Investigators believe the bones might have been there for a couple of years.
Detroit Police say they were informed of the remains from a homeless person. The discovery is about a block east of the Ambassador Bridge.
The bone had three teeth attached and two had fillings, police said.
Human remains found near a Lansing freeway have been identified as those of a 33-year-old man missing since June.
Skeletal remains found at the bottom of a southeastern Michigan quarry have been identified as those of a 27-year-old woman missing since March.
The skeletal remains found at least 35 feet from the top of the quarry’s edge in an area where there’s no water.
The discovery was made Thursday morning at The Ashley, formerly known as the Milner Hotel, in downtown Detroit.
Police say a human skull found in a dumpster outside a metro Detroit apartment complex was accidentally discarded.
A tenant at Warren Manor on Dequindre near 8 Mile Road made the grisly discovery.
Police say tree trimmers found the decomposed human remains while working in an alley on Detroit’s east side.