Bosa (ankle) is listed as questionable for Sunday's game against the Steelers, Nick Wagoner of ESPN.com reports.

Ward (hand) is listed as questionable for Sunday's matchup with the Steelers, Nick Wagoner of ESPN.com reports.

Tartt (toe) is listed as questionable for Sunday's game against the Steelers, Nick Wagoner of ESPN.com reports.

Coach Kyle Shanahan said Ford (quadriceps) is listed as questionable for Sunday's game versus the Steelers, Eric Branch of the San Francisco Chronicle reports. "He's still not there yet. We'll see how these next 48 hours go," Shanahan said.

Hurd (back) has been ruled out for Sunday's game against Pittsburgh, with the 49ers hoping to get him back for Week 5, Nick Wagoner of ESPN.com reports.

Coleman (ankle) did some light rehab work Thursday without a protective boot, Matt Maiocco of NBC Sports Bay Area reports.