The collision occurred at approximately 8.30am on Sunday 2 August 2015, when a pedal cycle heading towards Grassington, from the direction of Pateley Bridge, collided with the bridge throwing the rider over the bridge into the stream below.
The rider of the pedal cycle, 41 year old man, received fatal injuries.
The Roads Policing Group is appealing for anyone who witnessed the collision to contact them.
Anyone with information is asked to call North Yorkshire Police on 101, select option 2 and ask for Traffic Constable Martin Mulcaster, or email Martin.Mulcaster@northyorkshire.pnn.police.uk or MCIT@northyorkshire.pnn.police.uk
Please quote reference number 12150133243 when passing on information regarding this incident.