Bridge Crossings And The Proper Use Of EX-TEND®, FLEX-TEND®, And Force Balanced FLEX-TEND Products

Bridges can serve as very convenient structures for routing utility piping over obstacles such as rivers, canyons, or highways. Where allowed, there can be multiple lines utilizing the crossing. Of particular interest for this discussion is the locating of pressurized water lines on and under bridge structures. Pressurized pipelines can present a number of unique challenges to the design engineer and utility owner.