PA28 PLT LANDED ON RWY THAT WAS UNDER CONSTRUCTION.

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FLT WAS LCL WITH THE PURPOSE OF ALLOWING A FRIEND (NOT LICENSED) TO CONTINUE GETTING FLT EXPERIENCE. I USED FT WORTH FSS TO GET THE RECORDED DFW 50 MI FORECAST AND CURRENT CONDITIONS. FLT PATH WAS PLANNED TO GO FROM GKY TO 4T6 TO F41; AND FROM THERE; 'UP IN THE AIR' (ARPT HOPPING/NAV) TOWARDS ATHENS (F44). I ELECTED TO DO A LNDG AT HALL (K00) AFTER MY PAX HAD LANDED AT 4T6 AND F41. BEING A DIRT RWY; TREES AT RWY 17 (APCH RWY) I SET UP FOR PRACTICING SOFT FIELD LNDG/TOUCH AND GO. AFTER I CLRED THE TREES; I TOUCHED DOWN. AT THAT POINT WE SAW THE CTRLINE OF THE RWY WAS DUG UP; WITH A 1 TO 1 1/2 FT MOUND OF DIRT ALONG THE RWY. I IMMEDIATELY PUT IN FULL PWR AND GOT AIRBORNE AGAIN. THEN; ABOUT 10-20 DEGS OF R AILERON WAS NEEDED FOR STRAIGHT AND LEVEL. UPON LNDG AT GKY; MY L INNER FLAP WAS BENT UP; AND L ELEVATOR BENT AND PUNCTURED. I CALLED FSS AND THEY SAID K00 NOTAMED CLOSED FOR 90 DAYS EFFECTIVE MAY/XA/00. HOWEVER; THE RWY WAS NOT X'ED OUT. PROB: FOR LCL FLTS; I (AND MOST PLTS) DON'T GET FULL BRIEFS. I DID NOT HAVE THE NOTAM; BUT ALSO DID NOT DECIDE TO GO THERE UNTIL INFLT. PROB: RWY WAS NOT MARKED AS CLOSED. WHAT IF THIS HAD BEEN A BRIEFED XCOUNTRY WITH AN ENG OUT AND THIS WAS THE NEAREST ARPT? SUGGESTION: WHY CAN'T THE AUTOMATED FSS RECORDINGS (LIKE HERE; 50 NM OF DFW; ACT; GGG; ABI; LVS) ETC; ALSO HAVE OPTIONS FOR LISTENING TO NOTAMS FOR THE SELECTED AREA? I HATE TO TIE UP A BRIEFER ON A VMC DAY FOR LCL FLTS; AND USUALLY USE THE TWEBS INSTEAD. EXPENSIVE LESSON; BUT AT LEAST MINOR DAMAGE; NO INJURIES.