of Spain. They are located along the south and north region of the country, in up to 23 spanish provinces, such as, Madrid, Valencia, Guadalajara, Castellón, Huesca, Zaragoza, Castellón, La Rioja, Cuenca, Badajoz, Avila, Segovia, Ciudad Real, Cáceres, etc..
The inspections consisted of a detailed visual inspection of each structure and production of inspection reports, including completion of inspection forms, photo captioning and recommendations prioritizing repairs and maintenance needs.
A significant number of bridges spanning flows of water, such as rivers, channels, brooks, creeks, etc, required a detailed follow-up inspection to evaluate the interaction between watercourse and structure, especially its foundations.