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4001 Bridge

Verified
Alcona County, Michigan, 48761→|Au Sable River→

Location

GPS Coordinates

About This Ramp

Hours
4:00am-11:00pm
Managed by
USFS
Parking
5 spaces
Contact
(231) 775-2421
USGS3 data sourcesUpdated Mar 2026

Nearby Ramps

Alcona County Park 1 (west)
Alcona Dam Pond
2.4 mi
Boat Ramp on Alcona Dam Pond
Alcona Dam Pond
2.6 mi
Alcona County Park 3 (east)
Alcona Dam Pond
3.2 mi
O'brien Lake
O'brien Lake
3.0 mi
Alcona County Park 2 (south)
Alcona Dam Pond
3.8 mi
More nearby ramps

4001 Bridge is a public boat ramp on Au Sable River in Alcona County, Michigan (48761). Managed by USFS. GPS coordinates: 44.6116°N, 83.8368°W.