鐵幢(chuang)建在高1.42米的(de)石臺上。臺呈束腰形(xing),以九層石塊砌成,邊(bian)緣雕(diao)有(you)云蓮(lian)紋(wen)。
鐵(tie)經(jing)幢(chuang)(chuang)(chuang)(chuang)作(zuo)圓(yuan)(yuan)柱形,上(shang)小下大(da),高(gao)4.335米,重1520.8千克。其(qi)(qi)底部直(zhi)(zhi)徑 0.9米。最下為二層圓(yuan)(yuan)形基(ji)座,外周(zhou)(zhou)分(fen)別鑄(zhu)有(you)(you)浮雕(diao)半身(shen)力士像(xiang) 8尊和釋(shi)迦牟(mou)尼坐(zuo)像(xiang)10尊,并(bing)飾(shi)有(you)(you)金(jin)剛杵(chu)狀花(hua)紋和虎龍紋飾(shi)。基(ji)座之上(shang)為仰覆蓮(lian)(lian)瓣以(yi)承(cheng)(cheng)(cheng)托幢(chuang)(chuang)(chuang)(chuang)身(shen)。第(di)一層幢(chuang)(chuang)(chuang)(chuang)身(shen)被鑄(zhu)出(chu)的(de)豎立直(zhi)(zhi)線劃分(fen)為八(ba)等分(fen),每一等分(fen)內(nei)鑄(zhu)有(you)(you)陰文募(mu)修(xiu)人(ren)姓(xing)名(ming)及所舍錢財數字。上(shang)置寶(bao)蓋(gai)承(cheng)(cheng)(cheng)受第(di)二層幢(chuang)(chuang)(chuang)(chuang)身(shen),寶(bao)蓋(gai)飾(shi)凸出(chu)的(de)連珠(zhu)紋。第(di)二層幢(chuang)(chuang)(chuang)(chuang)身(shen)形狀與第(di)一層相(xiang)同,亦鑄(zhu)募(mu)修(xiu)人(ren)名(ming)及舍錢數等,其(qi)(qi)上(shang)以(yi)仰蓮(lian)(lian)承(cheng)(cheng)(cheng)第(di)三(san)層幢(chuang)(chuang)(chuang)(chuang)身(shen)。第(di)三(san)層有(you)(you) 3個長方形孔,將幢(chuang)(chuang)(chuang)(chuang)身(shen)分(fen)成三(san)部分(fen),面積較(jiao)大(da)的(de)一部分(fen)鑄(zhu)《般若波羅蜜多心經(jing)》,其(qi)(qi)余兩部分(fen)鑄(zhu)捐(juan)獻造幢(chuang)(chuang)(chuang)(chuang)人(ren)姓(xing)名(ming)及官職。其(qi)(qi)上(shang)作(zuo)八(ba)角攢(zan)尖屋頂(ding)式(shi),檐角各有(you)(you)一穿孔,可作(zuo)系鈴之用。再上(shang)以(yi)雙(shuang)重仰蓮(lian)(lian)承(cheng)(cheng)(cheng)第(di)4層幢(chuang)(chuang)(chuang)(chuang)身(shen)。第(di)4層中鑄(zhu)一門(men)(men),門(men)(men)上(shang)有(you)(you)凸起的(de)門(men)(men)釘,門(men)(men)頂(ding)作(zuo)圓(yuan)(yuan)拱形。右(you)門(men)(men)上(shang)端(duan)有(you)(you)“郎(lang)愿……”,左門(men)(men)有(you)(you)“皇帝萬歲”等字,門(men)(men)的(de)周(zhou)(zhou)圍鑄(zhu)字已(yi)銹蝕不(bu)清。其(qi)(qi)上(shang)仍作(zuo)八(ba)角攢(zan)尖屋頂(ding)形式(shi),最上(shang)以(yi)仰蓮(lian)(lian)承(cheng)(cheng)(cheng)剎桿和三(san)重相(xiang)輪,相(xiang)輪上(shang)飾(shi)直(zhi)(zhi)列(lie)的(de)水波紋。頂(ding)端(duan)原(yuan)置有(you)(you)寶(bao)瓶,已(yi)佚。