U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
OCTOBER 1999
TABLE HM-47
SHEET 1 OF 2
STATE | INTERNATIONAL ROUGHNESS INDEX (IRI) 1/ | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
INTERSTATE SYSTEM | OTHER | |||||||||||||||||||
NOT REPORTED | < 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED | NOT REPORTED | < 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED | |
Alabama | 0 | 94 | 348 | 95 | 43 | 21 | 0 | 0 | 0 | 601 | 0 | 154 | 1,107 | 592 | 140 | 40 | 10 | 2 | 7 | 2,052 |
Alaska | 0 | 12 | 238 | 337 | 326 | 30 | 69 | 13 | 5 | 1,030 | 455 | 6 | 95 | 107 | 196 | 20 | 36 | 30 | 1 | 491 |
Arizona | 0 | 363 | 518 | 76 | 24 | 2 | 12 | 1 | 1 | 997 | 0 | 131 | 361 | 318 | 161 | 82 | 47 | 16 | 22 | 1,138 |
Arkansas | 0 | 0 | 56 | 38 | 50 | 83 | 51 | 49 | 66 | 393 | 22 | 9 | 608 | 572 | 311 | 182 | 74 | 37 | 13 | 1,806 |
California | 0 | 7 | 608 | 298 | 240 | 124 | 40 | 13 | 27 | 1,357 | 0 | 24 | 1,020 | 1,076 | 852 | 432 | 87 | 47 | 2 | 3,540 |
Colorado | 0 | 9 | 187 | 154 | 177 | 137 | 38 | 56 | 11 | 769 | 0 | 6 | 229 | 459 | 415 | 257 | 96 | 150 | 223 | 1,835 |
Connecticut | 0 | 1 | 66 | 15 | 13 | 4 | 1 | 0 | 2 | 102 | 0 | 3 | 58 | 84 | 61 | 30 | 11 | 4 | 3 | 254 |
Delaware | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 78 | 85 | 21 | 2 | 3 | 3 | 1 | 197 |
Dist. of Columbia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Florida | 45 | 703 | 70 | 45 | 75 | 16 | 0 | 0 | 0 | 909 | 33 | 890 | 651 | 122 | 47 | 29 | 2 | 6 | 5 | 1,752 |
Georgia | 0 | 620 | 175 | 12 | 0 | 0 | 0 | 0 | 0 | 807 | 11 | 2,065 | 387 | 32 | 1 | 2 | 0 | 0 | 0 | 2,487 |
Hawaii | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 139 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Idaho | 0 | 168 | 257 | 83 | 10 | 0 | 7 | 0 | 1 | 526 | 0 | 276 | 647 | 461 | 200 | 65 | 9 | 4 | 3 | 1,665 |
Illinois | 1,518 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1,860 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Indiana | 0 | 292 | 393 | 76 | 34 | 58 | 0 | 0 | 0 | 853 | 4 | 163 | 489 | 269 | 199 | 114 | 35 | 1 | 1 | 1,271 |
Iowa | 0 | 61 | 323 | 203 | 41 | 6 | 1 | 0 | 0 | 635 | 61 | 216 | 781 | 350 | 202 | 221 | 126 | 14 | 18 | 1,928 |
Kansas | 0 | 254 | 303 | 50 | 69 | 15 | 7 | 0 | 0 | 698 | 61 | 622 | 1,306 | 390 | 153 | 76 | 19 | 15 | 3 | 2,584 |
Kentucky | 0 | 131 | 215 | 33 | 102 | 54 | 0 | 0 | 0 | 535 | 0 | 252 | 1,023 | 192 | 144 | 111 | 8 | 0 | 0 | 1,730 |
Louisiana | 37 | 0 | 140 | 145 | 91 | 142 | 27 | 6 | 23 | 574 | 22 | 13 | 371 | 235 | 184 | 156 | 108 | 64 | 37 | 1,168 |
Maine | 41 | 38 | 206 | 26 | 2 | 0 | 0 | 0 | 0 | 272 | 7 | 101 | 398 | 170 | 64 | 25 | 9 | 7 | 7 | 781 |
Maryland | 0 | 12 | 164 | 45 | 6 | 1 | 1 | 0 | 0 | 229 | 0 | 49 | 330 | 117 | 30 | 18 | 9 | 3 | 3 | 559 |
Massachusetts | 0 | 3 | 86 | 65 | 6 | 0 | 0 | 0 | 1 | 161 | 13 | 0 | 97 | 121 | 41 | 32 | 10 | 10 | 2 | 313 |
Michigan | 0 | 35 | 257 | 172 | 130 | 82 | 42 | 20 | 4 | 742 | 7 | 287 | 853 | 497 | 330 | 200 | 65 | 41 | 29 | 2,302 |
Minnesota | 0 | 47 | 299 | 165 | 85 | 30 | 35 | 10 | 10 | 681 | 0 | 436 | 847 | 570 | 375 | 149 | 96 | 41 | 63 | 2,577 |
Mississippi | 0 | 12 | 212 | 152 | 69 | 83 | 23 | 1 | 5 | 557 | 0 | 15 | 562 | 456 | 382 | 180 | 36 | 36 | 21 | 1,688 |
Missouri | 0 | 7 | 230 | 260 | 213 | 79 | 16 | 1 | 0 | 806 | 1 | 57 | 491 | 790 | 684 | 377 | 125 | 23 | 22 | 2,569 |
Montana | 0 | 275 | 576 | 154 | 76 | 43 | 5 | 5 | 0 | 1,134 | 0 | 259 | 1,355 | 530 | 226 | 140 | 63 | 24 | 9 | 2,606 |
Nebraska | 0 | 95 | 139 | 57 | 63 | 57 | 25 | 0 | 0 | 436 | 0 | 419 | 732 | 353 | 318 | 155 | 152 | 90 | 44 | 2,263 |
Nevada | 0 | 228 | 145 | 42 | 24 | 12 | 21 | 4 | 4 | 480 | 0 | 165 | 626 | 195 | 338 | 87 | 23 | 0 | 2 | 1,436 |
New Hampshire | 0 | 51 | 95 | 24 | 6 | 0 | 0 | 0 | 0 | 176 | 0 | 64 | 234 | 85 | 30 | 20 | 12 | 7 | 5 | 457 |
New Jersey | 6 | 0 | 32 | 34 | 18 | 6 | 12 | 8 | 3 | 113 | 94 | 0 | 43 | 89 | 106 | 76 | 41 | 36 | 61 | 452 |
New Mexico | 0 | 204 | 364 | 217 | 56 | 27 | 16 | 7 | 1 | 892 | 0 | 78 | 553 | 422 | 314 | 169 | 68 | 57 | 81 | 1,742 |
New York | 0 | 0 | 521 | 151 | 79 | 26 | 10 | 2 | 7 | 796 | 6 | 2 | 1,024 | 351 | 169 | 150 | 113 | 64 | 93 | 1,966 |
North Carolina | 0 | 28 | 161 | 109 | 109 | 144 | 63 | 21 | 1 | 636 | 44 | 19 | 823 | 473 | 412 | 261 | 84 | 31 | 26 | 2,129 |
North Dakota | 0 | 73 | 314 | 105 | 38 | 0 | 0 | 0 | 0 | 530 | 0 | 195 | 1,048 | 589 | 169 | 37 | 42 | 7 | 2 | 2,089 |
Ohio | 0 | 328 | 427 | 55 | 19 | 1 | 0 | 0 | 0 | 830 | 0 | 351 | 1,173 | 179 | 85 | 33 | 10 | 2 | 3 | 1,836 |
Oklahoma | 0 | 81 | 351 | 147 | 105 | 14 | 22 | 1 | 1 | 722 | 0 | 45 | 942 | 528 | 292 | 186 | 76 | 24 | 17 | 2,110 |
Oregon | 0 | 0 | 4 | 39 | 151 | 165 | 103 | 77 | 41 | 580 | 4 | 0 | 517 | 1,110 | 769 | 163 | 46 | 30 | 47 | 2,682 |
Pennsylvania | 0 | 42 | 713 | 297 | 101 | 41 | 6 | 0 | 1 | 1,201 | 1 | 106 | 849 | 592 | 368 | 212 | 81 | 39 | 17 | 2,264 |
Rhode Island | 0 | 0 | 18 | 4 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 26 | 21 | 12 | 6 | 1 | 1 | 0 | 67 |
South Carolina | 0 | 271 | 289 | 91 | 21 | 0 | 0 | 0 | 0 | 672 | 0 | 76 | 509 | 334 | 192 | 95 | 26 | 22 | 19 | 1,273 |
South Dakota | 23 | 0 | 199 | 175 | 83 | 112 | 33 | 3 | 0 | 605 | 95 | 17 | 406 | 459 | 526 | 345 | 200 | 87 | 57 | 2,097 |
Tennessee | 637 | 20 | 62 | 4 | 12 | 0 | 0 | 0 | 0 | 98 | 1,317 | 19 | 117 | 19 | 12 | 7 | 0 | 0 | 0 | 174 |
Texas | 0 | 303 | 1,411 | 351 | 99 | 49 | 2 | 0 | 1 | 2,216 | 0 | 691 | 2,880 | 1,925 | 645 | 179 | 47 | 19 | 25 | 6,411 |
Utah | 0 | 239 | 318 | 117 | 49 | 31 | 13 | 3 | 0 | 770 | 0 | 88 | 536 | 224 | 114 | 41 | 5 | 2 | 2 | 1,012 |
Vermont | 0 | 100 | 146 | 19 | 13 | 3 | 0 | 0 | 0 | 281 | 0 | 13 | 69 | 55 | 75 | 53 | 23 | 11 | 19 | 318 |
Virginia | 0 | 7 | 356 | 284 | 56 | 9 | 4 | 0 | 0 | 716 | 0 | 6 | 545 | 490 | 234 | 117 | 52 | 23 | 22 | 1,489 |
Washington | 0 | 211 | 218 | 51 | 19 | 0 | 2 | 0 | 0 | 501 | 11 | 344 | 1,259 | 343 | 81 | 31 | 5 | 4 | 2 | 2,069 |
West Virginia | 0 | 78 | 214 | 69 | 56 | 33 | 3 | 2 | 0 | 455 | 0 | 153 | 424 | 257 | 157 | 62 | 13 | 5 | 8 | 1,079 |
Wisconsin | 0 | 46 | 199 | 145 | 135 | 42 | 8 | 1 | 0 | 576 | 0 | 130 | 716 | 607 | 475 | 310 | 170 | 118 | 114 | 2,640 |
Wyoming | 0 | 252 | 369 | 134 | 52 | 19 | 0 | 0 | 0 | 826 | 0 | 575 | 1,185 | 140 | 38 | 16 | 4 | 0 | 0 | 1,958 |
U.S. Total | 2,313 | 5,801 | 12,992 | 5,420 | 3,246 | 1,801 | 718 | 304 | 216 | 30,498 | 4,268 | 9,594 | 31,380 | 18,435 | 11,350 | 5,751 | 2,378 | 1,257 | 1,161 | 81,306 |
Puerto Rico | 0 | 0 | 5 | 24 | 51 | 15 | 5 | 0 | 3 | 103 | 22 | 0 | 0 | 2 | 1 | 16 | 5 | 0 | 0 | 24 |
Grand Total | 2,313 | 5,801 | 12,997 | 5,444 | 3,297 | 1,816 | 723 | 304 | 219 | 30,601 | 4,290 | 9,594 | 31,380 | 18,437 | 11,351 | 5,767 | 2,383 | 1,257 | 1,161 | 81,330 |
OCTOBER 1999
SHEET 2 OF 4
TABLE HM-47
STATE | INTERNATIONAL ROUGHNESS INDEX (IRI) 1/ | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
TOTAL RURAL NHS | ||||||||||
NOT REPORTED | < 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED | |
Alabama | 0 | 248 | 1,455 | 687 | 183 | 61 | 10 | 2 | 7 | 2,653 |
Alaska | 455 | 18 | 333 | 444 | 522 | 50 | 105 | 43 | 6 | 1,521 |
Arizona | 0 | 494 | 879 | 394 | 185 | 84 | 59 | 17 | 23 | 2,135 |
Arkansas | 22 | 9 | 664 | 610 | 361 | 265 | 125 | 86 | 79 | 2,199 |
California | 0 | 31 | 1,628 | 1,374 | 1,092 | 556 | 127 | 60 | 29 | 4,897 |
Colorado | 0 | 15 | 416 | 613 | 592 | 394 | 134 | 206 | 234 | 2,604 |
Connecticut | 0 | 4 | 124 | 99 | 74 | 34 | 12 | 4 | 5 | 356 |
Delaware | 0 | 4 | 78 | 85 | 21 | 2 | 3 | 3 | 1 | 197 |
Dist. of Columbia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Florida | 78 | 1,593 | 721 | 167 | 122 | 45 | 2 | 6 | 5 | 2,661 |
Georgia | 11 | 2,685 | 562 | 44 | 1 | 2 | 0 | 0 | 0 | 3,294 |
Hawaii | 145 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Idaho | 0 | 444 | 904 | 544 | 210 | 65 | 16 | 4 | 4 | 2,191 |
Illinois | 3,378 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Indiana | 4 | 455 | 882 | 345 | 233 | 172 | 35 | 1 | 1 | 2,124 |
Iowa | 61 | 277 | 1,104 | 553 | 243 | 227 | 127 | 14 | 18 | 2,563 |
Kansas | 61 | 876 | 1,609 | 440 | 222 | 91 | 26 | 15 | 3 | 3,282 |
Kentucky | 0 | 383 | 1,238 | 225 | 246 | 165 | 8 | 0 | 0 | 2,265 |
Louisiana | 59 | 13 | 511 | 380 | 275 | 298 | 135 | 70 | 60 | 1,742 |
Maine | 48 | 139 | 604 | 196 | 66 | 25 | 9 | 7 | 7 | 1,053 |
Maryland | 0 | 61 | 494 | 162 | 36 | 19 | 10 | 3 | 3 | 788 |
Massachusetts | 13 | 3 | 183 | 186 | 47 | 32 | 10 | 10 | 3 | 474 |
Michigan | 7 | 322 | 1,110 | 669 | 460 | 282 | 107 | 61 | 33 | 3,044 |
Minnesota | 0 | 483 | 1,146 | 735 | 460 | 179 | 131 | 51 | 73 | 3,258 |
Mississippi | 0 | 27 | 774 | 608 | 451 | 263 | 59 | 37 | 26 | 2,245 |
Missouri | 1 | 64 | 721 | 1,050 | 897 | 456 | 141 | 24 | 22 | 3,375 |
Montana | 0 | 534 | 1,931 | 684 | 302 | 183 | 68 | 29 | 9 | 3,740 |
Nebraska | 0 | 514 | 871 | 410 | 381 | 212 | 177 | 90 | 44 | 2,699 |
Nevada | 0 | 393 | 771 | 237 | 362 | 99 | 44 | 4 | 6 | 1,916 |
New Hampshire | 0 | 115 | 329 | 109 | 36 | 20 | 12 | 7 | 5 | 633 |
New Jersey | 100 | 0 | 75 | 123 | 124 | 82 | 53 | 44 | 64 | 565 |
New Mexico | 0 | 282 | 917 | 639 | 370 | 196 | 84 | 64 | 82 | 2,634 |
New York | 6 | 2 | 1,545 | 502 | 248 | 176 | 123 | 66 | 100 | 2,762 |
North Carolina | 44 | 47 | 984 | 582 | 521 | 405 | 147 | 52 | 27 | 2,765 |
North Dakota | 0 | 268 | 1,362 | 694 | 207 | 37 | 42 | 7 | 2 | 2,619 |
Ohio | 0 | 679 | 1,600 | 234 | 104 | 34 | 10 | 2 | 3 | 2,666 |
Oklahoma | 0 | 126 | 1,293 | 675 | 397 | 200 | 98 | 25 | 18 | 2,832 |
Oregon | 4 | 0 | 521 | 1,149 | 920 | 328 | 149 | 107 | 88 | 3,262 |
Pennsylvania | 1 | 148 | 1,562 | 889 | 469 | 253 | 87 | 39 | 18 | 3,465 |
Rhode Island | 0 | 0 | 44 | 25 | 12 | 6 | 1 | 1 | 0 | 89 |
South Carolina | 0 | 347 | 798 | 425 | 213 | 95 | 26 | 22 | 19 | 1,945 |
South Dakota | 118 | 17 | 605 | 634 | 609 | 457 | 233 | 90 | 57 | 2,702 |
Tennessee | 1,954 | 39 | 179 | 23 | 24 | 7 | 0 | 0 | 0 | 272 |
Texas | 0 | 994 | 4,291 | 2,276 | 744 | 228 | 49 | 19 | 26 | 8,627 |
Utah | 0 | 327 | 854 | 341 | 163 | 72 | 18 | 5 | 2 | 1,782 |
Vermont | 0 | 113 | 215 | 74 | 88 | 56 | 23 | 11 | 19 | 599 |
Virginia | 0 | 13 | 901 | 774 | 290 | 126 | 56 | 23 | 22 | 2,205 |
Washington | 11 | 555 | 1,477 | 394 | 100 | 31 | 7 | 4 | 2 | 2,570 |
West Virginia | 0 | 231 | 638 | 326 | 213 | 95 | 16 | 7 | 8 | 1,534 |
Wisconsin | 0 | 176 | 915 | 752 | 610 | 352 | 178 | 119 | 114 | 3,216 |
Wyoming | 0 | 827 | 1,554 | 274 | 90 | 35 | 4 | 0 | 0 | 2,784 |
U.S. Total | 6,581 | 15,395 | 44,372 | 23,855 | 14,596 | 7,552 | 3,096 | 1,561 | 1,377 | 111,804 |
Puerto Rico | 22 | 0 | 5 | 26 | 52 | 31 | 10 | 0 | 3 | 127 |
Grand Total | 6,603 | 15,395 | 44,377 | 23,881 | 14,648 | 7,583 | 3,106 | 1,561 | 1,380 | 111,931 |
OCTOBER 1999
SHEET 3 OF 4
TABLE HM-47
STATE | INTERNATIONAL ROUGHNESS INDEX (IRI) 1/ | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
INTERSTATE SYSTEM | OTHER | |||||||||||||||||||
NOT REPORTED | < 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED | NOT REPORTED | < 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED | |
Alabama | 0 | 23 | 127 | 70 | 44 | 35 | 5 | 0 | 0 | 304 | 16 | 70 | 313 | 199 | 66 | 23 | 4 | 3 | 3 | 681 |
Alaska | 0 | 0 | 22 | 24 | 5 | 2 | 0 | 0 | 0 | 53 | 0 | 0 | 9 | 34 | 15 | 8 | 5 | 1 | 0 | 72 |
Arizona | 0 | 34 | 85 | 24 | 26 | 1 | 2 | 0 | 0 | 172 | 0 | 51 | 112 | 75 | 60 | 30 | 20 | 7 | 11 | 366 |
Arkansas | 1 | 2 | 14 | 34 | 28 | 24 | 17 | 15 | 13 | 147 | 21 | 1 | 64 | 48 | 28 | 46 | 16 | 14 | 21 | 238 |
California | 0 | 24 | 146 | 201 | 285 | 231 | 103 | 62 | 18 | 1,070 | 0 | 32 | 234 | 261 | 438 | 277 | 113 | 56 | 42 | 1,453 |
Colorado | 0 | 2 | 51 | 36 | 44 | 34 | 7 | 1 | 8 | 183 | 0 | 3 | 64 | 153 | 119 | 105 | 31 | 64 | 38 | 577 |
Connecticut | 0 | 1 | 85 | 78 | 40 | 22 | 10 | 5 | 4 | 245 | 1 | 0 | 62 | 90 | 78 | 59 | 40 | 17 | 17 | 363 |
Delaware | 0 | 0 | 7 | 11 | 8 | 3 | 6 | 3 | 3 | 41 | 0 | 3 | 25 | 24 | 7 | 2 | 1 | 1 | 2 | 65 |
Dist. of Columbia | 0 | 0 | 1 | 2 | 4 | 1 | 1 | 2 | 2 | 13 | 4 | 1 | 0 | 0 | 5 | 4 | 3 | 7 | 62 | 82 |
Florida | 41 | 271 | 114 | 40 | 29 | 23 | 0 | 0 | 0 | 477 | 98 | 346 | 415 | 84 | 74 | 13 | 7 | 6 | 4 | 949 |
Georgia | 0 | 351 | 80 | 3 | 2 | 0 | 0 | 0 | 0 | 436 | 25 | 550 | 200 | 26 | 17 | 0 | 0 | 0 | 0 | 793 |
Hawaii | 49 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 106 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Idaho | 0 | 17 | 36 | 8 | 12 | 11 | 0 | 1 | 0 | 85 | 8 | 7 | 22 | 16 | 18 | 9 | 8 | 3 | 5 | 88 |
Illinois | 647 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1,669 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Indiana | 0 | 63 | 150 | 61 | 16 | 15 | 10 | 3 | 0 | 318 | 17 | 15 | 78 | 74 | 62 | 47 | 43 | 14 | 24 | 357 |
Iowa | 0 | 0 | 50 | 32 | 34 | 10 | 19 | 2 | 0 | 147 | 52 | 7 | 77 | 67 | 45 | 48 | 15 | 5 | 26 | 290 |
Kansas | 3 | 20 | 69 | 66 | 12 | 4 | 0 | 0 | 0 | 171 | 60 | 25 | 67 | 33 | 30 | 15 | 8 | 2 | 4 | 184 |
Kentucky | 0 | 44 | 91 | 29 | 29 | 24 | 2 | 1 | 6 | 226 | 0 | 15 | 170 | 100 | 32 | 44 | 14 | 11 | 2 | 388 |
Louisiana | 23 | 0 | 11 | 73 | 33 | 80 | 43 | 4 | 15 | 259 | 80 | 6 | 68 | 50 | 57 | 56 | 60 | 44 | 86 | 427 |
Maine | 10 | 6 | 27 | 7 | 1 | 1 | 0 | 0 | 0 | 42 | 19 | 2 | 48 | 25 | 13 | 12 | 5 | 4 | 6 | 115 |
Maryland | 0 | 5 | 109 | 66 | 32 | 16 | 11 | 8 | 6 | 253 | 0 | 12 | 107 | 91 | 51 | 45 | 28 | 25 | 41 | 400 |
Massachusetts | 2 | 0 | 187 | 135 | 49 | 27 | 1 | 2 | 1 | 402 | 342 | 0 | 99 | 208 | 143 | 114 | 59 | 47 | 47 | 717 |
Michigan | 0 | 15 | 129 | 131 | 95 | 56 | 41 | 18 | 15 | 500 | 14 | 10 | 98 | 161 | 159 | 188 | 148 | 118 | 278 | 1,160 |
Minnesota | 0 | 21 | 113 | 51 | 31 | 10 | 4 | 2 | 0 | 232 | 0 | 49 | 143 | 98 | 82 | 34 | 26 | 11 | 19 | 462 |
Mississippi | 0 | 1 | 13 | 28 | 58 | 19 | 3 | 5 | 1 | 128 | 0 | 2 | 75 | 47 | 57 | 37 | 15 | 11 | 17 | 261 |
Missouri | 0 | 1 | 51 | 128 | 102 | 61 | 16 | 7 | 5 | 371 | 23 | 0 | 40 | 112 | 149 | 120 | 71 | 59 | 44 | 595 |
Montana | 0 | 4 | 29 | 16 | 6 | 2 | 0 | 1 | 0 | 58 | 0 | 0 | 11 | 17 | 15 | 7 | 4 | 4 | 5 | 63 |
Nebraska | 0 | 2 | 18 | 7 | 9 | 4 | 4 | 1 | 0 | 45 | 12 | 4 | 17 | 22 | 40 | 30 | 42 | 20 | 58 | 233 |
Nevada | 0 | 14 | 33 | 13 | 15 | 10 | 1 | 0 | 0 | 86 | 0 | 8 | 59 | 24 | 12 | 7 | 3 | 3 | 3 | 119 |
New Hampshire | 0 | 14 | 26 | 7 | 0 | 0 | 1 | 0 | 0 | 48 | 0 | 9 | 59 | 18 | 11 | 11 | 2 | 2 | 2 | 114 |
New Jersey | 17 | 0 | 26 | 72 | 35 | 44 | 46 | 17 | 44 | 284 | 214 | 0 | 84 | 171 | 216 | 183 | 76 | 77 | 67 | 874 |
New Mexico | 0 | 21 | 25 | 30 | 13 | 6 | 9 | 3 | 1 | 108 | 9 | 3 | 27 | 59 | 35 | 21 | 9 | 7 | 9 | 170 |
New York | 4 | 0 | 258 | 131 | 79 | 66 | 57 | 32 | 76 | 699 | 38 | 6 | 319 | 286 | 236 | 196 | 120 | 115 | 360 | 1,638 |
North Carolina | 0 | 1 | 128 | 64 | 73 | 31 | 19 | 26 | 11 | 353 | 12 | 1 | 135 | 85 | 87 | 70 | 43 | 15 | 22 | 458 |
North Dakota | 0 | 14 | 17 | 9 | 0 | 0 | 0 | 0 | 0 | 40 | 0 | 4 | 22 | 10 | 7 | 10 | 5 | 1 | 3 | 62 |
Ohio | 0 | 195 | 392 | 105 | 31 | 15 | 4 | 1 | 0 | 743 | 0 | 67 | 342 | 208 | 141 | 69 | 36 | 23 | 32 | 918 |
Oklahoma | 0 | 3 | 61 | 43 | 32 | 30 | 19 | 11 | 9 | 208 | 0 | 0 | 73 | 64 | 53 | 43 | 23 | 13 | 7 | 276 |
Oregon | 0 | 0 | 0 | 6 | 15 | 33 | 29 | 26 | 37 | 146 | 0 | 0 | 21 | 97 | 106 | 69 | 22 | 15 | 71 | 401 |
Pennsylvania | 3 | 7 | 247 | 156 | 85 | 33 | 13 | 4 | 2 | 547 | 4 | 15 | 241 | 281 | 290 | 268 | 157 | 95 | 95 | 1,442 |
Rhode Island | 0 | 0 | 15 | 13 | 11 | 6 | 1 | 0 | 0 | 46 | 2 | 0 | 47 | 34 | 26 | 7 | 4 | 2 | 1 | 121 |
South Carolina | 0 | 39 | 79 | 24 | 11 | 1 | 2 | 1 | 0 | 157 | 0 | 18 | 162 | 119 | 69 | 55 | 20 | 14 | 19 | 476 |
South Dakota | 3 | 0 | 4 | 8 | 9 | 20 | 6 | 0 | 0 | 47 | 34 | 0 | 3 | 3 | 7 | 7 | 2 | 0 | 7 | 29 |
Tennessee | 237 | 4 | 57 | 17 | 11 | 8 | 3 | 1 | 1 | 102 | 531 | 8 | 52 | 18 | 9 | 5 | 1 | 2 | 3 | 98 |
Texas | 0 | 30 | 346 | 309 | 241 | 72 | 18 | 1 | 1 | 1,018 | 0 | 140 | 752 | 793 | 709 | 443 | 422 | 87 | 102 | 3,448 |
Utah | 0 | 31 | 46 | 36 | 27 | 13 | 12 | 2 | 0 | 167 | 0 | 30 | 79 | 53 | 24 | 20 | 7 | 5 | 6 | 224 |
Vermont | 0 | 9 | 29 | 2 | 0 | 0 | 0 | 0 | 0 | 40 | 0 | 0 | 8 | 12 | 11 | 7 | 5 | 3 | 9 | 55 |
Virginia | 0 | 2 | 94 | 162 | 95 | 29 | 6 | 12 | 1 | 401 | 0 | 0 | 145 | 233 | 186 | 110 | 55 | 58 | 58 | 845 |
Washington | 0 | 65 | 108 | 29 | 24 | 27 | 5 | 4 | 0 | 262 | 124 | 41 | 201 | 73 | 48 | 25 | 13 | 6 | 12 | 419 |
West Virginia | 0 | 21 | 43 | 13 | 9 | 5 | 3 | 0 | 1 | 95 | 0 | 14 | 43 | 25 | 16 | 10 | 5 | 2 | 2 | 117 |
Wisconsin | 0 | 5 | 23 | 35 | 45 | 41 | 11 | 5 | 4 | 169 | 0 | 1 | 71 | 88 | 123 | 140 | 93 | 75 | 161 | 752 |
Wyoming | 0 | 7 | 37 | 19 | 17 | 6 | 1 | 0 | 0 | 87 | 0 | 24 | 40 | 5 | 4 | 2 | 0 | 2 | 1 | 78 |
U.S. Total | 1,040 | 1,389 | 3,909 | 2,664 | 1,912 | 1,212 | 571 | 289 | 285 | 12,231 | 3,535 | 1,600 | 5,603 | 4,874 | 4,286 | 3,151 | 1,909 | 1,176 | 1,914 | 24,513 |
Puerto Rico | 2 | 0 | 5 | 35 | 39 | 25 | 16 | 8 | 17 | 145 | 5 | 0 | 1 | 21 | 8 | 28 | 11 | 7 | 10 | 86 |
Grand Total | 1,042 | 1,389 | 3,914 | 2,699 | 1,951 | 1,237 | 587 | 297 | 302 | 12,376 | 3,540 | 1,600 | 5,604 | 4,895 | 4,294 | 3,179 | 1,920 | 1,183 | 1,924 | 24,599 |
OCTOBER 1999
SHEET 4 of 4
TABLE HM-47
STATE | INTERNATIONAL ROUGHNESS INDEX (IRI) 1/ | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
TOTAL URBAN NHS | ||||||||||
NOT REPORTED | < 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED | |
Alabama | 16 | 93 | 440 | 269 | 110 | 58 | 9 | 3 | 3 | 985 |
Alaska | 0 | 0 | 31 | 58 | 20 | 10 | 5 | 1 | 0 | 125 |
Arizona | 0 | 85 | 197 | 99 | 86 | 31 | 22 | 7 | 11 | 538 |
Arkansas | 22 | 3 | 78 | 82 | 56 | 70 | 33 | 29 | 34 | 385 |
California | 0 | 56 | 380 | 462 | 723 | 508 | 216 | 118 | 60 | 2,523 |
Colorado | 0 | 5 | 115 | 189 | 163 | 139 | 38 | 65 | 46 | 760 |
Connecticut | 1 | 1 | 147 | 168 | 118 | 81 | 50 | 22 | 21 | 608 |
Delaware | 0 | 3 | 32 | 35 | 15 | 5 | 7 | 4 | 5 | 106 |
Dist. of Columbia | 4 | 1 | 1 | 2 | 9 | 5 | 4 | 9 | 64 | 95 |
Florida | 139 | 617 | 529 | 124 | 103 | 36 | 7 | 6 | 4 | 1,426 |
Georgia | 25 | 901 | 280 | 29 | 19 | 0 | 0 | 0 | 0 | 1,229 |
Hawaii | 155 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Idaho | 8 | 24 | 58 | 24 | 30 | 20 | 8 | 4 | 5 | 173 |
Illinois | 2,316 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Indiana | 17 | 78 | 228 | 135 | 78 | 62 | 53 | 17 | 24 | 675 |
Iowa | 52 | 7 | 127 | 99 | 79 | 58 | 34 | 7 | 26 | 437 |
Kansas | 63 | 45 | 136 | 99 | 42 | 19 | 8 | 2 | 4 | 355 |
Kentucky | 0 | 59 | 261 | 129 | 61 | 68 | 16 | 12 | 8 | 614 |
Louisiana | 103 | 6 | 79 | 123 | 90 | 136 | 103 | 48 | 101 | 686 |
Maine | 29 | 8 | 75 | 32 | 14 | 13 | 5 | 4 | 6 | 157 |
Maryland | 0 | 17 | 216 | 157 | 83 | 61 | 39 | 33 | 47 | 653 |
Massachusetts | 344 | 0 | 286 | 343 | 192 | 141 | 60 | 49 | 48 | 1,119 |
Michigan | 14 | 25 | 227 | 292 | 254 | 244 | 189 | 136 | 293 | 1,660 |
Minnesota | 0 | 70 | 256 | 149 | 113 | 44 | 30 | 13 | 19 | 694 |
Mississippi | 0 | 3 | 88 | 75 | 115 | 56 | 18 | 16 | 18 | 389 |
Missouri | 23 | 1 | 91 | 240 | 251 | 181 | 87 | 66 | 49 | 966 |
Montana | 0 | 4 | 40 | 33 | 21 | 9 | 4 | 5 | 5 | 121 |
Nebraska | 12 | 6 | 35 | 29 | 49 | 34 | 46 | 21 | 58 | 278 |
Nevada | 0 | 22 | 92 | 37 | 27 | 17 | 4 | 3 | 3 | 205 |
New Hampshire | 0 | 23 | 85 | 25 | 11 | 11 | 3 | 2 | 2 | 162 |
New Jersey | 231 | 0 | 110 | 243 | 251 | 227 | 122 | 94 | 111 | 1,158 |
New Mexico | 9 | 24 | 52 | 89 | 48 | 27 | 18 | 10 | 10 | 278 |
New York | 42 | 6 | 577 | 417 | 315 | 262 | 177 | 147 | 436 | 2,337 |
North Carolina | 12 | 2 | 263 | 149 | 160 | 101 | 62 | 41 | 33 | 811 |
North Dakota | 0 | 18 | 39 | 19 | 7 | 10 | 5 | 1 | 3 | 102 |
Ohio | 0 | 262 | 734 | 313 | 172 | 84 | 40 | 24 | 32 | 1,661 |
Oklahoma | 0 | 3 | 134 | 107 | 85 | 73 | 42 | 24 | 16 | 484 |
Oregon | 0 | 0 | 21 | 103 | 121 | 102 | 51 | 41 | 108 | 547 |
Pennsylvania | 7 | 22 | 488 | 437 | 375 | 301 | 170 | 99 | 97 | 1,989 |
Rhode Island | 2 | 0 | 62 | 47 | 37 | 13 | 5 | 2 | 1 | 167 |
South Carolina | 0 | 57 | 241 | 143 | 80 | 56 | 22 | 15 | 19 | 633 |
South Dakota | 37 | 0 | 7 | 11 | 16 | 27 | 8 | 0 | 7 | 76 |
Tennessee | 768 | 12 | 109 | 35 | 20 | 13 | 4 | 3 | 4 | 200 |
Texas | 0 | 170 | 1,098 | 1,102 | 950 | 515 | 440 | 88 | 103 | 4,466 |
Utah | 0 | 61 | 125 | 89 | 51 | 33 | 19 | 7 | 6 | 391 |
Vermont | 0 | 9 | 37 | 14 | 11 | 7 | 5 | 3 | 9 | 95 |
Virginia | 0 | 2 | 239 | 395 | 281 | 139 | 61 | 70 | 59 | 1,246 |
Washington | 124 | 106 | 309 | 102 | 72 | 52 | 18 | 10 | 12 | 681 |
West Virginia | 0 | 35 | 86 | 38 | 25 | 15 | 8 | 2 | 3 | 212 |
Wisconsin | 0 | 6 | 94 | 123 | 168 | 181 | 104 | 80 | 165 | 921 |
Wyoming | 0 | 31 | 77 | 24 | 21 | 8 | 1 | 2 | 1 | 165 |
U.S. Total | 4,575 | 2,989 | 9,512 | 7,538 | 6,198 | 4,363 | 2,480 | 1,465 | 2,199 | 36,744 |
Puerto Rico | 7 | 0 | 6 | 56 | 47 | 53 | 27 | 15 | 27 | 231 |
Grand Total | 4,582 | 2,989 | 9,518 | 7,594 | 6,245 | 4,416 | 2,507 | 1,480 | 2,226 | 36,975 |
1/ Data are reported as the International Roughness Index (IRI) in inches per mile. Reference: World Bank Technical Paper Number 46, 1986. Lower IRI represents smoother riding roadways. To obtain a comprehensive assessment of pavement condition, additional measures of pavement distress are needed.