Motorcyclist Dies Weeks After Crash Near Swan Valley

UPDATE: Monday, November 3, 2025

SWAN VALLEY, Idaho (KIFI) - Idaho State Police say a 69-year-old man from Idaho Falls has died from injuries he sustained in a motorcycle crash near Swan Valley last month.

The crash happened around 4:56 p.m. on October 9, 2025, near milepost 372 on U.S. Highway 26. Investigators say the man was riding a 1997 Harley Davidson westbound when he failed to negotiate a curve, sending the motorcycle off the road.

He was critically injured and life-flighted to a local hospital, while his 68-year-old passenger — also from Idaho Falls — was taken by ground ambulance. Neither was wearing a helmet.

Authorities confirmed the man succumbed to his injuries on October 29.

The Bonneville County Sheriff’s Office, Swan Valley Ambulance, and Swan Valley Fire assisted Idaho State Police at the scene.

UPDATE:

SWAN VALLEY, Idaho (KIFI) — All lanes of U.S. Highway 26 are currently shut down west of Swan Valley following a serious motorcycle crash near the Snake River Bridge.

Emergency crews are on the scene, and traffic is stopped in both directions.

The crash involved a motorcycle with two occupants. A man, identified as being over 60 years old, was life-flighted from the scene by air ambulance, according to the Swan Valley Fire Department. The motorcycle passenger was transported by ground ambulance to Eastern Idaho Regional Medical Center (EIRMC).

There is no indication at this time as to the cause of the crash. Motorists are being advised by ITD and law enforcement to expect delays and to use caution in the area.

This is a developing news story. Local News 8 will update this story with more details as they become available.