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Hydraulics Engineering

 

ACTION: Compliance with the National Bridge Inspection Standards -- Scour Evaluations

Attachment

State Bridges Over Waterways Scour Screening Scour Evaluations
Low Risk Scour Susceptible Unknown Foundations Tidal Scour Critical Total Screened % Total Evaluated Evaluation Candidates %
Culverts Screened Assessed Total
AK 810 34 0 372 406 0 201 53 150 810 100 556 53 91
AL 14114 5618 0 2405 8023 3241 2658 1 191 14114 100 8214 3242 72
AR 11623 2304 0 3518 5822 0 5548 0 253 11623 100 6075 0 100
AZ 5561 3482 40 956 4478 71 172 0 840 5561 100 5278 111 98
CA 15386 2910 2507 5536 10953 412 3661 29 324 15379 100 8770 2955 75
CO 6793 1339 0 4987 6326 12 38 0 417 6793 100 6743 12 100
CT 2365 576 0 1272 1848 39 67 0 411 2365 100 2259 39 98
DC 94 0 0 93 93 0 0 0 1 94 100 94 0 100
DE 576 181 0 270 451 0 0 0 125 576 100 576 0 100
FL 8340 1702 576 3018 5296 121 2574 99 250 8340 100 4970 796 86
GA 12119 5381 1625 754 7760 0 4283 0 76 12119 100 6211 1625 79
HI 860 130 50 566 746 24 11 2 64 847 98 760 89 90
IA 23482 3218 705 14805 18728 95 3878 0 781 23482 100 18804 800 96
ID 3209 1073 0 1284 2357 0 587 0 265 3209 100 2622 0 100
IL 21641 3914 160 15633 19707 3 1272 0 614 21596 100 20161 208 99
IN 15903 1001 0 12703 13704 56 444 0 1699 15903 100 15403 56 100
KS 23803 6100 57 15685 21842 1432 93 0 441 23808 100 22226 1484 94
KY 11225 2641 0 8110 10751 11 424 0 39 11225 100 10790 11 100
LA 9891 0 0 3573 3573 0 5473 0 845 9891 100 4418 0 100
MA 2464 282 0 706 988 215 395 1 865 2464 100 1853 216 90
MD 3163 1017 0 992 2009 0 560 0 594 3163 100 2603 0 100
ME 1867 272 0 1039 1311 18 191 112 235 1867 100 1546 130 92
MI 7575 1111 0 2700 3811 2375 709 0 680 7575 100 4491 2375 65
MN 11331 4460 31 5474 9965 377 509 0 480 11331 100 10414 408 96
MO 20912 4026 0 16435 20461 308 18 0 101 20888 100 20562 332 98
MS 14790 2269 0 3137 5406 14 8608 0 762 14790 100 6168 14 100
MT 3578 154 304 1289 1747 34 1746 0 51 3578 100 1494 338 82
NC 14180 4549 67 3296 7912 14 6092 81 81 14180 100 7926 162 98
ND 4129 793 21 1130 1944 4 2097 0 84 4129 100 2007 25 99
NE 14808 2827 11 2658 5496 1229 7615 0 441 14781 100 5926 1267 82
NH 1755 163 80 1388 1631 30 50 0 44 1755 100 1595 110 94
NJ 3551 316 0 2428 2744 49 344 40 367 3544 100 3111 96 97
NM 3001 1563 172 671 2406 73 498 0 24 3001 100 2258 245 90
NV 889 555 31 114 700 33 53 0 102 888 100 771 65 92
NY 12090 1589 0 9520 11109 61 62 192 666 12090 100 11775 253 98
OH 23326 1338 0 16283 17621 5273 241 0 191 23326 100 17812 5273 77
OK 20835 5981 8 14345 20334 0 0 0 501 20835 100 20827 8 100
OR 5495 266 0 1824 2090 16 1877 67 1442 5492 100 3532 86 98
PA 17328 1680 886 7315 9881 1442 461 0 5544 17328 100 14539 2328 86
PR 1605 244 63 758 1065 26 372 33 109 1605 100 1111 122 90
RI 337 30 0 176 206 0 0 0 131 337 100 337 0 100
SC 7784 1054 0 1170 2224 0 3704 155 1701 7784 100 3925 155 96
SD 5373 1000 0 1653 2653 136 2584 0 0 5373 100 2653 136 95
TN 16520 7816 0 6022 13838 391 1236 0 1055 16520 100 14893 391 97
TX 40772 16919 0 12654 29573 913 9581 55 650 40772 100 30223 968 97
UT 1682 435 0 527 962 101 447 0 172 1682 100 1134 101 92
VA 9818 2747 0 7014 9761 2 0 0 55 9818 100 9816 2 100
VT 2304 68 0 1348 1416 373 246 0 298 2333 101 1714 344 83
WA 5133 147 0 3627 3774 41 295 0 965 5075 99 4739 99 98
WI 10689 1682 0 6722 8404 215 2002 0 68 10689 100 8472 215 98
WV 5742 350 4 3404 3758 25 1735 0 225 5743 100 3979 28 99
WY 1925 402 9 1063 1474 28 421 0 2 1925 100 1467 37 98
Nationwide 484546 109709 7407 234422 351538 19333 86133 920 26472 484396   370603 27810  
Percent   22.6% 1.5% 48.4% 72.5% 4.0% 17.8% 0.2% 5.5% 100.0%   93.0% 7.0%  
Updated: 06/06/2014

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