APPROACHING THE DESTINATION ARPT THE PLT WAS ADVISED BY AURORA LOCAL CONTROL THAT THE ONLY AVAILABLE LANDING AREA WAS ANUNLIGHTED TAXIWAY, DESIGNATED TEMPORARY RWY 9/27, USED AS A DAY VFR RWY. USE OF THE TEMPORARY RWY AFTER SUNSET WAS NOT AUTHORIZED, & THE PLT WAS ADVISED THAT ALL ARPT LIGHTING, WITH THE EXCEPTION OF THE ROTATING BEACON, WILL BE OFF. THE PLT WAS ALSO ADVISED THAT LANDING ON THE TEMPORARY RWY WOULD BE AT THE PLT'S OWN RISK. THE ACFT TOUCHED DOWN 490 FT SHORT, & NORTH OF THE TAXIWAY, CONTINUED FOR ABOUT 325 FT PARALLELING THE TAXIWAY, ACROSS THE N/S TAXIWAY & STRUCK FOUR TAXI LIGHTS, VEERED LEFT & CROSSED THE N/S RWY, CROSSED THE SE CORNER OF THE TEMPORARY RWY, & OVER A GULLEY AT WHICH POINT THE LEFT MAIN GEAR SEPARATED. THE TOWER HAD ISSUED A NOTAM DATED 9/2/83, EFFECTIVE 9/6/83, ADVISING OF THE CONSTRUCTION & LANDING RESTRICTIONS. TO THE BEST OF THE PLT'S RECOLLECTION HE DID NOT ASK FSS FOR A NOTAM CHECK DURING HIS PREFLIGHT BRIEFING, NOR DID THE FSS ADVISE THE PLT OF THE NOTAM.