Historically, timber bridges always have played an important role for people in crossing the water barriers, depth valleys or other obstacles. The history of timber bridges in Latvia begin in 9th century and continue till nowadays. Golden age for timber bridges in Latvia was the period from the end of 19 century till the II World War. In that time Latvia had high qualified bridge engineers which were able to design and build interesting bridge structures. Today’s achievements in timber protection systems, new joining methods, possibility to produce the glued timber structures with clearly indicated properties, will return the timber as structural material in bridge construction industry.