Based on the information available, AHRA - Railroad Bridge Rec Site is a boat ramp located at latitude 38.92272289300007 and longitude -106.16962695099994 in Colorado. The boat ramp provides access to the Arkansas River, which is a popular destination for boating and fishing enthusiasts.

The width of the boat ramp is not available in the provided information, but it is likely to be wide enough to accommodate a range of watercraft. The boat ramp is managed by the Arkansas Headwaters Recreation Area (AHRA), which is a division of the Colorado Parks and Wildlife Department.

According to the AHRA website, the Arkansas River is open to a wide range of watercraft, including kayaks, rafts, canoes, and motorized boats. However, it is important to note that some sections of the river may be restricted to certain types of watercraft, depending on the water level and other factors.

In summary, AHRA - Railroad Bridge Rec Site is a boat ramp located in Colorado that provides access to the Arkansas River. The boat ramp is managed by the Arkansas Headwaters Recreation Area, and it is open to a range of watercraft, including kayaks, rafts, canoes, and motorized boats. However, restrictions may apply depending on the section of the river and other factors.