To be sure, Liberty Memorial bridge has 285 feet of vertical clearance.
PROJECT DETAILS The original Bridge across the Missouri River in Bismarck ND was constructed in 1922 at a cost of $1.374 million. This bridge was christened the Liberty Memorial Bridge in honor of the North Dakota World War I soldiers. In 2006, work commenced on a replacement bridge. The bridge...
www.epoxyinterestgroup.org
At least 150 feet is needed for relatively reliable fatality. The bridge is higher than the notorious Golden Gate Bridge (250 feet). Only 2% of Golden Gate Bridge jumpers failed.
Whilst jumping from height can be a very effective method of suicide (providing it is from sufficient height), it does not account for a particularly high percentage of suicides in either the US or the UK. Having said that, in Honk Kong it accounted for over half of all suicides in 20061, so...
lostallhope.com
In conclusion, I think this is reliable. If you are not going to bet on 98%, jumping is not your method.
It's true that a woman survived a 33,000 feet fall.
Vesna VuloviÄ thought JAT Flight 367 would be like any other. Instead, she found herself falling out of the sky and miraculously surviving.
allthatsinteresting.com
It's still possible that jumping at an ideal location doesn't work. SN, N, hanging or other methods can fail too. This fact is indeed stirring unease. But still we are making large efforts to minimize the failure risk and potential harm. Survival cases get on the news because they are very rare. Please stay rational, inform yourself, and choose what you really want. Whatever you decide, I hope you find your peace.