423:
65:
90:
910:
48:
920:
430:
97:
72:
875:
870:
529:
524:
519:
701:
1179:
884:
781:
1272:
1231:
746:
696:
771:
726:
686:
631:
611:
561:
541:
1287:
1236:
636:
621:
454:
449:
741:
736:
661:
641:
596:
571:
556:
551:
479:
364:
1196:
1149:
786:
761:
691:
676:
656:
646:
626:
616:
586:
566:
546:
536:
514:
499:
494:
464:
1241:
1129:
1089:
766:
731:
721:
681:
671:
666:
651:
606:
601:
591:
509:
504:
489:
459:
1201:
1191:
1174:
1154:
880:
776:
756:
751:
706:
484:
474:
469:
444:
1186:
1104:
1014:
822:
791:
716:
581:
1139:
1134:
1004:
807:
576:
1246:
1206:
1099:
1074:
812:
1226:
1164:
1144:
1119:
1109:
1094:
1084:
1069:
1049:
1019:
1009:
999:
847:
837:
832:
1251:
1221:
1114:
1054:
1029:
1024:
994:
984:
1169:
1124:
1064:
1039:
989:
1211:
1079:
1044:
1216:
1159:
1059:
1034:
842:
827:
852:
357:
1297:
913:
817:
711:
373:
350:
894:
890:
412:
402:
1282:
236:
118:
1292:
923:
64:
130:
397:
89:
956:
973:
279:
251:
34:
243:. It was built in 1922, and is a 220-foot-long (67 m) three-span bridge, with a 128-foot-long (39 m) main span. It crosses the
1277:
298:
244:
240:
194:
949:
934:
392:
342:
942:
407:
387:
323:
284:
919:
199:
200:
Highway
Bridges Owned by the Commonwealth of Pennsylvania, Department of Transportation TR
299:"National Historic Landmarks & National Register of Historic Places in Pennsylvania"
212:
1266:
324:"National Register of Historic Places Inventory Nomination Form: Colwell Cut Viaduct"
302:
117:
Legislative Route 66 over the
Pittsburg and Shawmut Railroad southwest of Seminole,
47:
232:
145:
132:
429:
301:. CRGIS: Cultural Resources Geographic Information System. Archived from
1273:
Road bridges on the
National Register of Historic Places in Pennsylvania
1288:
National
Register of Historic Places in Armstrong County, Pennsylvania
969:
965:
274:
938:
346:
231:, also known as Hogback Hill Bridge, is a historic concrete
374:
US National
Register of Historic Places in Pennsylvania
1298:
Open-spandrel deck arch bridges in the United States
863:
800:
437:
403:
History of the
National Register of Historic Places
380:
218:
205:
193:
185:
177:
169:
161:
124:
113:
950:
358:
8:
96:
71:
957:
943:
935:
365:
351:
343:
46:
1283:Bridges in Armstrong County, Pennsylvania
35:U.S. National Register of Historic Places
263:
275:"National Register Information System"
269:
267:
18:
1293:Concrete bridges in the United States
7:
974:National Register of Historic Places
876:Native American archaeological sites
280:National Register of Historic Places
252:National Register of Historic Places
14:
918:
909:
908:
428:
421:
95:
88:
70:
63:
119:Mahoning Township, Pennsylvania
245:Pittsburg and Shawmut Railroad
241:Armstrong County, Pennsylvania
207:
1:
871:European archaeological sites
104:Show map of the United States
16:United States historic place
891:National Historic Landmarks
1314:
1278:Bridges completed in 1922
980:
904:
419:
322:T.R. Sitler (July 1982).
206:NRHP reference
181:Concrete Steel Bridge Co.
57:
52:Colwell Cut Viaduct, 1982
45:
41:
32:
25:
21:
186:Architectural style
79:Show map of Pennsylvania
393:Keeper of the Register
408:National Park Service
388:Contributing property
306:(Searchable database)
285:National Park Service
250:It was listed on the
146:40.93694°N 79.36306°W
229:Colwell Cut Viaduct
151:40.93694; -79.36306
142: /
27:Colwell Cut Viaduct
189:Open-spandrel arch
165:less than one acre
1260:
1259:
932:
931:
398:Historic district
237:Mahoning Township
226:
225:
1305:
1237:Washington, D.C.
959:
952:
945:
936:
922:
912:
911:
432:
425:
424:
367:
360:
353:
344:
337:
336:
334:
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328:
316:
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307:
295:
289:
288:
271:
209:
157:
156:
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143:
140:
139:
138:
135:
105:
99:
98:
92:
80:
74:
73:
67:
50:
19:
1313:
1312:
1308:
1307:
1306:
1304:
1303:
1302:
1263:
1262:
1261:
1256:
976:
963:
933:
928:
900:
859:
796:
438:Lists by county
433:
427:
426:
422:
417:
376:
371:
341:
340:
331:
329:
326:
321:
311:
309:
305:
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287:. July 9, 2010.
273:
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150:
148:
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141:
136:
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109:
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100:
83:
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78:
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53:
37:
28:
17:
12:
11:
5:
1311:
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1275:
1265:
1264:
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1257:
1255:
1254:
1249:
1244:
1239:
1234:
1229:
1224:
1219:
1214:
1209:
1204:
1199:
1197:South Carolina
1194:
1189:
1184:
1183:
1182:
1172:
1167:
1162:
1157:
1152:
1150:North Carolina
1147:
1142:
1137:
1132:
1127:
1122:
1117:
1112:
1107:
1102:
1097:
1092:
1087:
1082:
1077:
1072:
1067:
1062:
1057:
1052:
1047:
1042:
1037:
1032:
1027:
1022:
1017:
1012:
1007:
1002:
997:
992:
987:
981:
978:
977:
964:
962:
961:
954:
947:
939:
930:
929:
927:
926:
916:
905:
902:
901:
899:
898:
888:
878:
873:
867:
865:
861:
860:
858:
857:
856:
855:
850:
845:
840:
835:
830:
825:
815:
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804:
802:
798:
797:
795:
794:
789:
784:
779:
774:
769:
764:
759:
754:
749:
744:
739:
734:
729:
724:
719:
714:
709:
704:
702:Northumberland
699:
694:
689:
684:
679:
674:
669:
664:
659:
654:
649:
644:
639:
634:
629:
624:
619:
614:
609:
604:
599:
594:
589:
584:
579:
574:
569:
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559:
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549:
544:
539:
534:
533:
532:
527:
522:
512:
507:
502:
497:
492:
487:
482:
477:
472:
467:
462:
457:
452:
447:
441:
439:
435:
434:
420:
418:
416:
415:
413:Property types
410:
405:
400:
395:
390:
384:
382:
378:
377:
372:
370:
369:
362:
355:
347:
339:
338:
320:This includes
290:
262:
261:
259:
256:
224:
223:
220:
216:
215:
210:
203:
202:
197:
191:
190:
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167:
166:
163:
159:
158:
126:
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115:
111:
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94:
93:
87:
86:
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84:
69:
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62:
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60:
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55:
54:
51:
43:
42:
39:
38:
33:
30:
29:
26:
23:
22:
15:
13:
10:
9:
6:
4:
3:
2:
1310:
1299:
1296:
1294:
1291:
1289:
1286:
1284:
1281:
1279:
1276:
1274:
1271:
1270:
1268:
1253:
1250:
1248:
1245:
1243:
1242:West Virginia
1240:
1238:
1235:
1233:
1230:
1228:
1225:
1223:
1220:
1218:
1215:
1213:
1210:
1208:
1205:
1203:
1200:
1198:
1195:
1193:
1190:
1188:
1185:
1181:
1178:
1177:
1176:
1173:
1171:
1168:
1166:
1163:
1161:
1158:
1156:
1153:
1151:
1148:
1146:
1143:
1141:
1138:
1136:
1133:
1131:
1130:New Hampshire
1128:
1126:
1123:
1121:
1118:
1116:
1113:
1111:
1108:
1106:
1103:
1101:
1098:
1096:
1093:
1091:
1090:Massachusetts
1088:
1086:
1083:
1081:
1078:
1076:
1073:
1071:
1068:
1066:
1063:
1061:
1058:
1056:
1053:
1051:
1048:
1046:
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1041:
1038:
1036:
1033:
1031:
1028:
1026:
1023:
1021:
1018:
1016:
1013:
1011:
1008:
1006:
1003:
1001:
998:
996:
993:
991:
988:
986:
983:
982:
979:
975:
971:
967:
960:
955:
953:
948:
946:
941:
940:
937:
925:
921:
917:
915:
907:
906:
903:
896:
892:
889:
886:
882:
879:
877:
874:
872:
869:
868:
866:
862:
854:
851:
849:
846:
844:
841:
839:
836:
834:
831:
829:
826:
824:
821:
820:
819:
816:
814:
811:
809:
806:
805:
803:
801:Lists by city
799:
793:
790:
788:
785:
783:
780:
778:
775:
773:
770:
768:
765:
763:
760:
758:
755:
753:
750:
748:
745:
743:
740:
738:
735:
733:
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728:
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723:
720:
718:
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690:
688:
685:
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668:
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663:
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645:
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633:
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628:
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623:
620:
618:
615:
613:
610:
608:
605:
603:
600:
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595:
593:
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588:
585:
583:
580:
578:
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573:
570:
568:
565:
563:
560:
558:
555:
553:
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548:
545:
543:
540:
538:
535:
531:
528:
526:
523:
521:
518:
517:
516:
513:
511:
508:
506:
503:
501:
498:
496:
493:
491:
488:
486:
483:
481:
478:
476:
473:
471:
468:
466:
463:
461:
458:
456:
453:
451:
448:
446:
443:
442:
440:
436:
431:
414:
411:
409:
406:
404:
401:
399:
396:
394:
391:
389:
386:
385:
383:
379:
375:
368:
363:
361:
356:
354:
349:
348:
345:
325:
319:
308:on 2007-07-21
304:
300:
294:
291:
286:
282:
281:
276:
270:
268:
264:
257:
255:
253:
248:
246:
242:
238:
234:
230:
222:June 22, 1988
221:
219:Added to NRHP
217:
214:
211:
204:
201:
198:
196:
192:
188:
184:
180:
176:
172:
168:
164:
160:
155:
127:
123:
120:
116:
112:
91:
66:
56:
49:
44:
40:
36:
31:
24:
20:
1202:South Dakota
1192:Rhode Island
1175:Pennsylvania
1155:North Dakota
895:Philadelphia
818:Philadelphia
782:Westmoreland
712:Philadelphia
330:. Retrieved
317:
310:. Retrieved
303:the original
293:
278:
249:
228:
227:
1187:Puerto Rico
1105:Mississippi
1015:Connecticut
924:NRHP portal
864:Other lists
823:Center City
747:Susquehanna
697:Northampton
235:located at
233:arch bridge
149: /
125:Coordinates
1267:Categories
1232:Washington
1140:New Mexico
1135:New Jersey
1005:California
808:Pittsburgh
772:Washington
727:Schuylkill
687:Montgomery
632:Lackawanna
612:Huntingdon
562:Cumberland
542:Clearfield
332:2012-08-24
312:2012-08-24
258:References
137:79°21′47″W
134:40°56′13″N
1247:Wisconsin
1207:Tennessee
1100:Minnesota
1075:Louisiana
848:Southwest
838:Northwest
833:Northeast
813:Lancaster
637:Lancaster
622:Jefferson
455:Armstrong
450:Allegheny
254:in 1988.
1227:Virginia
1165:Oklahoma
1145:New York
1120:Nebraska
1110:Missouri
1095:Michigan
1085:Maryland
1070:Kentucky
1050:Illinois
1020:Delaware
1010:Colorado
1000:Arkansas
914:Category
742:Sullivan
737:Somerset
662:Lycoming
642:Lawrence
597:Franklin
572:Delaware
557:Crawford
552:Columbia
480:Bradford
213:88000796
178:Built by
114:Location
1252:Wyoming
1222:Vermont
1180:covered
1115:Montana
1055:Indiana
1030:Georgia
1025:Florida
995:Arizona
985:Alabama
972:on the
970:tunnels
966:Bridges
885:covered
881:Bridges
787:Wyoming
762:Venango
692:Montour
677:Mifflin
657:Luzerne
647:Lebanon
627:Juniata
617:Indiana
587:Fayette
567:Dauphin
547:Clinton
537:Clarion
515:Chester
500:Cameron
495:Cambria
465:Bedford
1170:Oregon
1125:Nevada
1065:Kansas
1040:Hawaii
990:Alaska
767:Warren
732:Snyder
722:Potter
682:Monroe
672:Mercer
667:McKean
652:Lehigh
607:Greene
602:Fulton
592:Forest
510:Centre
505:Carbon
490:Butler
460:Beaver
381:Topics
1212:Texas
1080:Maine
1045:Idaho
843:South
828:North
777:Wayne
757:Union
752:Tioga
707:Perry
530:South
525:North
485:Bucks
475:Blair
470:Berks
445:Adams
327:(PDF)
318:Note:
170:Built
1217:Utah
1160:Ohio
1060:Iowa
1035:Guam
968:and
853:West
792:York
717:Pike
582:Erie
520:East
173:1922
162:Area
577:Elk
239:in
208:No.
195:MPS
1269::
283:.
277:.
266:^
247:.
958:e
951:t
944:v
897:)
893:(
887:)
883:(
366:e
359:t
352:v
335:.
315:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
