Crewe will assess Max Clayton ahead of the midweek tie.
England Under-19 forward Clayton sustained a toe injury during Saturday's 1-1 draw at Leyton Orient but is expected to be passed fit to feature in the Northern Area semi-final.
Elsewhere, Alex boss Steve Davis has no other selection concerns after son Harry overcame illness to be named as a defensive option among the substitutes at Brisbane Road.
The Railwaymen overcame Doncaster on penalties in the previous round and are now three games away from a return to Wembley, where they triumphed in the League Two play-off final last May.
Crewe were 1-0 winners when the two sides met at Gresty Road last March, with Davis junior scoring the decisive penalty.
Bradford defender James Meredith will miss out after he was diagnosed with glandular fever.
Australian Meredith is expected to be out for several weeks, so new loan signing from Southampton Ryan Dickson should continue at left-back after making his debut on Saturday.
Manager Phil Parkinson is expected to make several changes for the area quarter-final tie with right-back Stephen Darby (foot), winger Will Atkinson and defender Rory McArdle (both knocks) likely to be rested.
Blair Turgott, on loan from West Ham, and fellow winger Kyel Reid could return to the starting line-up, striker andy Gray may continue after his second debut for the club on Saturday and goalkeeper Jon McLaughlin is hoping for a recall in place of Matt Duke.
Forward James Hanson (toe) and winger Garry Thompson (knee) will not be included in the squad, but are hoping to be back in time for the league game at leaders Port Vale next weekend.