Trailhead: East Fork Parking, then follow instructions listed below to get to Heaton Flat. The Lower San Gabriel Canyon Trailhead is at the end of Heaton Flat.
Trail: Bridge to Nowhere via East Fork parking, Heaton Flat, and Lower San Gabriel Canyon.
Stats: 10.2 miles, 1200′ of gain and loss.

Track map for East Fork to Bridge to Nowhere from January 2015 using Backcountry Navigator (US Forest Service-2013 map) from my phone.
Last Hiked: 1-22-2015
Trail Segments: From the East Fork parking area, follow Heaton Road down to Heaton Flat. Walk through Heaton Flat to reach the trailhead for the Lower San Gabriel Canyon Trail and follow that to the Bridge to Nowhere. Expect several crossings of the San Gabriel River.
Points of Interest: Bridge to Nowhere
Photos: Lower San Gabriel Canyon Trail