997:
852:
79:
54:
1095:
863:
1148:
86:
61:
109:
280:
upstream from this location in 1901. It was the world's longest two-track viaduct. The county built a pin-connected truss bridge to carry a county road over the river just downstream from this location in 1909. In 1913 it was chosen as part of the route of the
741:
285:, the nation's first transcontinental highway. Because of its narrow width of only 16 feet (4.9 m) and an increase in traffic, a new bridge was required. The Iowa State Highway Commission designed this bridge in 1927. It was composed of two riveted
836:
772:
756:
746:
1223:
831:
777:
1228:
1155:
1072:
418:
798:
700:
731:
665:
630:
705:
610:
570:
395:
670:
660:
655:
635:
751:
585:
500:
620:
615:
490:
710:
675:
580:
555:
695:
645:
625:
600:
590:
575:
565:
550:
530:
505:
495:
485:
715:
690:
595:
535:
515:
510:
480:
470:
650:
605:
545:
520:
475:
782:
680:
560:
525:
1258:
736:
685:
640:
540:
899:
448:
433:
1238:
388:
1243:
1189:
1132:
464:
297:
traffic until it was rerouted to the south. It carried a county road until it was replaced in the early 21st century, and dismantled. The bridge was listed on the
866:
381:
138:
1076:
856:
78:
892:
428:
1253:
1213:
1182:
1125:
1021:
53:
908:
404:
326:
298:
35:
289:
and two Parker through trusses. The contract to build the structure was awarded in
November 1927 to the A. Olson Construction Company of
272:
for 647 feet (197 m). The area in which this bridge was built was a pivotal transportation corridor in the early 20th century. The
885:
1208:
819:
273:
1037:
996:
966:
926:
1175:
1118:
1011:
1218:
951:
941:
213:
824:
803:
956:
1233:
946:
877:
1248:
961:
438:
981:
443:
423:
357:
331:
112:
1058:
986:
976:
971:
286:
205:
1053:
1016:
912:
1159:
1102:
353:
218:
373:
269:
116:
282:
936:
290:
231:
1202:
294:
277:
1094:
837:
University and college buildings listed on the
National Register of Historic Places
265:
126:
1147:
153:
140:
1156:
property in Boone County, Iowa on the
National Register of Historic Places
832:
List of jails and prisons on the
National Register of Historic Places
1073:
National
Register of Historic Places listings in Boone County, Iowa
293:
for $ 77,900. It was completed later in 1928. The bridge carried
321:
1224:
Road bridges on the
National Register of Historic Places in Iowa
881:
377:
1229:
National
Register of Historic Places in Boone County, Iowa
1163:
1106:
1046:
1030:
1004:
919:
812:
791:
765:
724:
457:
434:
History of the
National Register of Historic Places
411:
250:
242:
237:
224:
212:
201:
193:
185:
177:
169:
132:
122:
102:
85:
60:
465:List of U.S. National Historic Landmarks by state
857:National Register of Historic Places portal
1183:
1126:
893:
389:
8:
1259:Central Iowa Registered Historic Place stubs
1077:List of National Historic Landmarks in Iowa
1190:
1176:
1133:
1119:
900:
886:
878:
396:
382:
374:
1239:Parker truss bridges in the United States
1101:This article about a bridge in Iowa is a
405:U.S. National Register of Historic Places
36:U.S. National Register of Historic Places
1244:Pratt truss bridges in the United States
347:
345:
343:
341:
310:
322:"National Register Information System"
316:
314:
18:
1022:Carl and Ulrika Dalander Cassel House
7:
1144:
1142:
1091:
1089:
909:National Register of Historic Places
327:National Register of Historic Places
299:National Register of Historic Places
1162:. You can help Knowledge (XXG) by
1105:. You can help Knowledge (XXG) by
820:National Historic Preservation Act
274:Chicago and North Western Railroad
14:
927:Alonzo J. and Flora Barkley House
268:, United States. It spanned the
1146:
1093:
995:
952:Champlin Memorial Masonic Temple
862:
861:
850:
107:
84:
77:
59:
52:
773:Federated States of Micronesia
419:Architectural style categories
226:
1:
1254:Iowa bridge (structure) stubs
1214:Bridges in Boone County, Iowa
197:Iowa State Highway Commission
189:A. Olson Construction Company
93:Show map of the United States
34:Formerly listed on the
16:United States historic place
219:Highway Bridges of Iowa MPS
1275:
1141:
1088:
825:Historic Preservation Fund
804:American Legation, Morocco
1209:Bridges completed in 1928
1067:
993:
845:
766:Lists by associated state
264:was located southwest of
225:NRHP reference
46:
42:
32:
25:
21:
747:Northern Mariana Islands
202:Architectural style
942:Boone County Courthouse
962:Ericson Public Library
957:Des Moines Township #7
742:Minor Outlying Islands
725:Lists by insular areas
439:Keeper of the Register
1219:Truss bridges in Iowa
1154:This article about a
982:J.H. Riekenberg House
444:National Park Service
424:Contributing property
358:National Park Service
332:National Park Service
208:/Parker through truss
154:42.04222°N 93.93333°W
1059:Squaw Creek Bridge 2
987:Stoll Building Works
977:Perrigo-Holmes House
972:John H. Herman House
799:District of Columbia
1038:Beaver Creek Bridge
967:First National Bank
352:Clayton B. Fraser.
159:42.04222; -93.93333
150: /
1054:Squaw Creek Bridge
1017:Big Creek Bridge 2
913:Boone County, Iowa
173:less than one acre
1171:
1170:
1114:
1113:
1083:
1082:
875:
874:
429:Historic district
334:. March 13, 2009.
258:
257:
254:December 19, 2014
251:Removed from NRHP
238:Significant dates
1266:
1192:
1185:
1178:
1150:
1143:
1135:
1128:
1121:
1097:
1090:
1012:Big Creek Bridge
999:
902:
895:
888:
879:
865:
864:
855:
854:
853:
778:Marshall Islands
398:
391:
384:
375:
368:
367:
365:
364:
349:
336:
335:
318:
270:Des Moines River
228:
165:
164:
162:
161:
160:
155:
151:
148:
147:
146:
143:
117:Des Moines River
111:
110:
94:
88:
87:
81:
69:
68:Show map of Iowa
63:
62:
56:
19:
1274:
1273:
1269:
1268:
1267:
1265:
1264:
1263:
1234:Lincoln Highway
1199:
1198:
1197:
1196:
1140:
1139:
1086:
1084:
1079:
1063:
1042:
1026:
1000:
991:
915:
906:
876:
871:
851:
849:
841:
808:
787:
761:
720:
453:
407:
402:
372:
371:
362:
360:
351:
350:
339:
320:
319:
312:
307:
283:Lincoln Highway
158:
156:
152:
149:
144:
141:
139:
137:
136:
108:
98:
97:
96:
95:
92:
91:
90:
89:
72:
71:
70:
67:
66:
65:
64:
38:
28:
17:
12:
11:
5:
1272:
1270:
1262:
1261:
1256:
1251:
1246:
1241:
1236:
1231:
1226:
1221:
1216:
1211:
1201:
1200:
1195:
1194:
1187:
1180:
1172:
1169:
1168:
1151:
1138:
1137:
1130:
1123:
1115:
1112:
1111:
1098:
1081:
1080:
1068:
1065:
1064:
1062:
1061:
1056:
1050:
1048:
1044:
1043:
1041:
1040:
1034:
1032:
1028:
1027:
1025:
1024:
1019:
1014:
1008:
1006:
1002:
1001:
994:
992:
990:
989:
984:
979:
974:
969:
964:
959:
954:
949:
944:
939:
937:Boone Bridge 2
934:
929:
923:
921:
917:
916:
907:
905:
904:
897:
890:
882:
873:
872:
870:
869:
859:
846:
843:
842:
840:
839:
834:
829:
828:
827:
816:
814:
810:
809:
807:
806:
801:
795:
793:
789:
788:
786:
785:
780:
775:
769:
767:
763:
762:
760:
759:
757:Virgin Islands
754:
749:
744:
739:
734:
732:American Samoa
728:
726:
722:
721:
719:
718:
713:
708:
703:
698:
693:
688:
683:
678:
673:
668:
666:South Carolina
663:
658:
653:
648:
643:
638:
633:
631:North Carolina
628:
623:
618:
613:
608:
603:
598:
593:
588:
583:
578:
573:
568:
563:
558:
553:
548:
543:
538:
533:
528:
523:
518:
513:
508:
503:
498:
493:
488:
483:
478:
473:
468:
461:
459:
458:Lists by state
455:
454:
452:
451:
449:Property types
446:
441:
436:
431:
426:
421:
415:
413:
409:
408:
403:
401:
400:
393:
386:
378:
370:
369:
354:"Boone Bridge"
337:
309:
308:
306:
303:
291:Waterloo, Iowa
256:
255:
252:
248:
247:
244:
240:
239:
235:
234:
229:
222:
221:
216:
210:
209:
203:
199:
198:
195:
191:
190:
187:
183:
182:
179:
175:
174:
171:
167:
166:
134:
130:
129:
124:
120:
119:
104:
100:
99:
83:
82:
76:
75:
74:
73:
58:
57:
51:
50:
49:
48:
47:
44:
43:
40:
39:
33:
30:
29:
26:
23:
22:
15:
13:
10:
9:
6:
4:
3:
2:
1271:
1260:
1257:
1255:
1252:
1250:
1249:U.S. Route 30
1247:
1245:
1242:
1240:
1237:
1235:
1232:
1230:
1227:
1225:
1222:
1220:
1217:
1215:
1212:
1210:
1207:
1206:
1204:
1193:
1188:
1186:
1181:
1179:
1174:
1173:
1167:
1165:
1161:
1157:
1152:
1149:
1145:
1136:
1131:
1129:
1124:
1122:
1117:
1116:
1110:
1108:
1104:
1099:
1096:
1092:
1087:
1078:
1074:
1071:
1066:
1060:
1057:
1055:
1052:
1051:
1049:
1045:
1039:
1036:
1035:
1033:
1029:
1023:
1020:
1018:
1015:
1013:
1010:
1009:
1007:
1003:
998:
988:
985:
983:
980:
978:
975:
973:
970:
968:
965:
963:
960:
958:
955:
953:
950:
948:
947:Boone Viaduct
945:
943:
940:
938:
935:
933:
930:
928:
925:
924:
922:
918:
914:
910:
903:
898:
896:
891:
889:
884:
883:
880:
868:
860:
858:
848:
847:
844:
838:
835:
833:
830:
826:
823:
822:
821:
818:
817:
815:
811:
805:
802:
800:
797:
796:
794:
790:
784:
781:
779:
776:
774:
771:
770:
768:
764:
758:
755:
753:
750:
748:
745:
743:
740:
738:
735:
733:
730:
729:
727:
723:
717:
714:
712:
709:
707:
706:West Virginia
704:
702:
699:
697:
694:
692:
689:
687:
684:
682:
679:
677:
674:
672:
669:
667:
664:
662:
659:
657:
654:
652:
649:
647:
644:
642:
639:
637:
634:
632:
629:
627:
624:
622:
619:
617:
614:
612:
611:New Hampshire
609:
607:
604:
602:
599:
597:
594:
592:
589:
587:
584:
582:
579:
577:
574:
572:
571:Massachusetts
569:
567:
564:
562:
559:
557:
554:
552:
549:
547:
544:
542:
539:
537:
534:
532:
529:
527:
524:
522:
519:
517:
514:
512:
509:
507:
504:
502:
499:
497:
494:
492:
489:
487:
484:
482:
479:
477:
474:
472:
469:
466:
463:
462:
460:
456:
450:
447:
445:
442:
440:
437:
435:
432:
430:
427:
425:
422:
420:
417:
416:
414:
410:
406:
399:
394:
392:
387:
385:
380:
379:
376:
359:
355:
348:
346:
344:
342:
338:
333:
329:
328:
323:
317:
315:
311:
304:
302:
300:
296:
295:U.S. Route 30
292:
288:
284:
279:
278:Boone Viaduct
275:
271:
267:
263:
253:
249:
246:June 25, 1998
245:
243:Added to NRHP
241:
236:
233:
230:
223:
220:
217:
215:
211:
207:
204:
200:
196:
192:
188:
184:
180:
176:
172:
168:
163:
135:
131:
128:
125:
121:
118:
114:
105:
101:
80:
55:
45:
41:
37:
31:
24:
20:
1164:expanding it
1153:
1107:expanding it
1100:
1085:
1069:
932:Boone Bridge
931:
671:South Dakota
661:Rhode Island
656:Pennsylvania
636:North Dakota
361:. Retrieved
325:
262:Boone Bridge
261:
259:
123:Nearest city
27:Boone Bridge
792:Other areas
752:Puerto Rico
586:Mississippi
501:Connecticut
266:Boone, Iowa
157: /
133:Coordinates
127:Boone, Iowa
1203:Categories
701:Washington
621:New Mexico
616:New Jersey
491:California
363:2016-03-08
305:References
276:built the
142:42°02′32″N
113:US 30
1070:See also:
1047:Ridgeport
711:Wisconsin
676:Tennessee
581:Minnesota
556:Louisiana
301:in 1998.
194:Architect
181:1927-1928
145:93°56′0″W
115:over the
867:Category
696:Virginia
646:Oklahoma
626:New York
601:Nebraska
591:Missouri
576:Michigan
566:Maryland
551:Kentucky
531:Illinois
506:Delaware
496:Colorado
486:Arkansas
232:98000761
186:Built by
103:Location
813:Related
716:Wyoming
691:Vermont
596:Montana
536:Indiana
516:Georgia
511:Florida
481:Arizona
471:Alabama
1005:Madrid
651:Oregon
606:Nevada
546:Kansas
521:Hawaii
476:Alaska
412:Topics
1158:is a
1031:Ogden
920:Boone
783:Palau
681:Texas
561:Maine
526:Idaho
287:Pratt
206:Pratt
178:Built
1160:stub
1103:stub
1075:and
737:Guam
686:Utah
641:Ohio
541:Iowa
260:The
170:Area
106:Old
911:in
227:No.
214:MPS
1205::
356:.
340:^
330:.
324:.
313:^
1191:e
1184:t
1177:v
1166:.
1134:e
1127:t
1120:v
1109:.
901:e
894:t
887:v
467::
397:e
390:t
383:v
366:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
