Based on the latest information available, the Saginaw River boat ramp is a concrete boat ramp located in Bay City, Michigan (latitude: 43.61460114, longitude: -83.87141418). It is owned and operated by the Michigan Department of Natural Resources.

The boat ramp is approximately 30 feet wide, with a gradual slope to the water's edge. It is suitable for launching small to medium-sized boats, including fishing boats, pontoon boats, and personal watercraft. However, it may not be suitable for larger boats or those with deep drafts.

The Saginaw River boat ramp provides access to the Saginaw River, which flows into Saginaw Bay and eventually Lake Huron. The river is known for its fishing opportunities, particularly for walleye, perch, and bass. It is also a popular spot for boating and water sports.

Overall, the Saginaw River boat ramp is a convenient and well-maintained facility for recreational boaters in the Bay City area. It is open year-round, although hours may vary depending on the season. It is recommended that boaters check the latest information and regulations before launching their craft.