Storey has not featured since late November while 25-year-old left-back Devera had to be withdrawn after just 31 minutes of the 0-0 draw at Leyton Orient in midweek.
Meanwhile Charlton loanee Danny Hollands has returned to The Valley for treatment after being ruled out for a month after picking up a fifth metatarsal stress fracture in the 2-0 win over Shrewsbury.
Centre-back Troy Archibald-Henville is still sidelined following a knee operation and treatment.
Victory over Crawley would extend the Robins' unbeaten run to nine games.
Paulo Di Canio's men currently sit just six points below the automatic promotion places in npower League Two.M