Police say the 27-year-old's motorcycle left the carriageway on Goxhill Road, Barrow-upon-Humber.
Humberside Police say the 27-year-old male rider's injuries are life-threatening.
In Barrow-upon-Humber, a tribute has been unveiled to John Harrison, 250 years after his death.
The plan failed when the owner of an Airbnb, used by the conspirators, became suspicious.
The hut near West Marsh Lane in Barton-upon-Humber has been burnt to the ground.
Fascinating photos of Lincolnshire prisoners from the 1870s have gone on display for the first time.
BT wants to remove the facilities from Kirton in Lindsey and Barrow upon Humber.
The man sustained fatal injuries and died at the scene, police say.
