Launch Conditions
Use cautionLaunch with caution — limited daylight.
- Advisories
- None active
- Daylight
- Sunset 8:57 PM — under 2h
Live from the National Weather Service, USGS, and NOAA. A guide, not a substitute for official forecasts and your own judgment.
Launch Light & Moon — August 1
local timeWaning Gibbous (87% illuminated). Good fishing outlook — the moon is approaching a major phase.
Location
Quick Facts: Mayflower Bridge
| Location | Montana |
|---|---|
| Waterbody | Jefferson River |
| Access Type | Public - Free |
| Coordinates | 45.857954, -112.015919 |
| Hours | Check on site |
| County | Madison |
Mayflower Bridge is a public boat launch providing access to Jefferson River in Montana at coordinates 45.85795, -112.01592. Data published by Montana Fish, Wildlife and Parks (MT FWP).
Mayflower Bridge is a public boat launch on Jefferson River in Madison County, Montana. As a public launch it is open to all boaters; state- and county-run ramps like this are typically free or charge only a modest day-use fee. This page shows sunrise, sunset, and moon-phase times for the launch, updated automatically. There are 4 other mapped boat ramps within about 15 miles if conditions here aren't right.
Related: boat launch in Madison • fishing access on Jefferson River • Montana boat launch
Explore more boat launches across Montana
Buying or selling a boat?
Decode any boat's HIN free, or run a full $9.99 history report before you buy.
Frequently Asked Questions About Mayflower Bridge
Is Mayflower Bridge free to use?
Yes, Mayflower Bridge is a public boat launch with free access in Montana.
What water does Mayflower Bridge access?
Mayflower Bridge provides boat launch access to Jefferson River in Montana.
How do I get to Mayflower Bridge?
Mayflower Bridge is located at coordinates 45.857954, -112.015919 in Montana. Use the "Get Directions" buttons on this page to navigate with Google Maps or Apple Maps.
Get Directions
Navigate directly to this boat launch using your preferred mapping service:
Alternative Boat Launches Nearby
4 additional boat launches are located within 13.3 mi of Mayflower Bridge, providing alternative access points for this area's waters.