There are no specific requirements. They must be on an accessible route and within appropriate reach ranges. This could mean the requirement of a compliant curb ramp or ramp depending on the circumstances. The accessible route must be a minimum of 36” wide and a 30×48 clear floor space is required at the accessible mail boxes.
Thank you for reaching out. While not ideal it could be possible to design a ramp that will comply with the ADA requirements. There is no explicit provision prohibiting a curved ramp. The specific issue will be getting the cross slope correct such that you don’t end up with a wheel off the ground.
There is no requirement for how you use the box from an ADA standpoint. The only requirement for a pedestrian approach would be a clear floor space, accessible route, and reach ranges to the boxes. If it were a drive-up approach only, then none of these conditions would be required. It is possible to have the USPS do door delivery … READ MORE