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| Bridge Technology | ||
| FHWA >
Infrastructure >
Bridge >
Bridge Programs >
NBI |
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As of December 2005
| Year Built | 2001- 2005 |
1996- 1999 |
1991- 1995 |
1986- 1990 |
1981- 1985 |
1976- 1980 |
1971- 1975 |
1966- 1970 |
1961- 1965 |
1956- 1960 |
1951- 1955 |
1946- 1950 |
1941- 1945 |
1936- 1940 |
1931- 1935 |
1926- 1930 |
1921- 1925 |
1916- 1920 |
1911- 1915 |
1905- 1910 |
1904 and earlier |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Age | 0-4 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85-89 | 90-94 | 95-100 | >100 |
| ALABAMA | 684 | 803 | 1055 | 1108 | 1005 | 770 | 960 | 1399 | 1630 | 1595 | 1138 | 878 | 317 | 935 | 422 | 602 | 182 | 69 | 36 | 20 | 95 |
| ALASKA | 74 | 101 | 98 | 119 | 168 | 127 | 153 | 114 | 56 | 50 | 45 | 14 | 10 | 15 | 4 | 0 | 0 | 1 | 0 | 2 | 6 |
| ARIZONA | 280 | 449 | 432 | 741 | 486 | 531 | 496 | 910 | 777 | 489 | 336 | 222 | 75 | 342 | 339 | 160 | 30 | 42 | 9 | 5 | 49 |
| ARKANSAS | 951 | 1001 | 937 | 933 | 771 | 1056 | 922 | 1129 | 1020 | 738 | 552 | 547 | 171 | 534 | 391 | 700 | 59 | 42 | 10 | 11 | 1 |
| CALIFORNIA | 348 | 963 | 1027 | 1183 | 885 | 1357 | 2431 | 3918 | 3186 | 2334 | 1261 | 1151 | 322 | 869 | 527 | 757 | 387 | 273 | 185 | 73 | 45 |
| COLORADO | 362 | 749 | 912 | 976 | 694 | 489 | 533 | 707 | 705 | 653 | 237 | 296 | 66 | 376 | 263 | 134 | 42 | 24 | 14 | 15 | 5 |
| CONNECTICUT | 57 | 101 | 210 | 353 | 198 | 165 | 218 | 401 | 617 | 692 | 137 | 144 | 65 | 255 | 152 | 138 | 50 | 42 | 33 | 38 | 102 |
| DELAWARE | 21 | 78 | 87 | 66 | 44 | 74 | 73 | 97 | 86 | 50 | 32 | 15 | 4 | 22 | 27 | 20 | 12 | 15 | 6 | 2 | 18 |
| DIST. OF COL. | 0 | 2 | 0 | 0 | 1 | 1 | 10 | 23 | 72 | 38 | 15 | 17 | 19 | 16 | 13 | 3 | 1 | 1 | 3 | 7 | 4 |
| FLORIDA | 567 | 839 | 915 | 959 | 800 | 754 | 1329 | 1276 | 1483 | 1108 | 559 | 397 | 104 | 182 | 60 | 123 | 45 | 12 | 4 | 1 | 18 |
| GEORGIA | 465 | 733 | 1103 | 1209 | 963 | 1278 | 989 | 1308 | 1477 | 1602 | 904 | 808 | 227 | 601 | 351 | 295 | 95 | 43 | 20 | 9 | 8 |
| HAWAII | 7 | 13 | 21 | 25 | 55 | 49 | 113 | 167 | 93 | 70 | 69 | 43 | 24 | 82 | 71 | 82 | 37 | 26 | 35 | 7 | 15 |
| IDAHO | 142 | 166 | 216 | 219 | 228 | 397 | 467 | 519 | 538 | 389 | 232 | 135 | 23 | 112 | 106 | 93 | 22 | 26 | 14 | 9 | 0 |
| ILLINOIS | 1109 | 1693 | 2154 | 2403 | 2665 | 2183 | 1749 | 1767 | 2044 | 2060 | 841 | 474 | 199 | 663 | 686 | 622 | 418 | 259 | 131 | 489 | 1062 |
| INDIANA | 734 | 1290 | 1535 | 1577 | 1344 | 1294 | 1530 | 1729 | 1596 | 1367 | 368 | 445 | 166 | 597 | 514 | 701 | 343 | 436 | 149 | 258 | 299 |
| IOWA | 1224 | 1476 | 1333 | 1504 | 1556 | 2037 | 1860 | 1958 | 1638 | 2226 | 1729 | 1299 | 408 | 1029 | 402 | 549 | 435 | 548 | 279 | 137 | 1219 |
| KANSAS | 884 | 1333 | 1316 | 1508 | 1684 | 1541 | 1376 | 1785 | 1896 | 2236 | 1325 | 1073 | 586 | 1602 | 1400 | 1807 | 423 | 612 | 187 | 420 | 519 |
| KENTUCKY | 329 | 806 | 1266 | 1008 | 912 | 871 | 1044 | 1341 | 1046 | 855 | 957 | 656 | 207 | 578 | 776 | 604 | 134 | 72 | 12 | 15 | 20 |
| LOUISIANA | 485 | 827 | 952 | 1080 | 1232 | 1304 | 1281 | 1679 | 1446 | 1388 | 713 | 287 | 87 | 196 | 254 | 88 | 27 | 8 | 2 | 3 | 0 |
| MAINE | 81 | 124 | 67 | 94 | 84 | 110 | 136 | 148 | 186 | 184 | 296 | 165 | 56 | 204 | 154 | 139 | 81 | 25 | 13 | 6 | 17 |
| MARYLAND | 139 | 227 | 344 | 424 | 328 | 282 | 459 | 462 | 553 | 403 | 253 | 214 | 70 | 128 | 189 | 178 | 77 | 108 | 43 | 47 | 139 |
| MASSACHUSETTS | 115 | 132 | 111 | 98 | 127 | 219 | 146 | 349 | 596 | 922 | 293 | 216 | 47 | 466 | 154 | 142 | 103 | 72 | 62 | 116 | 432 |
| MICHIGAN | 553 | 499 | 614 | 637 | 736 | 767 | 1086 | 980 | 1364 | 901 | 365 | 316 | 118 | 386 | 353 | 491 | 240 | 161 | 56 | 95 | 160 |
| MINNESOTA | 913 | 1091 | 1029 | 1037 | 1050 | 1672 | 862 | 1072 | 960 | 673 | 464 | 272 | 163 | 479 | 254 | 281 | 244 | 212 | 159 | 58 | 61 |
| MISSISSIPPI | 1251 | 1920 | 1719 | 1377 | 1414 | 1365 | 1499 | 1462 | 1421 | 1339 | 588 | 507 | 82 | 544 | 197 | 131 | 25 | 24 | 11 | 8 | 16 |
| MISSOURI | 1703 | 2214 | 2016 | 1503 | 959 | 862 | 937 | 1355 | 1599 | 1667 | 982 | 1093 | 209 | 1132 | 1258 | 1577 | 642 | 619 | 150 | 420 | 984 |
| MONTANA | 175 | 167 | 205 | 275 | 361 | 448 | 447 | 544 | 480 | 386 | 209 | 257 | 104 | 311 | 262 | 109 | 38 | 39 | 60 | 27 | 18 |
| NEBRASKA | 774 | 936 | 1210 | 1209 | 1200 | 931 | 868 | 803 | 995 | 664 | 369 | 451 | 102 | 467 | 3906 | 173 | 66 | 113 | 90 | 109 | 21 |
| NEVADA | 109 | 272 | 193 | 158 | 76 | 133 | 93 | 142 | 236 | 76 | 29 | 34 | 13 | 23 | 26 | 8 | 4 | 2 | 0 | 2 | 3 |
| NEW HAMPSHIRE | 59 | 109 | 79 | 104 | 131 | 143 | 137 | 227 | 182 | 234 | 86 | 123 | 46 | 208 | 114 | 180 | 36 | 51 | 12 | 23 | 77 |
| NEW JERSEY | 116 | 260 | 288 | 323 | 204 | 254 | 592 | 639 | 501 | 378 | 561 | 400 | 134 | 289 | 240 | 381 | 197 | 139 | 94 | 123 | 330 |
| NEW MEXICO | 141 | 127 | 169 | 200 | 228 | 356 | 382 | 523 | 363 | 324 | 185 | 182 | 118 | 316 | 154 | 42 | 11 | 3 | 5 | 2 | 0 |
| NEW YORK | 658 | 1044 | 1122 | 1065 | 747 | 740 | 1117 | 1468 | 1592 | 1352 | 1180 | 673 | 292 | 1103 | 1079 | 857 | 217 | 188 | 218 | 250 | 376 |
| NORTH CAROLINA | 861 | 1371 | 1313 | 1215 | 1074 | 1362 | 1165 | 1694 | 1799 | 2200 | 1559 | 690 | 114 | 366 | 137 | 206 | 300 | 63 | 5 | 6 | 4 |
| NORTH DAKOTA | 153 | 182 | 231 | 269 | 306 | 402 | 319 | 426 | 363 | 378 | 265 | 295 | 95 | 296 | 153 | 114 | 50 | 93 | 43 | 31 | 12 |
| OHIO | 1275 | 2096 | 2233 | 1733 | 1419 | 1385 | 1957 | 2775 | 2596 | 2233 | 1604 | 731 | 355 | 958 | 713 | 787 | 303 | 262 | 241 | 266 | 2140 |
| OKLAHOMA | 945 | 1631 | 1628 | 1580 | 1297 | 720 | 1091 | 1211 | 1316 | 1442 | 932 | 1633 | 662 | 3950 | 1136 | 1227 | 316 | 406 | 129 | 119 | 16 |
| OREGON | 230 | 379 | 294 | 356 | 499 | 550 | 663 | 740 | 1014 | 982 | 554 | 228 | 56 | 152 | 150 | 166 | 110 | 53 | 41 | 17 | 3 |
| PENNSYLVANIA | 588 | 921 | 848 | 1133 | 736 | 720 | 1365 | 1807 | 1937 | 1660 | 1306 | 1025 | 547 | 1745 | 1171 | 1420 | 717 | 657 | 467 | 495 | 945 |
| RHODE ISLAND | 5 | 18 | 33 | 22 | 18 | 19 | 41 | 112 | 144 | 87 | 33 | 22 | 4 | 18 | 30 | 35 | 20 | 17 | 14 | 11 | 46 |
| SOUTH CAROLINA | 335 | 712 | 544 | 423 | 510 | 553 | 889 | 1109 | 1045 | 1116 | 429 | 401 | 145 | 412 | 205 | 221 | 89 | 16 | 7 | 2 | 39 |
| SOUTH DAKOTA | 286 | 302 | 292 | 326 | 259 | 302 | 423 | 461 | 597 | 482 | 284 | 248 | 142 | 408 | 360 | 424 | 126 | 80 | 60 | 66 | 33 |
| TENNESSEE | 719 | 1352 | 1547 | 1827 | 2505 | 954 | 1411 | 1726 | 1712 | 1703 | 750 | 914 | 302 | 787 | 477 | 674 | 243 | 94 | 31 | 15 | 20 |
| TEXAS | 2211 | 3062 | 3101 | 4544 | 2750 | 2675 | 3534 | 4458 | 4820 | 4600 | 2840 | 2458 | 894 | 2686 | 2072 | 1546 | 663 | 178 | 51 | 39 | 44 |
| UTAH | 139 | 290 | 149 | 242 | 293 | 190 | 273 | 332 | 252 | 210 | 100 | 98 | 52 | 58 | 72 | 29 | 16 | 10 | 6 | 3 | 0 |
| VERMONT | 60 | 94 | 99 | 104 | 136 | 148 | 227 | 190 | 226 | 145 | 95 | 109 | 30 | 303 | 115 | 286 | 48 | 153 | 20 | 11 | 97 |
| VIRGINIA | 504 | 813 | 838 | 992 | 703 | 1072 | 1258 | 1427 | 1444 | 832 | 435 | 370 | 221 | 365 | 1420 | 294 | 115 | 56 | 37 | 18 | 33 |
| WASHINGTON | 253 | 413 | 426 | 380 | 420 | 495 | 742 | 882 | 830 | 781 | 548 | 361 | 106 | 219 | 208 | 176 | 123 | 117 | 64 | 23 | 61 |
| WEST VIRGINIA | 331 | 709 | 609 | 783 | 355 | 611 | 447 | 389 | 323 | 314 | 194 | 255 | 89 | 322 | 165 | 262 | 258 | 222 | 157 | 42 | 82 |
| WISCONSIN | 988 | 1129 | 1284 | 1272 | 988 | 934 | 936 | 1253 | 1085 | 858 | 447 | 450 | 151 | 488 | 325 | 500 | 228 | 223 | 56 | 53 | 39 |
| WYOMING | 95 | 125 | 146 | 202 | 228 | 254 | 224 | 469 | 423 | 399 | 153 | 109 | 13 | 52 | 52 | 34 | 18 | 18 | 11 | 2 | 1 |
| PUERTO RICO | 79 | 237 | 190 | 113 | 83 | 210 | 264 | 173 | 135 | 112 | 87 | 101 | 56 | 94 | 21 | 47 | 57 | 26 | 12 | 8 | 38 |
| NATIONAL | 25567 | 38381 | 40540 | 42991 | 37915 | 38116 | 43524 | 54035 | 54495 | 49977 | 29925 | 24302 | 8668 | 28741 | 24080 | 20615 | 8523 | 7051 | 3554 | 4034 | 9772 |
As of December 2005
| Year Built | 2001- 2005 |
1996- 1999 |
1991- 1995 |
1986- 1990 |
1981- 1985 |
1976- 1980 |
1971- 1975 |
1966- 1970 |
1961- 1965 |
1956- 1960 |
1951- 1955 |
1946- 1950 |
1941- 1945 |
1936- 1940 |
1931- 1935 |
1926- 1930 |
1921- 1925 |
1916- 1920 |
1911-1915 | 1905- 1910 |
1904 and earlier |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Age | 0-4 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85-89 | 90-94 | 95-100 | >100 |
| ALABAMA | 0 | 0 | 55 | 47 | 65 | 89 | 118 | 161 | 207 | 264 | 216 | 229 | 74 | 305 | 133 | 142 | 55 | 34 | 17 | 9 | 28 |
| ALASKA | 0 | 0 | 2 | 16 | 20 | 19 | 22 | 23 | 14 | 10 | 13 | 9 | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 3 |
| ARIZONA | 0 | 0 | 0 | 1 | 8 | 12 | 11 | 20 | 23 | 15 | 7 | 7 | 1 | 9 | 11 | 21 | 4 | 4 | 1 | 1 | 6 |
| ARKANSAS | 0 | 0 | 59 | 69 | 61 | 72 | 113 | 133 | 120 | 101 | 55 | 75 | 30 | 101 | 43 | 60 | 18 | 16 | 9 | 6 | 1 |
| CALIFORNIA | 0 | 0 | 49 | 81 | 80 | 112 | 308 | 458 | 474 | 364 | 142 | 166 | 51 | 144 | 77 | 154 | 64 | 52 | 54 | 21 | 15 |
| COLORADO | 0 | 0 | 4 | 6 | 18 | 27 | 28 | 64 | 73 | 68 | 29 | 39 | 19 | 81 | 53 | 35 | 6 | 10 | 4 | 6 | 1 |
| CONNECTICUT | 0 | 0 | 0 | 7 | 7 | 11 | 6 | 27 | 28 | 65 | 21 | 13 | 6 | 41 | 18 | 35 | 14 | 7 | 4 | 14 | 16 |
| DELAWARE | 0 | 0 | 1 | 1 | 4 | 1 | 3 | 0 | 6 | 3 | 2 | 3 | 0 | 1 | 6 | 2 | 2 | 1 | 2 | 1 | 3 |
| DIST. OF COL. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 5 | 1 | 2 | 4 | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 2 |
| FLORIDA | 0 | 0 | 5 | 9 | 21 | 13 | 26 | 44 | 31 | 62 | 34 | 28 | 9 | 20 | 3 | 15 | 5 | 1 | 1 | 0 | 0 |
| GEORGIA | 0 | 0 | 14 | 32 | 36 | 67 | 56 | 91 | 97 | 203 | 139 | 182 | 37 | 100 | 32 | 40 | 24 | 12 | 10 | 2 | 4 |
| HAWAII | 0 | 0 | 0 | 1 | 1 | 1 | 7 | 11 | 5 | 0 | 4 | 8 | 7 | 14 | 13 | 33 | 12 | 10 | 23 | 3 | 7 |
| IDAHO | 0 | 0 | 1 | 5 | 3 | 17 | 16 | 27 | 42 | 45 | 18 | 18 | 1 | 35 | 35 | 24 | 10 | 10 | 6 | 4 | 0 |
| ILLINOIS | 0 | 0 | 2 | 13 | 19 | 58 | 106 | 117 | 195 | 325 | 116 | 80 | 40 | 114 | 140 | 161 | 122 | 98 | 72 | 243 | 427 |
| INDIANA | 0 | 0 | 16 | 20 | 39 | 73 | 91 | 172 | 158 | 118 | 51 | 79 | 43 | 131 | 143 | 251 | 126 | 157 | 76 | 127 | 136 |
| IOWA | 0 | 0 | 8 | 11 | 39 | 152 | 145 | 248 | 296 | 698 | 660 | 563 | 182 | 477 | 145 | 243 | 169 | 282 | 156 | 102 | 656 |
| KANSAS | 0 | 0 | 1 | 12 | 20 | 31 | 62 | 117 | 165 | 219 | 166 | 197 | 142 | 354 | 240 | 423 | 126 | 290 | 97 | 298 | 177 |
| KENTUCKY | 0 | 0 | 13 | 47 | 74 | 60 | 73 | 115 | 103 | 100 | 84 | 88 | 25 | 129 | 119 | 143 | 38 | 42 | 5 | 12 | 10 |
| LOUISIANA | 0 | 0 | 26 | 53 | 97 | 164 | 177 | 327 | 306 | 325 | 175 | 92 | 31 | 78 | 67 | 19 | 3 | 2 | 2 | 2 | 0 |
| MAINE | 0 | 0 | 3 | 10 | 2 | 7 | 11 | 9 | 12 | 19 | 59 | 31 | 13 | 45 | 45 | 38 | 19 | 11 | 2 | 2 | 9 |
| MARYLAND | 0 | 0 | 2 | 1 | 5 | 11 | 19 | 22 | 50 | 49 | 33 | 37 | 7 | 20 | 32 | 33 | 16 | 25 | 5 | 15 | 25 |
| MASSACHUSETTS | 0 | 0 | 2 | 2 | 3 | 5 | 3 | 7 | 51 | 71 | 34 | 30 | 9 | 110 | 36 | 53 | 25 | 22 | 16 | 33 | 86 |
| MICHIGAN | 0 | 0 | 3 | 10 | 16 | 52 | 156 | 132 | 261 | 170 | 75 | 76 | 29 | 118 | 91 | 195 | 100 | 94 | 40 | 62 | 92 |
| MINNESOTA | 0 | 0 | 2 | 3 | 7 | 24 | 42 | 78 | 99 | 117 | 112 | 56 | 30 | 104 | 55 | 64 | 83 | 115 | 87 | 36 | 27 |
| MISSISSIPPI | 0 | 0 | 232 | 171 | 173 | 235 | 368 | 376 | 379 | 425 | 216 | 170 | 38 | 229 | 86 | 74 | 13 | 11 | 8 | 7 | 9 |
| MISSOURI | 0 | 0 | 38 | 30 | 54 | 96 | 115 | 142 | 265 | 431 | 285 | 387 | 77 | 484 | 497 | 626 | 216 | 349 | 83 | 248 | 403 |
| MONTANA | 0 | 0 | 7 | 12 | 28 | 32 | 28 | 39 | 32 | 35 | 19 | 38 | 12 | 53 | 49 | 33 | 11 | 20 | 37 | 17 | 9 |
| NEBRASKA | 0 | 0 | 2 | 9 | 16 | 18 | 49 | 52 | 62 | 87 | 51 | 96 | 17 | 79 | 1662 | 50 | 23 | 72 | 49 | 80 | 14 |
| NEVADA | 0 | 0 | 1 | 2 | 1 | 2 | 3 | 5 | 6 | 3 | 0 | 5 | 2 | 8 | 5 | 1 | 2 | 1 | 0 | 1 | 2 |
| NEW HAMPSHIRE | 0 | 0 | 0 | 3 | 6 | 10 | 6 | 14 | 28 | 21 | 8 | 30 | 9 | 55 | 15 | 45 | 6 | 21 | 7 | 5 | 31 |
| NEW JERSEY | 0 | 0 | 0 | 1 | 6 | 3 | 17 | 26 | 33 | 42 | 42 | 33 | 37 | 69 | 72 | 112 | 70 | 55 | 39 | 50 | 130 |
| NEW MEXICO | 0 | 0 | 1 | 3 | 7 | 30 | 65 | 66 | 43 | 50 | 39 | 6 | 10 | 40 | 26 | 15 | 5 | 0 | 1 | 0 | 0 |
| NEW YORK | 0 | 0 | 6 | 24 | 28 | 53 | 93 | 103 | 146 | 155 | 169 | 103 | 70 | 265 | 279 | 259 | 60 | 44 | 72 | 65 | 120 |
| NORTH CAROLINA | 0 | 0 | 12 | 16 | 29 | 77 | 149 | 250 | 416 | 436 | 448 | 190 | 25 | 81 | 31 | 41 | 74 | 18 | 3 | 3 | 2 |
| NORTH DAKOTA | 0 | 0 | 2 | 2 | 1 | 11 | 25 | 31 | 38 | 55 | 60 | 96 | 40 | 132 | 66 | 63 | 29 | 53 | 31 | 26 | 10 |
| OHIO | 0 | 0 | 9 | 11 | 28 | 70 | 136 | 226 | 188 | 321 | 202 | 122 | 64 | 197 | 163 | 232 | 98 | 76 | 84 | 99 | 662 |
| OKLAHOMA | 0 | 0 | 242 | 287 | 185 | 161 | 229 | 319 | 271 | 411 | 279 | 793 | 285 | 1714 | 417 | 667 | 182 | 259 | 111 | 113 | 13 |
| OREGON | 0 | 0 | 1 | 9 | 6 | 21 | 35 | 54 | 121 | 168 | 107 | 38 | 14 | 27 | 36 | 23 | 21 | 5 | 8 | 3 | 0 |
| PENNSYLVANIA | 0 | 0 | 9 | 9 | 19 | 48 | 175 | 276 | 291 | 348 | 301 | 275 | 188 | 706 | 460 | 705 | 375 | 333 | 244 | 265 | 471 |
| RHODE ISLAND | 0 | 0 | 1 | 0 | 1 | 1 | 6 | 21 | 31 | 40 | 12 | 11 | 1 | 9 | 10 | 10 | 7 | 5 | 9 | 5 | 14 |
| SOUTH CAROLINA | 0 | 0 | 20 | 19 | 15 | 39 | 84 | 122 | 205 | 271 | 163 | 76 | 48 | 102 | 43 | 37 | 19 | 3 | 2 | 1 | 5 |
| SOUTH DAKOTA | 0 | 0 | 5 | 8 | 15 | 30 | 34 | 59 | 87 | 84 | 57 | 60 | 51 | 163 | 157 | 185 | 63 | 56 | 47 | 53 | 15 |
| TENNESSEE | 0 | 0 | 27 | 27 | 43 | 55 | 153 | 187 | 175 | 184 | 73 | 109 | 42 | 100 | 70 | 78 | 39 | 26 | 6 | 4 | 9 |
| TEXAS | 0 | 0 | 58 | 154 | 132 | 99 | 72 | 122 | 171 | 243 | 161 | 252 | 86 | 304 | 149 |