U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
January 2013
Table HM-47
Sheet 1 of 4
STATE | INTERNATIONAL ROUGHNESS INDEX (IRI) 1/ | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
INTERSTATE SYSTEM | OTHER | |||||||||||||||||||
NOT REPORTED 2/ | < 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED | NOT REPORTED 2/ | < 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED | |
Alabama | 0 | 328 | 130 | 28 | 23 | 10 | 6 | 5 | 6 | 536 | 4 | 1,029 | 768 | 136 | 59 | 26 | 11 | 5 | 5 | 2,039 |
Alaska | - | 102 | 303 | 209 | 168 | 109 | 58 | 33 | 21 | 1,004 | 283 | 30 | 139 | 113 | 110 | 97 | 67 | 43 | 109 | 709 |
Arizona | 18 | 451 | 376 | 86 | 26 | 14 | 5 | 1 | 3 | 962 | 151 | 400 | 368 | 106 | 60 | 28 | 13 | 2 | - | 977 |
Arkansas | 0 | 203 | 138 | 45 | 22 | 13 | 7 | 7 | 6 | 441 | 23 | 301 | 762 | 317 | 186 | 99 | 44 | 21 | 12 | 1,740 |
California | 166 | 207 | 391 | 213 | 138 | 66 | 36 | 23 | 38 | 1,112 | 481 | 303 | 1,346 | 513 | 296 | 167 | 68 | 44 | 15 | 2,752 |
Colorado | - | 104 | 288 | 170 | 50 | 50 | 16 | 4 | 1 | 685 | - | 246 | 841 | 474 | 189 | 77 | 22 | 9 | 4 | 1,862 |
Connecticut | - | 0 | 30 | 11 | - | 1 | - | - | - | 43 | - | 7 | 56 | 48 | 24 | 16 | 1 | 4 | 1 | 158 |
Delaware | - | - | - | - | - | - | - | - | - | - | 4 | 16 | 96 | 37 | 9 | 2 | 1 | 1 | 2 | 164 |
Dist. of Columbia | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Florida | 3 | 459 | 251 | 23 | 8 | 3 | 1 | 0 | 0 | 745 | 55 | 688 | 611 | 86 | 36 | 18 | 7 | 3 | 5 | 1,453 |
Georgia | 3 | 300 | 291 | 76 | 36 | 7 | 2 | - | 1 | 713 | 228 | 1,110 | 1,735 | 167 | 44 | 7 | 1 | 1 | 0 | 3,066 |
Hawaii | - | 0 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 6 | 5 | 4 | 22 | 19 | 17 | 12 | 7 | 6 | 13 | 101 |
Idaho | - | 434 | 68 | 14 | 4 | 2 | 0 | 0 | - | 522 | 8 | 995 | 519 | 80 | 25 | 9 | 3 | 2 | 2 | 1,634 |
Illinois | - | 538 | 587 | 138 | 20 | 72 | - | - | 0 | 1,356 | 5 | 203 | 767 | 356 | 155 | 93 | 35 | 25 | 20 | 1,654 |
Indiana | 93 | 291 | 182 | 56 | 34 | 24 | 10 | 9 | 13 | 619 | 1 | 504 | 461 | 133 | 49 | 26 | 13 | 10 | 25 | 1,220 |
Iowa | 21 | 166 | 309 | 102 | 27 | 2 | - | - | - | 608 | 136 | 287 | 644 | 448 | 265 | 168 | 58 | 17 | 7 | 1,893 |
Kansas | - | 310 | 243 | 71 | 20 | 11 | - | - | - | 656 | 37 | 780 | 1,391 | 268 | 73 | 25 | 7 | 2 | - | 2,546 |
Kentucky | 71 | 302 | 162 | 32 | 13 | 7 | 4 | 3 | 2 | 525 | 101 | 669 | 621 | 178 | 74 | 31 | 15 | 7 | 7 | 1,601 |
Louisiana | - | 133 | 156 | 134 | 62 | 48 | 0 | 1 | - | 533 | 2 | 38 | 557 | 220 | 110 | 84 | 38 | 27 | 12 | 1,086 |
Maine | - | 143 | 105 | 32 | 16 | 3 | - | 0 | - | 299 | 0 | 43 | 379 | 210 | 78 | 59 | 17 | 7 | 1 | 794 |
Maryland | 1 | 78 | 83 | 11 | 5 | 3 | 1 | 1 | 1 | 183 | 4 | 185 | 183 | 46 | 21 | 10 | 6 | 4 | 4 | 459 |
Massachusetts | 1 | 29 | 44 | 9 | 4 | 2 | 1 | 1 | 1 | 90 | 23 | 18 | 39 | 40 | 28 | 11 | 4 | 1 | 2 | 143 |
Michigan | - | 212 | 250 | 66 | 35 | 25 | 11 | 6 | 4 | 609 | 0 | 1,064 | 676 | 197 | 97 | 52 | 21 | 13 | 21 | 2,141 |
Minnesota | - | 133 | 289 | 107 | 52 | 26 | 11 | 8 | 3 | 630 | 21 | 509 | 942 | 413 | 257 | 172 | 98 | 58 | 54 | 2,503 |
Mississippi | - | 176 | 226 | 62 | 15 | 13 | 10 | - | - | 502 | 1 | 343 | 972 | 208 | 99 | 61 | 14 | 21 | 3 | 1,721 |
Missouri | 0 | 370 | 305 | 31 | 8 | 4 | 3 | 1 | 1 | 724 | 3 | 925 | 1,081 | 244 | 102 | 42 | 19 | 7 | 5 | 2,426 |
Montana | - | 328 | 597 | 113 | 56 | 20 | 6 | 3 | 5 | 1,129 | - | 603 | 1,367 | 331 | 155 | 80 | 34 | 19 | 27 | 2,617 |
Nebraska | - | 190 | 185 | 30 | 13 | - | - | - | - | 418 | - | 673 | 855 | 370 | 177 | 106 | 51 | 60 | 17 | 2,309 |
Nevada | 415 | 0 | 26 | 8 | - | - | - | - | - | 34 | 999 | 152 | 275 | 4 | 1 | - | - | - | - | 432 |
New Hampshire | - | 108 | 23 | 8 | 5 | 2 | 4 | - | - | 149 | - | 76 | 206 | 60 | 35 | 16 | 6 | 8 | 0 | 407 |
New Jersey | - | 26 | 30 | 5 | 1 | 1 | 1 | 1 | 1 | 65 | 0 | 22 | 74 | 55 | 45 | 28 | 16 | 10 | 9 | 259 |
New Mexico | - | 437 | 348 | 36 | 15 | 11 | 0 | 1 | - | 848 | - | 670 | 757 | 147 | 106 | 27 | 11 | 2 | 1 | 1,720 |
New York | - | 226 | 475 | 71 | 35 | 17 | 6 | 9 | 9 | 847 | 2 | 105 | 787 | 369 | 137 | 53 | 14 | 10 | 15 | 1,489 |
North Carolina | 19 | 275 | 176 | 36 | 18 | 9 | 4 | 2 | 2 | 522 | 39 | 367 | 994 | 296 | 132 | 61 | 26 | 15 | 17 | 1,908 |
North Dakota | - | 222 | 275 | 22 | - | - | - | - | - | 519 | - | 596 | 1,111 | 231 | 89 | 51 | 11 | - | 0 | 2,090 |
Ohio | - | 226 | 387 | 81 | 21 | 6 | 1 | 1 | 0 | 723 | - | 338 | 880 | 297 | 75 | 37 | 19 | 3 | 4 | 1,652 |
Oklahoma | - | 239 | 312 | 91 | 17 | 17 | 6 | 1 | 0 | 684 | - | 281 | 922 | 459 | 208 | 95 | 60 | 46 | 27 | 2,099 |
Oregon | - | 125 | 267 | 150 | 8 | 4 | 0 | - | - | 553 | 0 | 367 | 1,485 | 411 | 223 | 106 | 13 | 8 | 6 | 2,619 |
Pennsylvania | 3 | 412 | 492 | 137 | 53 | 9 | 1 | 1 | 2 | 1,106 | 13 | 328 | 836 | 332 | 157 | 65 | 20 | 10 | 7 | 1,755 |
Rhode Island | - | 13 | 9 | - | - | - | - | - | - | 21 | 0 | - | - | 4 | 10 | 9 | 3 | 8 | 14 | 47 |
South Carolina | - | 185 | 320 | 59 | 15 | 2 | - | - | 0 | 581 | - | 114 | 640 | 229 | 106 | 20 | 1 | 2 | 2 | 1,113 |
South Dakota | 68 | 87 | 354 | 73 | 9 | 11 | - | 0 | 0 | 535 | 121 | 364 | 1,180 | 295 | 162 | 42 | 18 | 4 | 0 | 2,065 |
Tennessee | 1 | 591 | 70 | 14 | 6 | 3 | 2 | 0 | 0 | 686 | 15 | 723 | 589 | 134 | 57 | 25 | 11 | 6 | 3 | 1,548 |
Texas | 10 | 612 | 1,071 | 269 | 59 | 19 | 6 | 2 | 2 | 2,039 | 76 | 968 | 2,738 | 1,511 | 653 | 206 | 66 | 16 | 10 | 6,169 |
Utah | - | 222 | 344 | 93 | 40 | 20 | 4 | - | 1 | 724 | 1 | 33 | 419 | 268 | 123 | 67 | 28 | 11 | 4 | 952 |
Vermont | 1 | 174 | 86 | 11 | 4 | 2 | 1 | 0 | 0 | 279 | 0 | 46 | 162 | 49 | 25 | 15 | 8 | 6 | 10 | 320 |
Virginia | - | 142 | 424 | 58 | 29 | 4 | 0 | - | - | 656 | 2 | 107 | 792 | 236 | 81 | 9 | 18 | 1 | 0 | 1,244 |
Washington | - | 142 | 182 | 67 | 29 | 15 | 13 | 11 | 8 | 467 | - | 271 | 1,057 | 426 | 130 | 61 | 41 | 27 | 11 | 2,024 |
West Virginia | - | 55 | 250 | 25 | 20 | 10 | - | 7 | 1 | 368 | 16 | 46 | 522 | 222 | 165 | 51 | 21 | 8 | 12 | 1,047 |
Wisconsin | - | 105 | 196 | 86 | 56 | 26 | 6 | 2 | 1 | 478 | - | 439 | 875 | 558 | 336 | 152 | 66 | 25 | 31 | 2,483 |
Wyoming | 0 | 259 | 391 | 123 | 34 | 6 | - | - | - | 812 | 30 | 151 | 1,012 | 522 | 157 | 51 | 7 | 3 | 12 | 1,915 |
U.S. Total | 895 | 10,871 | 12,498 | 3,399 | 1,328 | 728 | 244 | 143 | 137 | 29,347 | 2,889 | 18,536 | 36,510 | 12,874 | 6,008 | 2,825 | 1,157 | 647 | 570 | 79,126 |
Puerto Rico 3/ | - | - | 1 | 10 | 4 | 11 | 5 | 4 | 7 | 42 | - | - | 1 | 3 | 13 | 2 | - | - | - | 19 |
Grand Total | 895 | 10,871 | 12,499 | 3,409 | 1,332 | 739 | 249 | 147 | 144 | 29,389 | 2,889 | 18,536 | 36,511 | 12,877 | 6,021 | 2,827 | 1,157 | 647 | 570 | 79,145 |
January 2013
Table HM-47
Sheet 2 of 4
STATE | INTERNATIONAL ROUGHNESS INDEX (IRI) 1/ | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
TOTAL RURAL NHS | ||||||||||
NOT REPORTED 2/ | < 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED | |
Alabama | 5 | 1,357 | 899 | 164 | 82 | 36 | 17 | 10 | 11 | 2,576 |
Alaska | 283 | 132 | 442 | 323 | 278 | 206 | 125 | 76 | 130 | 1,712 |
Arizona | 170 | 850 | 744 | 191 | 86 | 42 | 19 | 3 | 3 | 1,939 |
Arkansas | 23 | 504 | 899 | 362 | 208 | 112 | 50 | 27 | 18 | 2,181 |
California | 647 | 510 | 1,737 | 726 | 433 | 232 | 105 | 68 | 53 | 3,864 |
Colorado | - | 350 | 1,129 | 644 | 240 | 127 | 38 | 13 | 5 | 2,547 |
Connecticut | - | 8 | 86 | 60 | 24 | 18 | 1 | 4 | 1 | 201 |
Delaware | 4 | 16 | 96 | 37 | 9 | 2 | 1 | 1 | 2 | 164 |
Dist. of Columbia | - | - | - | - | - | - | - | - | - | - |
Florida | 58 | 1,147 | 861 | 109 | 44 | 21 | 8 | 3 | 6 | 2,199 |
Georgia | 231 | 1,410 | 2,026 | 243 | 80 | 14 | 3 | 1 | 1 | 3,779 |
Hawaii | 5 | 5 | 24 | 21 | 18 | 13 | 8 | 6 | 13 | 107 |
Idaho | 8 | 1,429 | 587 | 94 | 29 | 11 | 3 | 2 | 2 | 2,156 |
Illinois | 5 | 741 | 1,354 | 494 | 176 | 165 | 35 | 25 | 21 | 3,010 |
Indiana | 94 | 795 | 643 | 189 | 82 | 49 | 23 | 19 | 38 | 1,839 |
Iowa | 156 | 453 | 953 | 551 | 292 | 171 | 58 | 17 | 7 | 2,501 |
Kansas | 37 | 1,090 | 1,634 | 340 | 93 | 36 | 7 | 2 | - | 3,202 |
Kentucky | 173 | 972 | 783 | 209 | 88 | 39 | 19 | 9 | 9 | 2,127 |
Louisiana | 2 | 171 | 713 | 354 | 172 | 131 | 38 | 28 | 12 | 1,619 |
Maine | 0 | 186 | 484 | 242 | 93 | 62 | 17 | 7 | 1 | 1,093 |
Maryland | 5 | 263 | 267 | 57 | 26 | 13 | 7 | 4 | 6 | 642 |
Massachusetts | 24 | 46 | 82 | 50 | 32 | 13 | 5 | 2 | 3 | 234 |
Michigan | 0 | 1,275 | 926 | 263 | 132 | 77 | 32 | 19 | 25 | 2,750 |
Minnesota | 21 | 642 | 1,231 | 520 | 309 | 198 | 109 | 66 | 57 | 3,133 |
Mississippi | 1 | 519 | 1,198 | 270 | 114 | 74 | 24 | 21 | 3 | 2,223 |
Missouri | 3 | 1,296 | 1,386 | 276 | 110 | 46 | 22 | 8 | 6 | 3,150 |
Montana | - | 932 | 1,964 | 445 | 211 | 100 | 40 | 22 | 32 | 3,747 |
Nebraska | - | 863 | 1,040 | 400 | 190 | 106 | 51 | 60 | 17 | 2,726 |
Nevada | 1,414 | 152 | 301 | 11 | 1 | - | - | - | - | 466 |
New Hampshire | - | 184 | 228 | 69 | 39 | 18 | 10 | 8 | 0 | 556 |
New Jersey | 0 | 48 | 104 | 60 | 46 | 29 | 17 | 11 | 10 | 324 |
New Mexico | - | 1,107 | 1,105 | 182 | 120 | 38 | 11 | 3 | 1 | 2,568 |
New York | 2 | 330 | 1,262 | 440 | 172 | 70 | 20 | 19 | 24 | 2,336 |
North Carolina | 58 | 642 | 1,170 | 332 | 151 | 70 | 30 | 16 | 20 | 2,430 |
North Dakota | - | 818 | 1,386 | 254 | 89 | 51 | 11 | - | 0 | 2,610 |
Ohio | - | 563 | 1,267 | 378 | 96 | 43 | 20 | 4 | 4 | 2,375 |
Oklahoma | - | 520 | 1,234 | 550 | 225 | 113 | 66 | 47 | 27 | 2,782 |
Oregon | 0 | 492 | 1,751 | 561 | 231 | 109 | 13 | 8 | 6 | 3,172 |
Pennsylvania | 16 | 740 | 1,328 | 469 | 210 | 74 | 21 | 11 | 9 | 2,861 |
Rhode Island | 0 | 13 | 9 | 4 | 10 | 9 | 3 | 8 | 14 | 68 |
South Carolina | - | 299 | 960 | 288 | 120 | 21 | 1 | 2 | 2 | 1,694 |
South Dakota | 189 | 451 | 1,533 | 368 | 171 | 54 | 18 | 5 | 0 | 2,599 |
Tennessee | 16 | 1,313 | 659 | 148 | 63 | 28 | 13 | 7 | 3 | 2,234 |
Texas | 86 | 1,580 | 3,809 | 1,780 | 712 | 225 | 72 | 18 | 13 | 8,208 |
Utah | 1 | 255 | 762 | 361 | 163 | 86 | 32 | 11 | 5 | 1,676 |
Vermont | 1 | 220 | 248 | 60 | 29 | 17 | 9 | 6 | 11 | 599 |
Virginia | 2 | 248 | 1,217 | 294 | 110 | 13 | 18 | 1 | 0 | 1,901 |
Washington | - | 413 | 1,239 | 493 | 159 | 77 | 54 | 37 | 19 | 2,491 |
West Virginia | 16 | 101 | 772 | 247 | 186 | 61 | 21 | 15 | 13 | 1,415 |
Wisconsin | - | 544 | 1,071 | 645 | 392 | 178 | 72 | 27 | 32 | 2,960 |
Wyoming | 30 | 410 | 1,403 | 645 | 191 | 56 | 7 | 3 | 12 | 2,727 |
U.S. Total | 3,784 | 29,406 | 49,008 | 16,272 | 7,337 | 3,553 | 1,401 | 790 | 707 | 108,473 |
Puerto Rico 3/ | - | - | 3 | 13 | 17 | 13 | 5 | 4 | 7 | 61 |
Grand Total | 3,784 | 29,406 | 49,010 | 16,285 | 7,353 | 3,566 | 1,406 | 793 | 714 | 108,534 |
January 2013
Table HM-47
Sheet 3 of 4
STATE | INTERNATIONAL ROUGHNESS INDEX (IRI) 1/ | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
INTERSTATE SYSTEM | OTHER | |||||||||||||||||||
NOT REPORTED 2/ | < 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED | NOT REPORTED 2/ | < 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED | |
Alabama | 0 | 157 | 101 | 37 | 30 | 17 | 10 | 8 | 7 | 368 | 14 | 295 | 256 | 71 | 39 | 22 | 8 | 7 | 8 | 707 |
Alaska | - | 21 | 30 | 15 | 8 | 2 | 1 | - | 1 | 78 | 1 | 2 | 15 | 10 | 23 | 6 | 5 | 2 | 5 | 69 |
Arizona | 72 | 51 | 48 | 10 | 3 | 1 | 1 | 1 | 1 | 116 | 289 | 21 | 47 | 18 | 18 | 28 | 32 | 14 | 16 | 195 |
Arkansas | 0 | 52 | 64 | 32 | 23 | 18 | 11 | 8 | 6 | 214 | 29 | 27 | 97 | 52 | 29 | 25 | 18 | 13 | 12 | 272 |
California | 197 | 57 | 311 | 197 | 131 | 102 | 74 | 50 | 50 | 970 | 185 | 72 | 419 | 296 | 198 | 127 | 79 | 46 | 48 | 1,285 |
Colorado | - | 40 | 121 | 52 | 36 | 11 | 7 | 1 | - | 268 | - | 35 | 206 | 131 | 167 | 83 | 57 | 29 | 44 | 753 |
Connecticut | - | 40 | 164 | 48 | 29 | 13 | 3 | 3 | 3 | 303 | - | 21 | 125 | 92 | 88 | 62 | 28 | 20 | 24 | 459 |
Delaware | - | 2 | 18 | 12 | 4 | 3 | 1 | 2 | 0 | 41 | 2 | 9 | 50 | 30 | 13 | 10 | 4 | 3 | 7 | 126 |
Dist. of Columbia | 5 | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 8 | 1 | - | 0 | 2 | 2 | 3 | 6 | 5 | 49 | 67 |
Florida | 29 | 321 | 294 | 54 | 25 | 12 | 6 | 3 | 3 | 718 | 53 | 392 | 603 | 140 | 67 | 39 | 19 | 13 | 27 | 1,301 |
Georgia | 104 | 199 | 167 | 44 | 17 | 2 | - | - | - | 427 | 81 | 304 | 510 | 153 | 42 | 15 | 7 | 3 | 2 | 1,037 |
Hawaii | 0 | 4 | 10 | 6 | 6 | 6 | 5 | 4 | 7 | 48 | 12 | 31 | 42 | 28 | 24 | 17 | 11 | 8 | 20 | 181 |
Idaho | - | 68 | 19 | 3 | 0 | 0 | 0 | - | - | 90 | 13 | 35 | 25 | 12 | 8 | 4 | 1 | 1 | 1 | 88 |
Illinois | - | 136 | 289 | 101 | 47 | 236 | 7 | - | 9 | 826 | 100 | 56 | 393 | 308 | 306 | 252 | 158 | 105 | 216 | 1,794 |
Indiana | 64 | 126 | 132 | 53 | 29 | 24 | 13 | 10 | 9 | 396 | 6 | 116 | 157 | 71 | 50 | 34 | 21 | 20 | 34 | 504 |
Iowa | 5 | 13 | 73 | 27 | 19 | 12 | 3 | 3 | - | 149 | 43 | 9 | 68 | 102 | 84 | 24 | 29 | 19 | 21 | 356 |
Kansas | - | 49 | 72 | 52 | 35 | 9 | 1 | - | - | 218 | 5 | 35 | 196 | 43 | 21 | 10 | 8 | 2 | 4 | 320 |
Kentucky | 32 | 70 | 68 | 17 | 6 | 5 | 2 | 1 | 2 | 172 | 50 | 77 | 118 | 50 | 29 | 19 | 10 | 6 | 13 | 323 |
Louisiana | - | 34 | 88 | 107 | 46 | 59 | 22 | 8 | 2 | 365 | 48 | 18 | 147 | 120 | 85 | 74 | 71 | 47 | 58 | 620 |
Maine | - | 18 | 33 | 17 | 1 | - | 0 | 0 | - | 69 | - | 5 | 31 | 24 | 31 | 18 | 8 | 9 | 8 | 133 |
Maryland | 2 | 96 | 117 | 28 | 16 | 11 | 9 | 6 | 12 | 295 | 51 | 97 | 158 | 61 | 46 | 35 | 26 | 16 | 51 | 491 |
Massachusetts | 15 | 205 | 172 | 35 | 16 | 11 | 9 | 7 | 13 | 467 | 234 | 91 | 189 | 127 | 130 | 117 | 87 | 70 | 179 | 990 |
Michigan | - | 142 | 263 | 100 | 55 | 33 | 21 | 12 | 10 | 635 | 1 | 151 | 332 | 227 | 154 | 111 | 83 | 121 | 192 | 1,371 |
Minnesota | 3 | 32 | 118 | 49 | 36 | 27 | 14 | 3 | 3 | 281 | 21 | 54 | 212 | 100 | 82 | 39 | 19 | 15 | 10 | 532 |
Mississippi | - | 33 | 100 | 40 | 17 | 11 | 1 | - | - | 201 | 0 | 59 | 184 | 83 | 37 | 22 | 18 | 11 | 11 | 424 |
Missouri | 0 | 207 | 196 | 37 | 17 | 11 | 5 | 5 | 6 | 482 | 15 | 203 | 327 | 112 | 58 | 28 | 18 | 10 | 12 | 770 |
Montana | - | 21 | 34 | 2 | 4 | 1 | 0 | 0 | 0 | 63 | - | 6 | 21 | 17 | 8 | 4 | 5 | 2 | 8 | 70 |
Nebraska | - | 6 | 31 | 15 | 8 | 3 | 0 | - | - | 64 | 8 | 12 | 40 | 13 | 20 | 70 | 38 | 34 | 42 | 269 |
Nevada | 100 | 7 | 12 | 1 | - | 0 | - | - | - | 21 | 119 | 25 | 13 | 4 | 2 | 0 | - | 0 | - | 44 |
New Hampshire | - | 41 | 31 | 4 | 0 | - | - | - | - | 76 | 1 | 40 | 68 | 22 | 12 | 5 | 5 | 3 | 3 | 159 |
New Jersey | 9 | 106 | 113 | 49 | 30 | 18 | 13 | 11 | 18 | 357 | 9 | 83 | 326 | 258 | 189 | 148 | 101 | 80 | 194 | 1,380 |
New Mexico | - | 62 | 64 | 13 | 10 | 2 | - | 1 | 0 | 152 | 5 | 41 | 68 | 35 | 30 | 17 | 7 | 4 | 8 | 210 |
New York | 2 | 80 | 436 | 142 | 59 | 49 | 22 | 26 | 41 | 855 | 26 | 50 | 488 | 398 | 310 | 188 | 140 | 89 | 299 | 1,963 |
North Carolina | 18 | 241 | 243 | 69 | 33 | 16 | 8 | 2 | 2 | 614 | 33 | 175 | 422 | 156 | 85 | 43 | 20 | 11 | 20 | 932 |
North Dakota | - | 18 | 33 | 1 | - | - | - | - | - | 52 | - | 5 | 22 | 17 | 12 | 9 | 3 | - | 0 | 69 |
Ohio | - | 178 | 426 | 141 | 59 | 26 | 9 | 9 | 3 | 850 | 1 | 76 | 498 | 228 | 170 | 102 | 51 | 36 | 69 | 1,231 |
Oklahoma | - | 47 | 105 | 40 | 25 | 8 | 8 | 5 | 10 | 249 | - | 26 | 158 | 64 | 40 | 31 | 17 | 16 | 17 | 367 |
Oregon | - | 13 | 120 | 30 | 4 | 8 | 1 | - | 0 | 176 | 3 | 27 | 117 | 103 | 62 | 43 | 17 | 14 | 18 | 400 |
Pennsylvania | 14 | 161 | 317 | 144 | 54 | 24 | 11 | 4 | 1 | 716 | 73 | 142 | 541 | 405 | 281 | 196 | 105 | 68 | 99 | 1,837 |
Rhode Island | - | 7 | 31 | 9 | 1 | 2 | 0 | 0 | - | 50 | 1 | 4 | 26 | 31 | 24 | 16 | 13 | 12 | 15 | 141 |
South Carolina | - | 94 | 113 | 30 | 21 | 7 | 4 | 1 | 1 | 270 | - | 62 | 227 | 184 | 109 | 48 | 16 | 9 | 9 | 664 |
South Dakota | 7 | - | 42 | 13 | 5 | 6 | 1 | 1 | - | 69 | 6 | 1 | 15 | 17 | 14 | 10 | 5 | 3 | 1 | 66 |
Tennessee | 1 | 273 | 91 | 24 | 11 | 6 | 3 | 2 | 6 | 416 | 18 | 271 | 243 | 92 | 56 | 38 | 21 | 13 | 22 | 757 |
Texas | 20 | 154 | 484 | 261 | 144 | 76 | 29 | 13 | 6 | 1,167 | 167 | 218 | 1,095 | 869 | 647 | 435 | 235 | 217 | 245 | 3,961 |
Utah | - | 65 | 74 | 42 | 23 | 6 | 2 | 0 | - | 213 | 20 | 31 | 120 | 57 | 31 | 28 | 10 | 4 | 3 | 285 |
Vermont | - | 28 | 9 | 1 | 0 | 1 | 0 | 0 | 1 | 40 | 2 | 2 | 17 | 8 | 6 | 5 | 4 | 3 | 9 | 54 |
Virginia | 2 | 43 | 219 | 118 | 42 | 27 | 3 | 6 | 2 | 460 | 49 | 29 | 371 | 228 | 150 | 109 | 57 | 38 | 34 | 1,016 |
Washington | 0 | 49 | 149 | 44 | 21 | 14 | 11 | 4 | 4 | 297 | 2 | 64 | 202 | 108 | 66 | 40 | 35 | 22 | 81 | 619 |
West Virginia | - | 29 | 125 | 19 | 6 | 4 | 3 | - | 0 | 187 | - | 13 | 97 | 44 | 32 | 16 | 7 | 7 | 8 | 223 |
Wisconsin | - | 37 | 94 | 78 | 34 | 12 | 6 | 3 | - | 265 | - | 25 | 171 | 197 | 191 | 143 | 106 | 76 | 96 | 1,004 |
Wyoming | 1 | 11 | 50 | 28 | 6 | 2 | 4 | 0 | - | 100 | 3 | 4 | 26 | 25 | 13 | 7 | 0 | 0 | 4 | 79 |
U.S. Total | 703 | 3,947 | 6,514 | 2,490 | 1,253 | 951 | 365 | 227 | 239 | 15,986 | 1,801 | 3,651 | 10,302 | 6,046 | 4,389 | 2,974 | 1,850 | 1,378 | 2,376 | 32,966 |
Puerto Rico 3/ | 2 | - | 30 | 74 | 47 | 44 | 28 | 8 | 6 | 238 | 2 | - | 2 | 7 | 11 | 33 | 21 | 11 | 25 | 109 |
Grand Total | 705 | 3,947 | 6,544 | 2,564 | 1,301 | 995 | 394 | 234 | 245 | 16,224 | 1,803 | 3,651 | 10,304 | 6,053 | 4,400 | 3,007 | 1,871 | 1,389 | 2,401 | 33,075 |
January 2013
Table HM-47
Sheet 4 of 4
STATE | INTERNATIONAL ROUGHNESS INDEX (IRI) 1/ | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
TOTAL URBAN NHS | ||||||||||
NOT REPORTED 2/ | < 60 | 60-94 | 95-119 | 120-144 | 145-170 | 171-194 | 195-220 | > 220 | TOTAL REPORTED | |
Alabama | 14 | 452 | 358 | 109 | 69 | 39 | 19 | 14 | 15 | 1,075 |
Alaska | 1 | 24 | 44 | 25 | 32 | 9 | 6 | 2 | 6 | 148 |
Arizona | 361 | 73 | 95 | 28 | 21 | 29 | 33 | 15 | 17 | 311 |
Arkansas | 30 | 79 | 161 | 83 | 52 | 43 | 28 | 21 | 19 | 486 |
California | 382 | 129 | 730 | 492 | 330 | 229 | 153 | 96 | 97 | 2,255 |
Colorado | - | 75 | 328 | 183 | 203 | 94 | 64 | 30 | 44 | 1,021 |
Connecticut | - | 61 | 289 | 140 | 117 | 75 | 31 | 23 | 27 | 762 |
Delaware | 2 | 11 | 68 | 41 | 16 | 13 | 5 | 5 | 7 | 167 |
Dist. of Columbia | 6 | - | 0 | 3 | 3 | 4 | 7 | 7 | 50 | 75 |
Florida | 82 | 713 | 896 | 194 | 92 | 51 | 26 | 17 | 30 | 2,018 |
Georgia | 185 | 503 | 677 | 197 | 59 | 17 | 7 | 3 | 2 | 1,464 |
Hawaii | 13 | 35 | 52 | 35 | 30 | 23 | 16 | 12 | 27 | 229 |
Idaho | 13 | 103 | 43 | 14 | 8 | 4 | 2 | 1 | 1 | 178 |
Illinois | 100 | 192 | 683 | 409 | 353 | 488 | 165 | 105 | 225 | 2,620 |
Indiana | 70 | 242 | 290 | 124 | 79 | 57 | 34 | 30 | 43 | 899 |
Iowa | 48 | 22 | 141 | 129 | 104 | 35 | 32 | 21 | 21 | 505 |
Kansas | 5 | 84 | 268 | 95 | 56 | 19 | 9 | 2 | 4 | 538 |
Kentucky | 82 | 147 | 186 | 67 | 35 | 24 | 13 | 7 | 15 | 495 |
Louisiana | 48 | 52 | 234 | 227 | 131 | 133 | 93 | 55 | 60 | 985 |
Maine | - | 23 | 64 | 41 | 31 | 18 | 9 | 9 | 8 | 202 |
Maryland | 53 | 193 | 275 | 89 | 62 | 46 | 35 | 23 | 63 | 786 |
Massachusetts | 249 | 296 | 361 | 162 | 146 | 128 | 95 | 77 | 192 | 1,457 |
Michigan | 1 | 294 | 595 | 327 | 209 | 143 | 104 | 132 | 202 | 2,006 |
Minnesota | 23 | 86 | 329 | 149 | 118 | 66 | 34 | 19 | 13 | 813 |
Mississippi | 0 | 91 | 284 | 122 | 53 | 32 | 19 | 11 | 11 | 625 |
Missouri | 15 | 410 | 523 | 149 | 75 | 39 | 23 | 15 | 18 | 1,253 |
Montana | - | 27 | 55 | 19 | 12 | 5 | 5 | 2 | 8 | 133 |
Nebraska | 8 | 18 | 71 | 28 | 29 | 73 | 38 | 34 | 42 | 333 |
Nevada | 219 | 33 | 26 | 5 | 2 | 1 | - | 0 | - | 65 |
New Hampshire | 1 | 81 | 99 | 26 | 12 | 5 | 5 | 3 | 3 | 234 |
New Jersey | 18 | 189 | 439 | 307 | 219 | 166 | 114 | 91 | 212 | 1,737 |
New Mexico | 5 | 103 | 133 | 48 | 39 | 19 | 7 | 5 | 8 | 362 |
New York | 28 | 130 | 924 | 541 | 369 | 237 | 162 | 115 | 340 | 2,818 |
North Carolina | 51 | 416 | 666 | 225 | 118 | 58 | 28 | 14 | 21 | 1,546 |
North Dakota | - | 23 | 55 | 19 | 12 | 9 | 3 | - | 0 | 121 |
Ohio | 1 | 254 | 924 | 369 | 229 | 128 | 60 | 45 | 73 | 2,081 |
Oklahoma | - | 73 | 263 | 104 | 66 | 39 | 24 | 21 | 27 | 617 |
Oregon | 3 | 41 | 236 | 133 | 66 | 51 | 19 | 14 | 18 | 577 |
Pennsylvania | 87 | 303 | 858 | 549 | 334 | 219 | 116 | 72 | 100 | 2,553 |
Rhode Island | 1 | 11 | 58 | 40 | 25 | 17 | 13 | 12 | 15 | 191 |
South Carolina | - | 156 | 341 | 213 | 129 | 55 | 20 | 10 | 10 | 934 |
South Dakota | 14 | 1 | 58 | 30 | 20 | 16 | 6 | 4 | 1 | 135 |
Tennessee | 19 | 544 | 333 | 116 | 67 | 44 | 24 | 16 | 28 | 1,173 |
Texas | 188 | 373 | 1,579 | 1,131 | 791 | 511 | 264 | 230 | 251 | 5,129 |
Utah | 20 | 96 | 194 | 100 | 53 | 34 | 12 | 5 | 3 | 498 |
Vermont | 2 | 30 | 27 | 9 | 6 | 5 | 4 | 3 | 9 | 94 |
Virginia | 51 | 72 | 590 | 345 | 193 | 136 | 60 | 44 | 37 | 1,476 |
Washington | 2 | 113 | 351 | 152 | 88 | 54 | 46 | 27 | 84 | 916 |
West Virginia | - | 43 | 222 | 63 | 37 | 20 | 10 | 7 | 8 | 410 |
Wisconsin | - | 62 | 266 | 276 | 225 | 155 | 111 | 79 | 96 | 1,269 |
Wyoming | 4 | 15 | 76 | 53 | 19 | 8 | 4 | 0 | 4 | 180 |
U.S. Total | 2,504 | 7,598 | 16,816 | 8,536 | 5,642 | 3,925 | 2,216 | 1,604 | 2,615 | 48,953 |
Puerto Rico 3/ | 4 | - | 32 | 82 | 58 | 77 | 49 | 19 | 31 | 347 |
Grand Total | 2,507 | 7,598 | 16,848 | 8,618 | 5,700 | 4,002 | 2,265 | 1,623 | 2,646 | 49,300 |
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.
2/ May include sections entirely on structures and unpaved miles.
3/ 2009 data.