NMFS-CC-BO-RRR-02

Waterbreaks on Roadways Standards

Maximum distance for waterbreaks shall not exceed the following standards; (1) for road or trail gradients less than 10%: 100 feet; (2) for road or trail gradients 11-25%: 75 feet; (3) for road or trail gradients 26% or greater: 50 feet. Depending on site-specific conditions, more frequent intervals may be required to prevent road surface erosion.