Attention! Due to COVID-19, NAACC requires all surveyors to follow the safety protocols outlined in this document Safety Protocols for surveying during the pandemic

There are many characteristics of road-stream crossings to assess and standardizing methodologies allows us to compare across states.

Learn about the following existing and potential future NAACC assessment modules as well as other assessment approaches used by partners by clicking on the tabs on the left.

• Aquatic Connectivity in tidal and non-tidal streams
• Terrestrial Connectivity
• Risk of Failure (Culvert Condition/ Hydraulics / Geomorphology)
• Criticality