Defender available for weekend trip to Fleetwood.
Briggs missed the midweek game with Oldham with an ankle injury after being on the end of a robust challenge at Peterborough United last Saturday.
Moncur will also be back in the squad after missing the 0-0 draw with the Latics, meaning the U's are in good shape for the game at Highbury Stadium.
Skipper Chris Porter will also travel with the U's to their latest away game but, whilst he is expected to join in training on the way up to Lancashire, the match is likely to come too soon for his return to match action.
The U's won 3-2 in dramatic fashion at Fleetwood last season and they'll be looking for more of the same this weekend.
U's: Parish, Lewington, Vincent-Young, Briggs, Brindley, Eastman, Wynter, Kent, Elokobi, Olufemi, Edwards, Ambrose, Gilbey, Moncur, Massey, Szmodics, Wright, Bonne, Porter, Sembie-Ferris
The U's take on Scunthorpe in their next home game. Get your tickets now at the Saver rate - click HERE to buy!